Which function generates the table of values at the right?


(F) y = log₁ /₂ x

(G) y = -log₂ x

(H) y = log₂x

(I) y = (1/2)ˣ

Answers

Answer 1

The function that generates the table of values on the right is (H) y = log₂x.

The function (H) y = log₂x represents the logarithm of x to the base 2. In this function, the base 2 logarithm is applied to the variable x, resulting in the corresponding values of y.

The table of values generated by this function will have x-values in the domain, and y-values representing the logarithm of each x-value to the base

2. The logarithm of a number to a given base is the exponent to which the base must be raised to obtain that number. In this case, the base 2 logarithm gives us the power to which 2 must be raised to produce the x-value.

For example, if we take x = 8, the base 2 logarithm of 8 is 3, since 2³ = 8. Similarly, for x = 4, the base 2 logarithm is 2, as 2² = 4. These values will be reflected in the table of values generated by the function (H) y = log₂x. Hence option H is the correct option.

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Related Questions

The electrical supply house has 7532 feet of 12-2/g and 3927 feet of 12-3/g. how many more feet of 12-2/g is there than 12-3/g

Answers

The electrical supply house that has 7532 feet of 12-2/g wire will have 3605 more feet than 3927 feet of 12-3/g wire.

To determine the difference, we need to subtract the length of the 12-3/g wire from the length of the 12-2/g wire.

So, the calculation would be:
7532 feet (12-2/g wire) - 3927 feet (12-3/g wire) = 3605 feet

Therefore, there are 3605 more feet of 12-2/g wire than 12-3/g wire.

The two types of electrical wire used here are:
a. 12-2/g wire: This indicates a type of electrical wire with a gauge of 12 and two conductors (wires) plus a ground wire (g). The gauge of the wire determines its thickness, and in this case, it is 12.
b. 12-3/g wire: This refers to another type of electrical wire with a gauge of 12 as well, but it has three conductors (wires) and a ground wire (g). The additional conductor makes it suitable for circuits that require an extra wire, such as those involving switches or three-way lighting.

Understanding these wire specifications is essential when working with electrical systems, as it helps ensure the correct type and gauge of wire are used for different applications.

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a parcel measuring 110 yards by 220 yards contains how many acres? 10 acres .56 acres 1.67 acres 5 acres

Answers

To calculate the number of acres in a parcel measuring 110 yards by 220 yards, we can use the formula:

Area (in square yards) = length (in yards) * width (in yards) So, the area of the parcel would be:

110 yards * 220 yards = 24,200 square yards

To convert square yards to acres, we can use the conversion factor:

1 acre = 4,840 square yards

Dividing the area of the parcel by the conversion factor:

24,200 square yards / 4,840 square yards per acre = 5 acres

Therefore, the parcel measuring 110 yards by 220 yards contains 5 acres.

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The parcel measuring 110 yards by 220 yards contains 5 acres.

The given parcel measures 110 yards by 220 yards. To find out how many acres it contains, we need to convert the measurements to acres.

First, let's convert the length and width from yards to feet. There are 3 feet in a yard, so the length becomes 330 feet (110 yards * 3 feet/yard) and the width becomes 660 feet (220 yards * 3 feet/yard).

Next, we convert the length and width from feet to acres. There are 43,560 square feet in an acre.

To find the total area of the parcel in square feet, we multiply the length by the width: 330 feet * 660 feet = 217,800 square feet.

Finally, we divide the total area in square feet by 43,560 to convert it to acres: 217,800 square feet / 43,560 square feet/acre = 5 acres.

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kyara currently runs 2 miles a day. since she is training for a 10 mile race, she decided to increase the distance she runs daily by .25 of a mile. Write an equation to represent how many miles kyara runs each day. Explain what x and y represent in this situation.

Answers

The required equation is y= 2+ 0.25x. This equation allows us to determine the number of miles Kyara runs daily, considering her initial distance and the planned increase, represented by "x" and "0.25x," respectively.

Let's represent the number of miles Kyara runs each day with the variable "x." Initially, Kyara runs 2 miles a day, so x can be set as 2. Now, let's consider the increase in distance she plans to make. According to the given information, she wants to increase her daily run distance by 0.25 miles. We can express this increase as 0.25x. By adding this increase to her initial distance, we get the equation:

y = x + 0.25x

In this equation, "y" represents the new distance Kyara will run each day, and "x" represents her initial distance of 2 miles. By adding 0.25 times her initial distance to her initial distance, we obtain the new total distance she will run daily.

For example, if we substitute x = 2 into the equation, we find that y = 2 + 0.25(2) = 2.5. Therefore, after increasing her distance, Kyara will run 2.5 miles each day.

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A water tank can be filled by an inlet pipe in 8 hours. It takes 3 times as long for the outlet pipe to empty the tank. How long will it take to fill the tank if both pipes are open

Answers

It will take 12 hours to fill the tank if both pipes are open

A water tank can be filled by an inlet pipe in 8 hours.

It takes 3 times as long for the outlet pipe to empty the tank.

How long will it take to fill the tank if both pipes are open

The inlet pipe fills the tank in 8 hours.

The outlet pipe empties the tank in 3 times the inlet pipe or 24 hours.

Thus, the effective filling rate is 1/8 - 1/24 or 1/12 which means the tank can be filled by both pipes working together in 12 hours.

Hence, It will take 12 hours to fill the tank if both pipes are open.

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an ellipse has foci f1(9, 0) and f2(11, 6), and the point (1, 6) is on the ellipse. identify the constant sum for the ellipse. 10 0 20 100

Answers

To identify the constant sum for the ellipse, we need to find the distance between the foci of the ellipse. The constant sum for an ellipse is equal to the sum of the distances from any point on the ellipse to each of the foci.

Given that the foci of the ellipse are f1(9, 0) and f2(11, 6), and the point (1, 6) is on the ellipse, we can calculate the distances from the point (1, 6) to each of the foci. Using the distance formula, the distance from (1, 6) to f1(9, 0) is:
√[(9 - 1)^2 + (0 - 6)^2] = √[(8)^2 + (-6)^2] = √[64 + 36] = √100 = 10

Similarly, the distance from (1, 6) to f2(11, 6) is:
√[(11 - 1)^2 + (6 - 6)^2] = √[(10)^2 + (0)^2] = √[100 + 0] = √100 = 10

The constant sum for the ellipse is the sum of these two distances, which is 10 + 10 = 20.

Therefore, the constant sum for the ellipse is 20.

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The expression 5x represents a real life situation. what might the situation be?

Answers

The expression 5x represents a real-life situation where you have a quantity, represented by x, that is being multiplied by 5. Here are a few examples of situations that could be represented by this expression:

1. If x represents the number of apples, then 5x would represent 5 times the number of apples. For example, if you have 3 apples, then 5x would be equal to 15 apples.

2. If x represents the length of a side of a square, then 5x would represent 5 times the length of the side. For example, if the side length is 2 units, then 5x would be equal to 10 units.

3. If x represents the number of hours worked, then 5x would represent the total pay for working 5 times the number of hours. For example, if you earn 10 per hour and work 8 hours, then 5x would be equal to 400.

In general, the expression 5x can represent any situation where a quantity is being multiplied by 5.

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Kuta Software - Infinite Algebra 1 Name___________________________________ Adding and Subtracting Polynomials

Answers

Kuta Software - Infinite Algebra 1 is an educational tool that focuses on providing students with algebra 1 exercises. The software includes a range of topics that cover the fundamentals of algebra 1. One of the topics that the software covers is Adding and Subtracting Polynomials. Adding Polynomials involves combining like terms.

In the case where the polynomials are in descending order, students can start adding or subtracting their respective terms. Similarly, if the polynomials are in ascending order, the students should start with the terms with the highest degree and work their way down. Adding polynomials is relatively easy since it involves combining like terms.

However, when it comes to subtracting polynomials, the process becomes a bit more complicated. The subtraction of polynomials involves changing the sign of the terms to be subtracted. To be able to do this, students can first distribute a negative sign throughout the polynomial, then follow the same procedure they would have followed when adding polynomials to combine like terms.

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Final answer:

Adding and subtracting polynomials in Algebra involves combining or subtracting like terms. For practice, Kuta Software provides various activities. An example is given to demonstrate the process.

Explanation:

Adding and subtracting polynomials is a key concept within the subject of Algebra 1. Kuta Software is a common educational platform that offers a variety of activities for practicing this skill. In essence, to add or subtract polynomials, you combine or subtract like terms, which are terms with the same variable and exponent. For example, if you were to add the polynomials 3x^2 + 2x and 5x^2 - 2x, you would combine the x^2 terms and the x terms separately, resulting in (3x^2 + 5x^2) + (2x - 2x), which simplifies to 8x^2.

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Solve each equation using tables. Give each answer to at most two decimal places.

5 x²+x=4

Answers

Substituting x = 0.6 into the equation:5(0.6)² + 0.6 - 4 = 0

which simplifies to:0.5 = 0.5

The answer is therefore: x = 0.60 (to two decimal places).

To solve the equation using tables we can use the following steps:

1. Write the given equation: 5x² + x = 4

2. Find the range of x values we want to use for the table

3. Write x values in the first column of the table

4. Calculate the corresponding values of the equation for each x value

5. Write the corresponding y values in the second column of the table

.6. Check the table to find the value of x that makes the equation equal to zero.

For the given equation: 5x² + x = 4, we can choose a range of x values for the table that includes the expected answer of x with at least two decimal places.x | 5x² + x-2---------------------1 | -1-2 | -18 | 236 | 166x = 0.6 is a solution to the equation. We can check this by substituting x = 0.6 into the equation:5(0.6)² + 0.6 - 4 = 0

which simplifies to:0.5 = 0.5

The answer is therefore: x = 0.60 (to two decimal places).

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The table shows the finalists for a floor exercises competition. The order in which they will perform will be chosen randomly.


a. What is the probability that Cecilia, Annie, and Kimi are the first 3 gymnasts to perform, in any order?

Answers

The probability that Cecilia, Annie, and Kimi are the first 3 gymnasts to perform, in any order, is 1 out of 6,720.

The probability of Cecilia, Annie, and Kimi being the first 3 gymnasts to perform, in any order, can be calculated using the concept of permutations. Since the order of the three gymnasts doesn't matter, we can consider all possible arrangements of the three names.
To find the total number of possible arrangements, we use the formula for permutations of n objects taken r at a time, which is n! / (n-r)!

In this case, n = 3 (the number of gymnasts) and r = 3 (the number of positions to be filled).
Using the formula, we get:
3! / (3-3)! = 3! / 0! = 3! = 3 x 2 x 1 = 6
Therefore, there are 6 possible arrangements for the first 3 gymnasts to perform.

Since we want Cecilia, Annie, and Kimi to be the first 3 gymnasts, we count the number of arrangements where they are in the first 3 positions.
The number of favorable arrangements is 3! because there are 3 gymnasts to be placed in 3 positions, and the order matters in this case.
Therefore, the probability is the number of favorable arrangements divided by the total number of possible arrangements:
P = 3! / 3! = 1
So, the probability that Cecilia, Annie, and Kimi are the first 3 gymnasts to perform, in any order, is 1.

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To find the probability that Cecilia, Annie, and Kimi are the first 3 gymnasts to perform in any order, we need to determine the total number of possible orders and the number of favorable outcomes.

The total number of possible orders can be calculated using the concept of permutations.

Since there are 3 gymnasts, there are 3! (3 factorial) ways to arrange them in order,

which equals 3 x 2 x 1 = 6 possible orders.

To calculate the number of favorable outcomes where Cecilia, Annie, and Kimi are the first 3 gymnasts to perform,

we need to consider that there are 3 positions available for Cecilia, 2 positions remaining for Annie, and 1 position left for Kimi.

This can be calculated using the formula 3 x 2 x 1 = 6.

Therefore, the number of favorable outcomes is 6.

To find the probability, we divide the number of favorable outcomes by the total number of possible outcomes.

Probability = Number of favorable outcomes / Total number of possible outcomes

Probability = 6 / 6

Simplifying, we find that the probability is 1.

So, the probability that Cecilia, Annie, and Kimi are the first 3 gymnasts to perform, in any order, is 1 or 100%.

This means that it is guaranteed that they will be the first three gymnasts to perform,

regardless of the order in which they are chosen.

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if g(3x-2) = 7x-15 , find the value of g–¹og(2)​

Answers

To find the value of g^(-1) o g(2), we need to determine the input value that would produce an output of 2 when fed into the function g(x).

Let's begin by finding the inverse function of g(x). We can start by replacing g(x) with y in the equation and then solving for x.

Given:

g(3x - 2) = 7x - 15

Replacing g(x) with y:

y = 7x - 15

Now, let's solve for x in terms of y:

y = 7x - 15

y + 15 = 7x

x = (y + 15) / 7

Therefore, the inverse function g^(-1)(x) is:

g^(-1)(x) = (x + 15) / 7

Now we can find g^(-1) o g(2) by plugging g(2) into g^(-1)(x):

g^(-1) o g(2) = g^(-1)(g(2))

= g^(-1)(7(2) - 15)

= g^(-1)(14 - 15)

= g^(-1)(-1)

Plugging -1 into g^(-1)(x):

g^(-1)(-1) = (-1 + 15) / 7

= 14 / 7

= 2

Therefore, the value of g^(-1) o g(2) is indeed 2.

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Find the point(s) of intersection, if any, between each circle and line with the equations given.

x^{2}+y^{2}=5

y=\frac{1}{2} x

Answers

Acc0rding to the given statement the points of intersection between the circle and line are (2, 1) and (-2, -1).

To find the point(s) of intersection between the circle and line, we can substitute the equation of the line into the equation of the circle.
Given:
Circle equation: x² + y² = 5
Line equation: y = (1/2)x
Substituting y = (1/2)x into the circle equation, we have:
x² + (1/2)x² = 5
Combining like terms, we get:
(5/4)x² = 5
Dividing both sides by (5/4), we obtain:
x² = 4
Taking the square root of both sides, we find:
x = ±2
Now, substituting these x-values into the line equation, we can find the corresponding y-values:
When x = 2, y = (1/2)(2) = 1
When x = -2, y = (1/2)(-2) = -1
Therefore, the points of intersection between the circle and line are (2, 1) and (-2, -1).

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The two given equations intersect at the points (-2, -1) and (2, 1). This solution is accurate and provides step-by-step explanations to help understand the process. It is important to note that the number of intersection points may vary depending on the equations given.

To find the points of intersection between the given circle and line, let's substitute the equation of the line into the equation of the circle.

First, we have the equation of the circle:
x^2 + y^2 = 5

And the equation of the line:
y = (1/2)x

To find the intersection points, we substitute (1/2)x for y in the equation of the circle:
x^2 + (1/2)x^2 = 5

Combining like terms, we have:
(5/4)x^2 = 5

Dividing both sides by (5/4), we get:
x^2 = 4

Taking the square root of both sides, we have:
x = ±2

Now, substitute these x-values back into the equation of the line to find the corresponding y-values.

For x = 2:
y = (1/2)(2) = 1

For x = -2:
y = (1/2)(-2) = -1

Therefore, the points of intersection are: (-2, -1) and (2, 1).

In conclusion, the two given equations intersect at the points (-2, -1) and (2, 1).

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State the assumption you would make to start an indirect proof of each statement. AB ≅ CD

Answers

To start an indirect proof of the statement "AB ≅ CD," the assumption you would make is that "AB and CD are not congruent."

To start an indirect proof of the statement "AB ≅ CD," we assume the opposite of the desired conclusion, which is that "AB and CD are not congruent."

Assume that AB and CD are not congruent: AB ≇ CD.

Next, we proceed with the steps to arrive at a contradiction.

Use the definition of congruent segments: If two segments are congruent, then they have the same length.

If AB and CD are not congruent, then they have different lengths.

Use the Transitive Property of Equality: If two quantities are equal to a third quantity, then they are equal to each other.

If AB has a different length than CD, then AB cannot be equal to CD.

This contradicts our assumption that AB and CD are not congruent.

Since our assumption leads to a contradiction, we can conclude that the statement "AB ≅ CD" is true.

Therefore, the assumption made to start an indirect proof of the statement "AB ≅ CD" is that "AB and CD are not congruent."

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Consider the initial value problem 4y 00 4y 0 y = 0, y(0) = 1, y0 (0) = 2. (a) solve the initial value problem and plot the solution

Answers

The given initial value problem is solved by finding the general solution to the homogeneous equation and a particular solution to the non-homogeneous equation. The solution, y(x) = e^(-2x) + 4xe^(-2x), can be plotted to visualize its behavior.

To solve the initial value problem, we can start by writing the characteristic equation for the given differential equation:

r^2 + 4r + 4 = 0

Solving this quadratic equation, we find that it has a repeated root of -2. Therefore, the general solution to the homogeneous equation is:

y_h(x) = c1e^(-2x) + c2xe^(-2x)

Next, let's find the particular solution using the method of undetermined coefficients. Since the right-hand side of the equation is 0, we can assume a particular solution of the form:

y_p(x) = A

Substituting this into the differential equation, we get:

0 + 0 + A = 0

This implies that A = 0. Therefore, the particular solution is y_p(x) = 0.

The general solution to the non-homogeneous equation is the sum of the homogeneous and particular solutions:

y(x) = y_h(x) + y_p(x)

    = c1e^(-2x) + c2xe^(-2x)

Now, let's use the initial conditions to find the values of c1 and c2.

Given y(0) = 1, we have:

1 = c1e^(-2*0) + c2(0)e^(-2*0)

1 = c1

Given y'(0) = 2, we have:

2 = -2c1e^(-2*0) + c2e^(-2*0)

2 = -2c1 + c2

From the first equation, we get c1 = 1. Substituting this into the second equation, we can solve for c2:

2 = -2(1) + c2

2 = -2 + c2

c2 = 4

Therefore, the specific solution to the initial value problem is:

y(x) = e^(-2x) + 4xe^(-2x)

To plot the solution, we can use a graphing tool or software to plot the function y(x) = e^(-2x) + 4xe^(-2x). The resulting plot will show the behavior of the solution over the given range.

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A cube has a surface area of 253 1/2 square inches. What is the area of one


face of the cube in square inches? How do you know?

Answers

The area of one face of the cube is 42 1/4 square inches.

To find the area of one face of the cube, we need to divide the total surface area of the cube by the number of faces it has.

A cube has 6 faces, so if the total surface area of the cube is 253 1/2 square inches, we can divide it by 6 to find the area of one face.

253 1/2 square inches ÷ 6 = 42 1/4 square inches.

Therefore, the area of one face of the cube is 42 1/4 square inches.

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An advertising executive claims that there is a difference in the mean household income for credit cardholders of visa gold and of mastercard gold. a random survey of 11 visa gold cardholders resulted in a mean household income of $82,540 with a standard deviation of $9900. a random survey of 18 mastercard gold cardholders resulted in a mean household income of $71,900 with a standard deviation of $10,900. is there enough evidence to support the executive's claim? let μ1 be the true mean household income for visa gold cardholders and μ2 be the true mean household income for mastercard gold cardholders. use a significance level of α=0.01 for the test. assume that the population variances are not equal and that the two populations are normally distributed. step 1 of 4: state the null and alternative hypotheses for the test.

Answers

The alternative hypothesis (Ha) states that the difference between these means is not zero, indicating that there is a difference in the mean household incomes.

The null and alternative hypotheses for the test are as follows:

Null Hypothesis (H0): There is no difference in the mean household income for credit cardholders of Visa Gold and Mastercard Gold.
Alternative Hypothesis (Ha): There is a difference in the mean household income for credit cardholders of Visa Gold and Mastercard Gold.

In symbols:

H0: μ1 - μ2 = 0

Ha: μ1 - μ2 ≠ 0

Where μ1 represents the true mean household income for Visa Gold cardholders and μ2 represents the true mean household income for Mastercard Gold cardholders.

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joel and matthew were college roommates who loved to fish. they decided to buy a bass fishing boat together and filled out a loan application as co-applicants. in the summer after their junior year, joel dropped out of college, hitched the boat and trailer to his car and took off. they still owed $2,300 on the boat that was being paid off at the rate of $150 per month. if joel stops paying his half of the loan and matthew can't locate joel, what happens to the loan?

Answers

Matthew will be responsible for fulfilling the loan agreement and ensuring the remaining balance is paid off.

If Joel stops paying his half of the loan and Matthew cannot locate him, the loan will still need to be repaid. In this case, Matthew will be solely responsible for making the monthly payments of $150 to pay off the remaining balance of $2,300.

Since Joel dropped out of college and took off with the boat and trailer, it is possible that Matthew might face difficulties in locating him to resolve the situation. However, from a legal standpoint, Matthew's obligation to repay the loan remains unchanged. It is advisable for Matthew to contact the lender and explain the situation, providing any relevant information about Joel's whereabouts if available.

The lender may be able to offer alternative solutions, such as adjusting the payment plan or pursuing legal action against Joel.

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The balls in a modeling kit representing different elements are often distinguished by color. However, there are other ways to identify the elements. Beyond color, what differences do you expect between the atoms of distinct elements in a modeling kit?.

Answers

The atoms of distinct elements in a modeling kit can be differentiated by their atomic number, atomic mass, electron configuration, valence electrons, and chemical reactivity. These characteristics help identify and understand the unique properties and behavior of each element.

The atoms of distinct elements in a modeling kit can be identified by several characteristics beyond color. Here are some differences you can expect between the atoms of different elements:

1. Atomic number: Each element has a unique atomic number, which corresponds to the number of protons in the nucleus of its atoms. For example, hydrogen has an atomic number of 1, while helium has an atomic number of 2.

2. Atomic mass: Elements can have different atomic masses, which is the sum of protons and neutrons in the nucleus. For instance, carbon-12 and carbon-14 have different atomic masses but are both isotopes of carbon.

3. Electron configuration: The arrangement of electrons in an atom's electron shells differs between elements. For instance, oxygen has 8 electrons and its electron configuration is 2-6, while nitrogen has 7 electrons and its electron configuration is 2-5.

4. Valence electrons: The number of valence electrons, which are the electrons in the outermost shell, varies among elements. Valence electrons determine an element's chemical properties. For example, carbon has 4 valence electrons, while oxygen has 6 valence electrons.

5. Chemical reactivity: Different elements exhibit varying degrees of reactivity due to the number and arrangement of their electrons. For example, alkali metals like sodium and potassium are highly reactive, while noble gases like helium and neon are inert.
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Simplify.


√16 . √25

Answers

The simplified expression √16 ⋅ √25 is equal to 20.

To simplify the expression √16 ⋅ √25, we can simplify each square root individually and then multiply the results.

First, let's simplify √16. The square root of 16 is 4 since 4 multiplied by itself equals 16.

Next, let's simplify √25. The square root of 25 is 5 since 5 multiplied by itself equals 25.

Now, we can multiply the simplified square roots together:

√16 ⋅ √25 = 4 ⋅ 5

Multiplying 4 and 5 gives us:

4 ⋅ 5 = 20

Therefore, the simplified expression √16 ⋅ √25 is equal to 20.

In summary, √16 ⋅ √25 simplifies to 20.

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Solve each system by substitution.

3 x+y-2 z=22

x+5 y+z=4

x=-3 z

Answers

The solution to the system of equations is x = -3,

y = 0, and

z = -2.

To solve the system of equations by substitution, we can substitute the value of x from the third equation into the other two equations.

3x + y - 2z = 22

x + 5y + z = 4

x = -3z

Substituting the value of x from equation 3 into equations 1 and 2, we get:

3(-3z) + y - 2z = 22

-9z + y - 2z = 22

-11z + y = 22

(-3z) + 5y + z = 4

-2z + 5y = 4

Now we have a system of two equations with two variables:

-11z + y = 22 and

-2z + 5y = 4.

By solving these equations, we find that z = -2, y = 0.

Substituting these values back into equation 3, we get:

x = -3z = -3(-2) = 6

Therefore, the solution to the system of equations is x = 6, y = 0, z = -2.

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The sequence negative one fifth comma two sixths comma negative three sevenths comma four eighths and so on is given.

Answers

The [tex]$n^{th}$[/tex] term of the given sequence is [tex]$$a_n = (-1)^{n+1} \frac{n}{n+4}$$[/tex]

The given sequence is  

[tex]$$-\frac{1}{5}, \frac{2}{6}, -\frac{3}{7}, \frac{4}{8}, \dots$$[/tex]

The problem is to find the first 5 terms and the [tex]$n^{th}$[/tex] term of the given sequence.

Step-by-step explanation: The given sequence is

[tex]$$-\frac{1}{5}, \frac{2}{6}, -\frac{3}{7}, \frac{4}{8}, \dots$$[/tex]

To find the first 5 terms of the given sequence, we will plug in the values of n one by one.

We have the sequence formula,

[tex]$$a_n = (-1)^{n+1} \frac{n}{n+4}$$[/tex]

When n = 1,

[tex]$$a_1 = (-1)^{1+1} \frac{1}{1+4} = -\frac{1}{5}$$[/tex]

When n = 2,

[tex]$$a_2 = (-1)^{2+1} \frac{2}{2+4} = \frac{2}{6} = \frac{1}{3}$$[/tex]

When n = 3,

[tex]$$a_3 = (-1)^{3+1} \frac{3}{3+4} = -\frac{3}{7}$$[/tex]

When n = 4,

[tex]$$a_4 = (-1)^{4+1} \frac{4}{4+4} = \frac{4}{8} = \frac{1}{2}$$[/tex]

When n = 5,

[tex]$$a_5 = (-1)^{5+1} \frac{5}{5+4} = -\frac{5}{9}$$[/tex]

Thus, the first 5 terms of the given sequence are [tex]$$-\frac{1}{5}, \frac{1}{3}, -\frac{3}{7}, \frac{1}{2}, -\frac{5}{9}$$[/tex]

Now, to find the [tex]$n^{th}$[/tex] term of the given sequence, we will use the sequence formula.

[tex]$$a_n = (-1)^{n+1} \frac{n}{n+4}$$[/tex]

Thus, the [tex]$n^{th}$[/tex] term of the given sequence is [tex]$$a_n = (-1)^{n+1} \frac{n}{n+4}$$[/tex]

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1. suppose that one person in 1,000 has a rare disease for which there is a fairly accurate diagnostic test. this test is correct 99% of the time when given to a person selected at random who has the disease; it is correct 99% of the time when given to a person selected at random who does not have the disease. given this information can we find (a) the probability that a person who tests positive for the disease has the disease? (b) the probability that a person who tests negative for the disease does not have the disease?

Answers

To determine the probability that a person who tests positive for the disease actually has the disease and the probability that a person who tests negative does not have the disease, we can use Bayes' theorem and the given information.

Let's define the following events:

D: The person has the disease.

D': The person does not have the disease.

T: The person tests positive for the disease.

T': The person tests negative for the disease.

(a) Probability that a person who tests positive for the disease actually has the disease (P(D|T)):

According to Bayes' theorem:

P(D|T) = (P(T|D) * P(D)) / P(T)

From the given information:

P(D) = 1/1000 (1 in 1000 people have the disease)

P(T|D) = 0.99 (the test is correct 99% of the time when given to a person who has the disease)

P(T) = P(T|D) * P(D) + P(T|D') * P(D')  (Total probability theorem)

P(D|T) = (0.99 * (1/1000)) / (P(T|D) * P(D) + P(T|D') * P(D'))

(b) Probability that a person who tests negative for the disease does not have the disease (P(D'|T')):

Using Bayes' theorem:

P(D'|T') = (P(T'|D') * P(D')) / P(T')

From the given information:

P(D') = 1 - P(D) = 1 - (1/1000) (the complement of having the disease)

P(T'|D') = 0.99 (the test is correct 99% of the time when given to a person who does not have the disease)

P(T') = P(T'|D) * P(D) + P(T'|D') * P(D')  (Total probability theorem)

P(D'|T') = (0.99 * (1 - (1/1000))) / (P(T'|D) * P(D) + P(T'|D') * P(D'))

By substituting the given probabilities into the equations and calculating the values, you can determine the probabilities P(D|T) and P(D'|T') accurately.

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the dean of blotchville university boasts that the average class size there is 20. but the reality experienced by the majority of students there is quite different: they find themselves in huge courses, held in huge lecture halls, with hardly enough seats or haribo gummi bears for everyone. the purpose of this problem is to shed light on the situation. for simplicity, suppose that every student at blotchville university takes only one course per semester.

Answers

The dean's statement that the average class size is 20 is technically correct, but it can be misleading because most students are in classes with much larger numbers of students.

According to the statement by the dean of Blotchville University, the average class size is 20, which means the average number of students in a class is 20.

Now, let's consider that every student at Blotchville University takes only one course per semester. Given that the total number of students enrolled at Blotchville University is 150, we can calculate the total number of classes.

The formula to calculate the total number of classes is:

Total number of classes = Total number of students / Average number of students in a class

Substituting the values, we have:

Total number of classes = 150 / 20 = 7.5

Since we cannot have a fraction of a class, we round up the value to the nearest whole number. Therefore, the total number of classes is 8.

Hence, the dean's statement that the average class size is 20 is technically correct, but it can be misleading because most students are in classes with much larger numbers of students.

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(order of operations mc) simplify: the sum of 5.5 and 4.3 all divided by the quantity 4 end quantity times the quantity 2 minus 6 end quantity squared plus 5. 44.2 −4.8 −14.6 −34.2

Answers

The simplified value of the expression is 51.45. To simplify the expression, we need to follow the order of operations, which is also known as PEMDAS.

This stands for Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right).

1. Start by evaluating the expression inside the parentheses: 2 - 6 = -4.
2. Next, square the result: [tex](-4)^2[/tex]= 16.
3. Then, add 5 to the result: 16 + 5 = 21.
4. Now, we can divide the sum of 5.5 and 4.3 by 4: (5.5 + 4.3)/4 = 9.8/4 = 2.45.
5. Finally, multiply the result from step 4 by the result from step 3: 2.45 * 21 = 51.45.

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Final answer:

The given expression: (5.5 + 4.3) / (4 * (2 - 6)^2) + 5, is simplified using the BODMAS rule, which states that mathematical operations should be performed in the order of Brackets, Orders or Indices, Division and Multiplication, and Addition and Subtraction. Following this rule, the simplified answer to the expression is (9.8 / 64) + 5.

Explanation:

In Mathematics, one of the fundamental principles we operate on is the order of operations, also known as

BODMAS/BIDMAS

(Brackets, Orders or Indices, Division and Multiplication, and Addition and Subtraction). Using this principle, the given expression: (5.5 + 4.3) / (4 * (2 - 6)^2) + 5, can be simplified step by step as follows:

Work on the expressions in brackets first: (5.5 + 4.3) becomes 9.8, and (2 - 6) becomes -4. Next, square the result of the operation in the bracket, which was -4: This becomes 16. Now work on the multiplication: 4 * 16, which is 64. Then divide 9.8 by 64. Finally, add 5 to the result of the division.

So, the simplified answer to the expression is (9.8 / 64) + 5.

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Step 2: Calculating distance using varied speeds

Suppose the cheetah sprinted at maximum speed for 8 minutes and then slowed to 40 mph for the next 8 minutes.


a. How far would the cheetah have traveled in the first 8 minutes? Show how you arrived at your answer.


b. How far would the cheetah have traveled in the next 8 minutes? Show how you arrived at your answer.


c. How much farther did the cheetah traveled in the first 8 minutes than in the second 8 minutes?


d. The cheetah traveled 1. 75 times faster for the first 8 minutes than it did for the second 8 minutes. Was the distance traveled during the first 8 minutes 1. 75 times greater than the distance traveled during the second 8 minutes? Show the calculation to justify your answer.

e. If the cheetah made a round-trip and took have the amount of time on the return trip as on the front end of the trip, what would be the relationship between the average rates on each leg of the trip? Use a complete sentence, explain how you arrived at this conclusion

Answers

A cheetah sprints at its maximum speed for 8 minutes and then slows down to 40 mph for the next 8 minutes. The distance traveled in each interval is calculated, showing that the cheetah traveled farther in the first 8 minutes. The relationship between speed and distance is discussed, highlighting that it is not proportional. The average rates on each leg of a round-trip would depend on the actual distances traveled.

The scenario involves a cheetah's sprint, where it initially runs at maximum speed for 8 minutes and then slows down for the next 8 minutes. The distances traveled in each interval and the relationship between speed and distance will be explored.

a. To calculate the distance traveled in the first 8 minutes, we need to know the speed of the cheetah during that time. If the cheetah sprinted at its maximum speed, we can assume it was running at its top speed, which is typically around 60-70 mph. Let's assume a speed of 60 mph for this calculation.

Distance = Speed × Time

Distance = 60 mph × (8 minutes / 60 minutes)

Distance = 60 mph × 0.1333 hours

Distance ≈ 7.9998 miles

Therefore, the cheetah would have traveled approximately 7.9998 miles in the first 8 minutes.

b. In the next 8 minutes, the cheetah slowed down to 40 mph. Using the same formula as above:

Distance = Speed × Time

Distance = 40 mph × (8 minutes / 60 minutes)

Distance = 40 mph × 0.1333 hours

Distance ≈ 5.332 miles

Therefore, the cheetah would have traveled approximately 5.332 miles in the next 8 minutes.

c. The cheetah traveled a greater distance in the first 8 minutes compared to the second 8 minutes.

Distance difference = Distance in the first 8 minutes - Distance in the second 8 minutes

Distance difference = 7.9998 miles - 5.332 miles

Distance difference ≈ 2.6678 miles

Therefore, the cheetah traveled approximately 2.6678 miles farther in the first 8 minutes than in the second 8 minutes.

d. The cheetah traveled 1.75 times faster in the first 8 minutes than in the second 8 minutes. However, the distance traveled is not directly proportional to the speed. To calculate the actual distance traveled, we need to consider the time and speed.

Distance first 8 minutes = Speed first 8 minutes × Time first 8 minutes

Distance first 8 minutes = 60 mph × (8 minutes / 60 minutes)

Distance first 8 minutes ≈ 7.9998 miles

Distance second 8 minutes = Speed second 8 minutes × Time second 8 minutes

Distance second 8 minutes = 40 mph × (8 minutes / 60 minutes)

Distance second 8 minutes ≈ 5.332 miles

The distance traveled during the first 8 minutes is approximately 1.5 times greater than the distance traveled during the second 8 minutes. It is not exactly 1.75 times greater because the relationship between speed and distance is not linear.

e. If the cheetah made a round-trip and took half the amount of time on the return trip as on the front end of the trip, the relationship between the average rates on each leg of the trip would depend on the distances traveled. To determine the relationship, we need the actual distances traveled on both legs of the trip.

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Kite FGHK is shown. Kite F G H K is shown. Sides G F and F K are congruent. The length of G H is 5 m 1 and the length of H K is 3 m 7. What is the value of m

Answers

The value of "m" represents the length of side G F in the kite F G H K. The value of "m" is 3.5. Given that sides G F and F K are congruent, we can conclude that their lengths are equal.


We are given that the length of side G H is 5 m 1 and the length of side H K is 3 m 7.

To find the value of "m," we need to find the length of side G F.


Since G F and F K are congruent, we can set up an equation:

5 m 1 = 3 m 7

To solve for "m," we need to subtract 3 m from both sides of the equation:

5 m - 3 m = 3 m - 3 m + 7


This simplifies to:

2 m = 7

Now, we can solve for "m" by dividing both sides of the equation by 2:

m = 7 ÷ 2

m = 3.5


Therefore, the value of "m" is 3.5.

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Solve the following equation.

-t/13 -2 =3

Answers

Answer:

t = - 65

Step-by-step explanation:

- [tex]\frac{t}{13}[/tex] - 2 = 3 ( add 2 to both sides )

- [tex]\frac{t}{13}[/tex] = 5 ( multiply both sides by 13 to clear the fraction )

- t = 65 ( multiply both sides by - 1 )

t = - 65



Solve each equation. Check your answer. 7w + 2 = 3w + 94

Answers

The solution to the equation 7w + 2 = 3w + 94 is w = 23.

To solve the equation 7w + 2 = 3w + 94, we'll begin by isolating the variable w on one side of the equation.

Subtracting 3w from both sides of the equation yields:

7w - 3w + 2 = 3w - 3w + 94

This simplifies to:

4w + 2 = 94

Next, we'll isolate the term with w by subtracting 2 from both sides of the equation:

4w + 2 - 2 = 94 - 2

This simplifies to:

4w = 92

To solve for w, we'll divide both sides of the equation by 4:

4w/4 = 92/4

This simplifies to:

w = 23

To check our answer, we substitute the value of w back into the original equation:

7w + 2 = 3w + 94

Substituting w = 23 gives us:

7(23) + 2 = 3(23) + 94

This simplifies to:

161 + 2 = 69 + 94

Which further simplifies to:

163 = 163

Since both sides of the equation are equal, we can conclude that w = 23 is the solution to the equation.

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What is the simplified form of each radical expression?


b. ³√a¹²b¹⁵

Answers

The simplified form of ³√a¹²b¹⁵ is a⁴b⁵. To simplify, divide the exponents inside the radical by the index of 3.

The simplified form of the radical expression ³√a¹²b¹⁵ is a⁴b⁵.

1. To simplify the given radical expression, we need to divide the exponents inside the radical by the index, which in this case is 3.
2. Dividing 12 by 3 gives us 4, and dividing 15 by 3 gives us 5.
3. Therefore, the simplified form of ³√a¹²b¹⁵ is a⁴b⁵.

The simplified form of ³√a¹²b¹⁵ is a⁴b⁵. To simplify, divide the exponents inside the radical by the index of 3.

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The given expression is ³√a¹²b¹⁵. To simplify this radical expression, we need to find perfect cube factors of the variables under the cube root. The simplified form of ³√a¹²b¹⁵ is a¹²b¹⁵.

Let's break down the given expression:

³√a¹²b¹⁵

To simplify, we can rewrite a¹² as (a³)⁴ and b¹⁵ as (b³)⁵. Now the expression becomes:

³√(a³)⁴(b³)⁵

Using the property of exponents, we can bring the powers outside the cube root:

(a³)⁴ = a¹²
(b³)⁵ = b¹⁵

Now the expression simplifies to:

³√a¹²b¹⁵ = a¹²b¹⁵

So, the simplified form of ³√a¹²b¹⁵ is a¹²b¹⁵.

In this case, there are no perfect cube factors, so the expression cannot be simplified further.

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Solve (x+3 i)(x-3 i)=34

Answers

To solve the equation (x+3i)(x-3i) = 34, we expand the left side using the FOIL method and simplify the expression. Setting it equal to 34, we solve for x by subtracting 9 from both sides and taking the square root. The solutions are x = 5 and x = -5.


To solve the equation (x+3i)(x-3i) = 34, we can use the FOIL method.

First, let's apply the FOIL method to expand the left side of the equation:
(x+3i)(x-3i) = x*x + x*(-3i) + 3i*x + 3i*(-3i)
           = [tex]x^2[/tex] - 3ix + 3ix - [tex]9i^2[/tex]
           =[tex]x^2 - 9i^2[/tex]

Since [tex]i^2[/tex] is equal to -1, we can simplify the equation further:
[tex]x^2 - 9i^2[/tex] =[tex]x^2[/tex] - 9(-1)
           = [tex]x^2[/tex] + 9

Now, we can set this expression equal to 34 and solve for x:
[tex]x^2[/tex] + 9 = 34

Subtracting 9 from both sides:
[tex]x^2[/tex] = 34 - 9
[tex]x^2[/tex] = 25

Taking the square root of both sides (remembering to consider both positive and negative roots):
x = ±√25
x = ±5

So, the solutions to the equation (x+3i)(x-3i) = 34 are x = 5 and x = -5.

To solve the equation (x+3i)(x-3i) = 34, we can use the FOIL method to expand the left side of the equation. By applying this method, we obtain[tex]x^2 - 9i^2[/tex]. Since [tex]i^2[/tex] is equal to -1, we can simplify this expression further to [tex]x^2[/tex] + 9. Setting this equal to 34, we subtract 9 from both sides and solve for x. Taking the square root of both sides and considering both positive and negative roots, we find that x can equal 5 or -5. Thus, these are the solutions to the equation.

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Tell whether the outcomes of each trial are dependent events or independent events. A month is selected at random; a number from 1 to 30 is selected at random.

Answers

Each trial's outcomes are independent events, as the choice of a month and a number from 1 to 30 is not dependent on each other. Each trial is separate and independent, ensuring the outcomes are independent.

The outcomes of each trial are independent events. In this scenario, the selection of a month at random and the selection of a number from 1 to 30 at random are not dependent on each other.

The choice of a month does not affect or influence the choice of a number, and vice versa. Each trial is separate and does not rely on the outcome of the other trial.

Therefore, the outcomes of each trial are independent events.

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