Out of all the readers who visit a blog, 11% click on an advertisement. Predict how many readers will click on an advertisement if 500 people visit the blog in one day.

The correct answer would be

B) half of her classmates have a sibling and half do not

Add totals for classmates who have chores and those who do not have chores for each group.

7 + 8 = 15

9 + 6 = 15

Therefore, the correct answer would be

B) half of her classmates have a sibling and half do not

Based on the fact that the total for the classmates that have chores and those that don't have are equal which is 15, we can conclude that option B is correct.

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to solve an expression with a positive number and a variable raised to a positive power, simplify the expression inside the parentheses and then combine any like terms outside the parentheses.

To solve an expression with a positive number and a variable raised to a positive power, you can use the following steps:

Step 1: Simplify the expression inside the parentheses, if possible.

In this case, (3/x) to the 2nd can be simplified to (3^2)/(x^2) = 9/x^2.

Step 2: Combine any like terms outside the parentheses, if applicable.

If there are no like terms outside the parentheses, then you're done. Otherwise, combine them.

For example, if you had the expression (3/x)^2 + 2(x^2), you could combine the like terms to get:

(9/x^2) + 2x^2

Note that in this step, we can also simplify the expression further by finding a common denominator between the two terms, but that depends on the specific problem.

So, in summary, to solve an expression with a positive number and a variable raised to a positive power, simplify the expression inside the parentheses and then combine any like terms outside the parentheses.

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True.

if y is not the zero vector, then there exists a non-zero vector v in the original vector space that is orthogonal to y.

If y is in a subspace W as well as its orthogonal complement Wâ¥, then y is orthogonal to every vector in W as well as every vector in Wâ¥. Since W and W⥠are complements, every vector in the original vector space can be written uniquely as the sum of a vector in W and a vector in Wâ¥. Since y is orthogonal to every vector in W and every vector in Wâ¥, it must be orthogonal to every vector in the original vector space.

Therefore, if y is not the zero vector, then there exists a non-zero vector v in the original vector space that is orthogonal to y. But then v would belong to both W and Wâ¥, which is impossible since W and W⥠are orthogonal complements and their intersection is only the zero vector.

Hence, it follows that if y is in a subspace W as well as its orthogonal complement Wâ¥, then y must be the zero vector.

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The type of function that models the data in the table is an exponential function

From the question, we have the following table of values that can be used in our computation:

X. Y

-1. 2.5

0. 5

1. 10

2. 20

3. 40

The above definitions imply that we simply multiply 2 to the previous term to get the current term

This means that the function is an exponential function

Hence, the type of function that models the data in the table is an exponential function

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The functions f(x)=1/3 (1/2)ˣ and f(x) =2(1/3)ˣ represents exponential decay, option C is correct.

The function f(x) = 2(1/3)ˣ represents exponential decay, as the base 1/3 is between 0 and 1.

The other two functions, f(x) = 1/3(1/2)ˣ represents exponential decay, as the base 1/2 is between 0 and 1.

and f(x) = 1/3(2ˣ) does not represent exponential growth as their bases are greater than 1.

Hence, the functions f(x)=1/3 (1/2)ˣ and f(x) =2(1/3)ˣ represents exponential decay.

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Which of the following functions are an example of exponential growth?

i. f(x)=1/3 (1/2)^x

ii. f(x) =2(1/3)^x

iii. f(x) = 1/3(2^x)

(a) ii and iii only

(b) i only

(c) iii only

(d) i and ii only

The personal expenditure was less than the amount budgeted by $126.48.

First, you have to sum up the figures that represent the budget for the month. Now, these will be compared to the actual spending this month. When this calculation is done, the total amount budgeted stands at $2169.83, and the total amount spent stands at $2043.35.

Now, we subtract the amount spent from the amount budgeted and the figure we arrive at is  $126.48. This remnant shows that the person who drew the budget was well within his limit.

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A method to show differences among earth’s layers is "Oscar determines the pressure at different depths of earth’s crust." Option D.

We have,

Generally, the four earth layers are the

The outer crust.

The mantle.

The liquid outer core.

The solid inner core.

In conclusion,  the mineral content of rock core samples at different depths in Earth's crust are the differences among earth’s layers.

D) Oscar determines the pressure at different depths of earths crust.

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Since the values on the y-axis of the graph are arbitrary and not labeled with specific units, we cannot use the graph to calculate the precise height of Olympus Mons in meters.

However, we can use the information given in the problem to estimate that the height of Olympus Mons is significantly greater than the height of Mt. Everest, which is approximately 8,800 meters. In fact, Olympus Mons is the tallest mountain in the solar system, with a height of approximately 22,000 meters (72,000 feet) from its base on the Martian surface to its summit.

Therefore, an approximate height of Olympus Mons is 22,000 meters.

Answer:

1.5π m³

Step-by-step explanation:

The cones are similar.

The scale factor from cone A to cone B is 2/8 = 1/4

The ratio of the volumes is (1/4)³ = 1/64

Volume of cone B:

96π m³ × 1/64 = 1.5π m³

Answer:

The answer for the Area is 847in²

Step-by-step explanation:

Area of shape=Area of square + Area of trapezoid

A=L²+1/2(a+b)h

A=22²+1/2(11+22)22

A=484+33×11

A=484+363

A=847in²

The number of bottles that can be filled in the drum is A = 22

Given data ,

A drum has 19 Ltr 800 ml of juice.

And , each bottle has 900 mL of capacity

Now , 19 liters = 19,000 milliliters (since there are 1000 milliliters in 1 liter)

800 milliliters = 800 milliliters

So the total volume of juice in milliliters is:

19,000 + 800 = 19,800 milliliters

Each bottle has a capacity of 900 milliliters, so we can divide the total volume of juice by the capacity of each bottle to get the number of bottles:

19,800 / 900 = 22

Hence , 19 liters 800 milliliters of juice can be filled into 22 juice bottles, each with a capacity of 900 milliliters

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Answer:

[tex]9\pi[/tex]

Step-by-step explanation:

To find circumference you need to use the formula [tex]2\pi r= C[/tex] or [tex]d\pi =c[/tex]. We don't have the radius, but we do have the diameter so we have to use the second formula.

The diameter is 9 so we insert it into the formula.

[tex]d\pi=C\\\\9\pi=C\\\\[/tex]

So the circumference is [tex]9\pi[/tex]

The ratio of freshmen to sophomores at 1 p.m. is approximately 0.98:1, or 98 freshmen to every 100 sophomores.

At noon, there are a total of 3,390 students at the prep rally (1,560 + 1,830). From 12 p.m. to 1 p.m., which is a total of 12 five-minute intervals, 20 freshmen arrive per interval, so 20 x 12 = 240 freshmen arrive. Additionally, 15 sophomores leave per interval, so 15 x 12 = 180 sophomores leave.

Therefore, at 1 p.m., there are a total of (1,560 + 240) - 180 = 1,620 freshmen and (1,830 - 180) = 1,650 sophomores at the prep rally.

To find the ratio of freshmen to sophomores at 1 p.m., we can divide the number of freshmen by the number of sophomores:

1,620/1,650 = 0.98

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a) (572)8
Step 1:  5 - 101, 7 - 111, and 2 - 010
Step 2: Combine the binary equivalents.
(572)8 = (101 111 010)2

b) (1604)8
Step 1: Convert each digit to its 3-bit binary equivalent.
1 - 001, 6 - 110, 0 - 000, and 4 - 100
Step 2: Combine the binary equivalents.
(1604)8 = (001 110 000 100)2

c) (423)8
Step 1: Convert each digit to its 3-bit binary equivalent.
4 - 100, 2 - 010, and 3 - 011
Step 2: Combine the binary equivalents.
(423)8 = (100 010 011)2

d) (2417)8
Step 1: Convert each digit to its 3-bit binary equivalent.
2 - 010, 4 - 100, 1 - 001, and 7 - 111
Step 2: Combine the binary equivalents.
(2417)8 = (010 100 001 111)2

To convert an octal number to binary, we simply need to replace each octal digit with its 3-bit binary equivalent. Here are the steps for each of the given integers:

a) (572)8
- The octal expansion has three digits: 5, 7, and 2.
- To convert each digit to binary:
  - 5 = 101 in binary (since 5 = 4 + 1 = 2^2 + 2^0)
  - 7 = 111 in binary (since 7 = 4 + 2 + 1 = 2^2 + 2^1 + 2^0)
  - 2 = 010 in binary (since 2 = 2^1)
- So the binary expansion of (572)8 is 101111010.

b) (1604)8
- The octal expansion has four digits: 1, 6, 0, and 4.
- To convert each digit to binary:
  - 1 = 001 in binary (since 1 = 2^0)
  - 6 = 110 in binary (since 6 = 4 + 2 = 2^2 + 2^1)
  - 0 = 000 in binary
  - 4 = 100 in binary (since 4 = 2^2)
- So the binary expansion of (1604)8 is 001101000100.

c) (423)8
- The octal expansion has three digits: 4, 2, and 3.
- To convert each digit to binary:
  - 4 = 100 in binary (since 4 = 2^2)
  - 2 = 010 in binary (since 2 = 2^1)
  - 3 = 011 in binary (since 3 = 2 + 1 = 2^1 + 2^0)
- So the binary expansion of (423)8 is 100010011.

d) (2417)8
- The octal expansion has four digits: 2, 4, 1, and 7.
- To convert each digit to binary:
  - 2 = 010 in binary (since 2 = 2^1)
  - 4 = 100 in binary (since 4 = 2^2)
  - 1 = 001 in binary (since 1 = 2^0)
  - 7 = 111 in binary (since 7 = 4 + 2 + 1 = 2^2 + 2^1 + 2^0)
- So the binary expansion of (2417)8 is 010010001111.


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We would use two means from independent samples. The design is independent samples because the runners and bikers are two different groups and their participation in one sport does not affect the other.

To answer your question, you would use "two means from independent samples." Here's why:

1. You are comparing the resting heart rates of two separate groups (runners and bikers), which makes them independent samples. Participants were only allowed to participate in one sport, further confirming their independence.

2. You are comparing the average resting heart rates of these two groups, which requires using means rather than proportions. Proportions would be used if you were comparing percentages or ratios.

We would compare the mean resting heart rate of the runners to the mean resting heart rate of the bikers who cover more than 5 miles.
So, the appropriate statistical test for this scenario is a comparison of two means from independent samples.

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The surface area of the figure formed by the composite boxes is given as follows:

1840 in².

The surface area of a rectangular prism of height h, width w and length l is given by:

S = 2(hw + lw + lh).

This means that the area of each rectangular face of the prism is calculated, and then the surface area is given by the sum of all these areas.

For this problem, we have four boxes, with the dimensions given as follows:

12 in, 10 in and 5 in.

Hence the surface area is given as follows:

S = 4 x 2 x (12 x 10 + 12 x 5 + 10 x 5)

S = 1840 in².

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the answer is produced by chatgpt, it is a good study tool, you can take it as reference

(a) The coordinates of the midpoint AC can be found by taking the average of the x-coordinates and the average of the y-coordinates of points A and C. Therefore, the midpoint AC is at:

((2+11)/2, (-1-2)/2) = (6.5,-1.5)

(b) Since ABCD is a parallelogram, the midpoint of BD is also at (6.5,-1.5). Let D have coordinates (x,y). Then the midpoint of BD is:

((6+x)/2, (2+y)/2) = (6.5,-1.5)

Solving for x and y, we get:

x = 7 and y = -5

Therefore, the coordinates of D are (7,-5).

(c) The two diagonals of a parallelogram bisect each other. Since AC is one diagonal and it passes through the midpoint of BD, the equation of AC can be found using the two given points A and C:

Slope of AC = (y2 - y1)/(x2 - x1) = (-2 - (-1))/(11 - 2) = -1/9

Using point-slope form of a line, the equation of AC is:

y - (-1) = (-1/9)*(x - 2)

y = (-1/9)*x + (17/9)

Similarly, the other diagonal BD can be found using the two points B and D:

Slope of BD = (y2 - y1)/(x2 - x1) = (-5 - 2)/(7 - 6) = -7

Using point-slope form of a line, the equation of BD is:

y - 2 = (-7)*(x - 6)

y = -7x + 44

Therefore, the equations of the diagonals of the parallelogram are:

AC: y = (-1/9)*x + (17/9)

BD: y = -7x + 44

The arc length equals 18.85 yd

An arc length is given by L = Ф/360 × 2πr where

To find the arc length of the given circle, given that

So, substituting the values of the variables into the equation, we have that

L = Ф/360 × 2πr

L = 135°/360° × 2π × 8 yd

L = 135°/360° × 16π yd

L = 2160π/360° yd

L = 6785.84 yd/360

L = 18.85 yd

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Answer:

u still on here Delilah?

Step-by-step explanation:

Answer:

It is important to analyze the relationships between a sample and full population for several reasons:

To help make more informed statements about a population: Analyzing the relationships between a sample and full population helps us to make more accurate and informed statements about the population. By examining a sample, we can draw conclusions about the characteristics of the larger population.

To bring diverging data into analysis: Sometimes, a sample may not accurately reflect the larger population, particularly if the sample is small or biased. Analyzing the relationship between the sample and population can help to identify any diverging data and adjust the analysis accordingly.

To limit variance: Variance is a measure of how much the data varies from the mean. By analyzing the relationship between the sample and population, we can better understand the variance and take steps to limit it.

To find out how many data points are necessary to be statistically valid: Analyzing the relationship between the sample and population can help us to determine the sample size needed to be statistically valid. This can help us to avoid drawing inaccurate conclusions based on a sample that is too small.

Overall, analyzing the relationship between a sample and full population is important for ensuring that our analysis is accurate, representative, and informative.

It is important to analyze the relationships between a sample and the full population to limit variance and to help make more informed statements about a population.

Analyzing the relationships between a sample and the full population is important because it helps limit variance in the data and brings diverging data into the analysis. It also helps to determine how many data points are necessary to be statistically valid and make more informed statements about the population.

By examining a sample and comparing it to the full population, we can identify any biases or errors in our data and ensure that our conclusions are accurate and representative of the entire population. Additionally, understanding the relationship between the sample and the population can help us make predictions and draw conclusions with greater confidence and precision.
By understanding the relationship, you can ensure that the sample accurately represents the population, leading to better inferences and decision-making.

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Answer:

0.7 radians

Step-by-step explanation:

The equation for converting radians to degrees is:

X radians * 180/pi = degrees

Plugging in 0.7 radians,

we have 0.7 * 180/pi

= approx 40.1070457 degrees.

40.1070457 > 40 degrees,

so 0.7 radians is greater than 40 degrees

Answer:

To make a profit in the first year of business, the company needs to sell enough small and large cheese pizzas with their respective boxes to generate more revenue than the cost of making and packaging the pizzas.

Similarly, to make a profit in the second year, the company needs to sell enough small and large cheese pizzas with their respective boxes to generate more revenue than the cost of making and packaging the pizzas. Different combinations of pizzas and boxes can be used to achieve a profit, as long as the total revenue generated is greater than the total cost incurred.

Step-by-step explanation:

To find the profit for each combination of boxes and pizzas, we need to subtract the total cost from the total revenue. Let's call the number of small cheese pizzas sold S, the number of large cheese pizzas sold L, the number of small boxes used for the small pizzas B1, and the number of large boxes used for the large pizzas B2. Then, the profit for each year can be calculated as follows:

First year profit:

Total revenue = 9S + 14.25L

Total cost = 2.5S + 0.25B1 + 4.15L + 0.5B2

Profit = Total revenue - Total cost

Profit = 9S + 14.25L - 2.5S - 0.25B1 - 4.15L - 0.5B2

Profit = 6.5S + 10.1L - 0.25B1 - 0.5B2

Second year profit:

Total revenue = 9S + 14.25L

Total cost = 2.5S + 0.25B1 + 4.15L + 0.5B2

Profit = Total revenue - Total cost

Profit = 9S + 14.25L - 2.5S - 0.25B1 - 4.15L - 0.5B2

Profit = 6.5S + 10.1L - 0.25B1 - 0.5B2

To have a profit for the first year, the profit equation should be greater than 0. We can find different combinations of S, L, B1, and B2 that will satisfy this condition. Here are a few examples:

Sell 10 small cheese pizzas and 5 large cheese pizzas. Use 20 small boxes and 10 large boxes.

Profit = 6.5(10) + 10.1(5) - 0.25(20) - 0.5(10) = $55.75

Sell 20 small cheese pizzas and 10 large cheese pizzas. Use 40 small boxes and 20 large boxes.

Profit = 6.5(20) + 10.1(10) - 0.25(40) - 0.5(20) = $111.50

Sell 30 small cheese pizzas and 15 large cheese pizzas. Use 60 small boxes and 30 large boxes.

Profit = 6.5(30) + 10.1(15) - 0.25(60) - 0.5(30) = $167.25

Similarly, to have a profit for the second year, the profit equation should be greater than 0. We can find different combinations of S, L, B1, and B2 that will satisfy this condition. Here are a few examples:

Sell 15 small cheese pizzas and 7 large cheese pizzas. Use 30 small boxes and 15 large boxes.

Profit = 6.5(15) + 10.1(7) - 0.25(30) - 0.5(15) = $89.65

Sell 25 small cheese pizzas and 12 large cheese pizzas. Use 50 small boxes and 24 large boxes.

Profit = 6.5(25) + 10.1(12) - 0.25(50) - 0.5(24) = $166.65

Sell 35 small cheese pizzas and 17 large cheese pizzas. Use 70 small boxes and 34 large boxes.

Profit

The fractions 1/2, 2/4, 3/6, 4/8 and 6/12 are the equivalent fractions.

A fraction represents a part of a whole.

Equivalent fractions are the fractions that have different numerators and denominators but are equal to the same value.

Let the fraction be 1/2

1/2×2/2= 2/4

1/2×3/3=3/6

1/2×4/4=4/8

1/2×5/5=5/10

1/2×6/6=6/12

Hence, the fractions 1/2, 2/4, 3/6, 4/8 and 6/12 are the equivalent fractions.

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Mutually exclusive events are events that cannot occur at the same time. If one event happens, the other event cannot happen

If the events A and B are mutually exclusive, then the probability of either A or B occurring is:

P(A or B) = P(A) + P(B)

Therefore, we can find the probability of (A or B) using the given probabilities

P(A or B) = P(A) + P(B) = 0.17 + 0.33 = 0.5

So the probability of (A or B) is 0.5.

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A graph of each of the function is shown below.

The domain is x = -2, x = 0, x = 1, x = 2.

The range is [-1, -1] U [3, 3].

In Mathematics, a piecewise-defined function is a type of function that is defined by two (2) or more mathematical expressions over a specific domain.

Generally speaking, the domain of any piecewise-defined function simply refers to the union of all of its sub-domains. By critically observing the graph of the given piecewise-defined function, we can reasonably infer and logically deduce that it is constant over the interval x < -2 and x ≥ -2.

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The provided coordinate points A = (-7,9) and B  (-5,3)midpoint is (-1, 6)

The formula for calculating the midpoint of coordinates is expressed as:

M(x,y) = {(x₁+x₂/2, y₁+y₂/2}

Given the following coordinate points

A = (-7,9) B = (-5,3)

Substitute the given parameters into the formula

M(x,y) = {(-7-(-5)/2, 9+3/2}

M(x,y) = {(-7+5/2, 12/2}

M(x,y) = {(-2/2, 12/2}

M(x,y) = (-1, 6)

Hence the midpoint of the given coordinate points is (-1, 6)

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Answer: D

Step-by-step explanation:

typically if something is added on the outside it affects they y, which means it goes up or down

if something is added to the x its left or right

since -5 is on outside shift down.

The correct measure of variability and the data from the line plot, indicates that Bus that is the most consistent, based on the range is the Bus 18

Bus 18, with a range of 16

The range of the values in a dataset is the difference between the maximum and minimum values.

The range and the Interquartile Range, IQR are measures of variability of a line plot

The details of the data indicates;

The range of the Bus 47 is 28 - 4 = 24

The interquartile range of the Bus 47 is = 22 - 10 = 12

The range of the Bus 18 = 22 - 6  = 16

The interquartile range of the Bus 18 = 16 - 9 = 7

Whereby the range and the IQR of the travel times of the Bus 18 are lesser than the range and the IQR, of the travel times of the Bus 47, then the Bus 18 travel times varies less, and therefore is more predictable than the travel times of the Bus 47

The bus that is the most consistent based on the Range is therefore;

Bus 18, with a range of 16

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