A sorted list of numbers contains 128 elements, Which of the following is closest to the maximum number of list elements that can be examined when performing a binary search for a value in the list? A. 2
B. 8 C. 64 D. 128

If function g has a domain of -20 ≤ x ≤ 5 and a range of -5 ≤ g(x) ≤ 45, and that g(0) = -2 and g(-9) = 6 then g(-13) = 20 and  g(-4) = -11 must be true

We are given that the function g has a domain of -20 ≤ x ≤ 5 and a range of -5 ≤ g(x) ≤ 45, and that g(0) = -2 and g(-9) = 6.

A. g(-13) = 20: This statement could be true, as it falls within the given domain and range of the function

B. g(0) = 2

This statement is not true, as we are given that g(0) = -2.

C. g(-4) = -11

This statement could be true, as it falls within the given domain and range of the function

D. g(7) = -1

This statement is not necessarily true or false

Therefore, the statements that could be true for g are A and C.

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Answer: A

Step-by-step explanation:

A.  this is correct, to find your IQR, interquartile range, you break up the numbers into 4 even groups listed in numerical order

16    40    49   130    200     210

         |           |              |

The lines under the numbers represent the 4 even groups

The IQR is the upper quartile(where last line is) - lower quartile (where last line is(where first line is)

IQR=200-40=160

B. is wrong, range is last number - first  (210-16)=194 not 160

C. is wrong, we found the IQR to be 160 not 194

D. is wrong,  MAD, mean absolute deviation, is the average of the distance from the mean

mean/average of all = 107.5  I added all and divided by how many (6)

MAD means subtract each number from the average and divide by how many  

= [(107.5-16)+(107.5-40)+(107.5-49)+(130-107.5)+(200-107.5)+(210-107.5)]/6

=72.5

Answer: 51

Step-by-step explanation:

By adding the color frequency of each color, you can find that the spinner was originally spun a total of 70 times. Now you can use this to create an equality equation to find how many times you may land on purple. It would look something like this:

[tex]\frac{12}{70}=\frac{x}{300}[/tex]

Now, with this, you can calculate what the answer would be by solving the inequality. You can cross multiply the equality and turn it into this:

[tex]12\cdot300=70\cdot x[/tex]

Now you can divide out the 12 from both sides, and you are given this:

[tex]\frac{\left(12\cdot300\right)}{12}=\frac{\left(70\cdot x\right)}{12}[/tex]

Which gives you this when simplified:

[tex]300=\left(\frac{70}{12}\right)\cdot x[/tex]

You can simplify 70/12 to be 35/6

and you are given this:

[tex]300=\left(\frac{35}{6}\right)\cdot x[/tex]

Now you can remove the parenthesis

[tex]300=\frac{35}{6}\cdot x[/tex]

Multiply both sides by 6:

[tex]300\cdot6=\frac{35}{6}\cdot6\cdot x[/tex]

Simplify to this:

[tex]1800=35\cdot x[/tex]

Now, the final step is to divide both sides by 35:

[tex]\frac{1800}{35}=\frac{\left(x\cdot35\right)}{35}[/tex]

And the final answer is

[tex]51.4285714286=x[/tex]

and since you are rounding to the nearest whole number, you can turn it into this: 51=x

It will take approximately 23.3 years for Caleb's account to grow to $12,700 with 3% simple interest, assuming he makes no withdrawals or deposits during that time.

To solve this problem, we need to use the formula for simple interest:

I = P * r * t

where I is the interest earned, P is the principal (the initial amount invested), r is the interest rate, and t is the time period.

We know that Caleb invests $10,000 and earns 3% simple interest. So,

I = 10,000 * 0.03 * t

Simplifying this expression, we get:

I = 300t

Now, we need to find out how long it will take for the account to grow to $12,700. That means the total amount in the account will be the principal plus the interest:

P + I = 12,700

Substituting the expression for I that we found above, we get:

10,000 + 300t = 12,700

Solving for t, we get:

t = 23.3

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The critical point of the two-dimensional system x' = Ax is asymptotically stable if all eigenvalues of matrix A have negative real parts, stable if all eigenvalues have non-positive real parts, and unstable if there exists at least one eigenvalue with a positive real part.

In a two-dimensional system described by x' = Ax, the stability of the critical point is determined by the eigenvalues of the matrix A. If all eigenvalues have negative real parts, the critical point is asymptotically stable, meaning the system will converge to the critical point as time goes to infinity.

If all eigenvalues have non-positive real parts (including zero), the critical point is stable, indicating that the system trajectories will remain bounded but may not necessarily converge to the critical point. Finally, if there exists at least one eigenvalue with a positive real part, the critical point is unstable, and the system trajectories will diverge away from the critical point over time.

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The resultant of the vector is 25 units.

The resultant of the vector is calculated as follows;

The given vector, v = 24i - 7j

The resultant of the vector is calculated by applying the following formula as shown below;

v = √ (vx² + vy² )

where;

The resultant of the vector is calculated as;

v = √ (24² + (-7)² )

v = 25 units

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The rate of the river current is 5 mph.
Let x represent the rate of the river current. When Kellen travels upstream, she goes against the current, so her effective speed will be (15 - x) mph. When she travels downstream, she goes with the current, so her effective speed will be (15 + x) mph.

We're given that the time it takes to travel 2 miles upstream is the same as the time it takes to travel 4 miles downstream. We can express time as distance divided by speed.

So, we have the equation:

(2 mi) / (15 - x) = (4 mi) / (15 + x)

Now, we need to solve for x:

Cross-multiply:

2(15 + x) = 4(15 - x)

Distribute:

30 + 2x = 60 - 4x

Add 4x to both sides:

6x = 30

Divide by 6:

x = 5

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Public opinion researchers analyze polls conducted on small samples from those populations to estimate the opinions of large populations. The correct answer is b.

They use various sampling techniques to ensure the sample is representative of the population, and then analyze the results to make inferences about the opinions of the larger group. Survey sampling, as used in statistics, is the process of choosing a sample of constituents from a target population to perform a survey. The word "survey" can be used to describe a wide range of observational methods or procedures.

Most frequently, a questionnaire meant to assess people's traits and/or opinions is employed in survey sampling. The topic of survey data collecting is various methods of contacting sample participants after they have been chosen. Sampling is done to cut down on the expense and/or labor required to survey the complete target population. Therefore option b. is the correct answer.

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The given function is f(x) = 2(3x) = 6x.

The domain of the function is all real numbers since there are no restrictions on the input x. Therefore, the correct answer is:

Domain: (-∞, ∞)

To find the range, we can consider the fact that the function is a linear function with a positive slope of 6. This means that the output values increase as the input values increase.

The lowest possible output value occurs when x = 0, which gives f(0) = 0. As x increases, the output values increase without bound. Therefore, the range of the function is:

Range: (0, ∞)

So, the correct answer is:

Domain: (-∞, ∞)

Range: (0, ∞)

Therefore, the vector form of the given equation is y = 2(x - 2)² + 1.

To change the standard form of a quadratic equation, y = ax² + bx + c, to the vertex form, y = a(x - h)² + k, we need to complete the square. The vertex form provides a way to quickly identify the vertex, or the minimum or maximum point, of the parabola.

In the given example, we have the standard form y = 2x² - 8x + 9, and we want to convert it to the vertex form y = a(x - h)² + k.

First, we factor out the coeffi

y = 2x² - 8x + 9

 = 2(x² - 4x) + 9

 = 2(x² - 4x + 4 - 4) + 9  // Add and subtract (b/2a)^2

 = 2((x - 2)² - 4) + 9     // Factor and simplify

 = 2(x - 2)² + 1           // Distribute and simplify

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The exact value of sin (A-B) in simplest form for positive acute angle A and B is found to be 221/1445.

We can use the trigonometric identity sin(A - B) = sinAcosB - cosAsinB to find the exact value of sin(A - B) for positive acute angles.

From the given information, we know that cosA = 4/5 and sinB = 8/17. Using identities, sin²A + cos²A = 1 and sin²B + cos²B = 1:

sinA = √(1 - cos²A)

= √(1 - (4/5)²)

= 3/5

cosB = √(1 - sin²B)

= √(1 - (8/17)²)

= 15/17

Now, we can substitute these values into the identity:

sin(A - B) = sinAcosB - cosAsinB

sin(A - B) = (3/5)(15/17) - (4/5)(8/17)

sin(A - B) = 9/17 - 32/85

sin(A - B) = (765 - 544)/1445

sin(A - B) = 221/1445

Therefore, the exact value of sin(A - B) in simplest form is 221/1445.

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If a rectangular retaining wall has an area of 48 square feet and the height of the wall is two feet less than its length, then the height and the length of the wall are 6 feet and 8 feet respectively.

A rectangle is a 2-Dimensional shape with 4 sides and parallel sides that are equal to one another. It has 4 angles and is of the magnitude of 90° each.

The area of a rectangle wall is given as

A = l * b

where l is the length

b is the breadth

Let the height of the wall be x

According to the question,

The length of the wall is x + 2

Area = 48

x (x + 2) = 48

[tex]x^{2} +2x[/tex] = 48

[tex]x^2+2x-48=0[/tex]

[tex]x^2+8x-6x-48=0[/tex]

x (x + 8) - 6 (x +8) = 0

(x + 8)(x - 6) = 0

x = -8 or 6

Since height can not be negative, thus the height is 6 feet

The length of the rectangle is 6 + 2 is 8 feet.

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The requried sine function with an amplitude of 4, a midline of y = 2, and a period of 2π/3 is y = 4 sin (3x) + 2.

The general form of a sine function is:

y = A sin (Bx - C) + D

Given that the amplitude is 4 and the midline is at y = 2, we have A = 4 and D = 2.

The period is 2π/3, which means that the coefficient of x (B) is given by:

B = 2π / (2π/3) = 3

To find the horizontal shift C, we need to know the starting point of the sine wave. Let's assume that the starting point is at the origin (0, 0), which means that C = 0.

Putting all of this together, we get:

y = 4 sin (3x)

Therefore, the requried sine function with an amplitude of 4, a midline of y = 2, and a period of 2π/3 is y = 4 sin (3x) + 2.

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Answer:

y = 3x + 15

Step-by-step explanation:

The slope-intercept form is y = mx + b

m = the slope

b = y-intercept

Slope = rise/run or (y2 - y1) / (x2 - x1)

Points (-3,6) (-2,9)

We see the y increase by 3 and the x increase by 1, so the slope is

m = 3

Y-intercept is located at (0,15)

So, the equation is y = 3x + 15

Total amount Ming pays the cab driver is $25.96. Ming took a cab across town and his fare was $22. He also leaves an 18% tip.

To calculate the total amount Ming pays the cab driver, we need to find the tip amount and add it to the fare.

Tip amount = Fare * Tip percentage
Tip amount = $22 * 18%

First, convert 18% to decimal by dividing by 100:
18% ÷ 100 = 0.18

Now, calculate the tip amount:
Tip amount = $22 * 0.18
Tip amount = $3.96

Finally, add the tip amount to the fare:
Total amount = Fare + Tip amount
Total amount = $22 + $3.96
Total amount = $25.96

So, the total amount Ming pays the cab driver is $25.96.

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From the equation: y= B0+B1x1+B2x2+u. It should be noted that B1 impliea b. measure the partial effect of x1 on y.

The regression equation presented showcases B1 as the coefficient of x1 that signifies the partial effect of x1 on y when considering x2 to remain constant.

By increasing only x1 by one unit, whilst keeping all other variables in the equation unchanging, the projected change in terms of result is logically denoted by the value of B1. Thus this indicates that B1 embodies the subsidiary impact of x1 on y and nothing else.

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For the series, the ratio test is inconclusive.
For the series, the ratio test is conclusive and implies convergence.
For the series, the ratio test is conclusive and implies divergence.
For the series, the ratio test is conclusive and implies convergence.

For each of the given series, we need to apply the ratio test to determine its convergence or divergence.

The ratio test states that if the limit of the absolute value of the ratio of consecutive terms in the series is less than 1, then the series converges. If the limit is greater than 1, then the series diverges. If the limit is equal to 1, then the test is inconclusive, and we need to try other methods.

Let's apply this test to each series:

1. For the series, the ratio test is inconclusive because the limit of the absolute value of the ratio of consecutive terms is 1.

2. For the series, the ratio test is conclusive and implies convergence because the limit of the absolute value of the ratio of consecutive terms is less than 1.

3. For the series, the ratio test is conclusive and implies divergence because the limit of the absolute value of the ratio of consecutive terms is greater than 1.

4. For the series, the ratio test is conclusive and implies convergence because the limit of the absolute value of the ratio of consecutive terms is less than 1.

Therefore, the answers are:

For the series, the ratio test is inconclusive.
For the series, the ratio test is conclusive and implies convergence.
For the series, the ratio test is conclusive and implies divergence.
For the series, the ratio test is conclusive and implies convergence.

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The fraction that represents the part of the whole cake each child receives is 4/25

from the question, we have the following parameters that can be used in our computation:

Five children divide 4/5 of a cake equally

The fraction that represents the part of the whole cake each child receives is calculated as

Fraction = 4/5 divided by 5

Mathematically, this can be represented as

Fraction = (4/5)/5

When the fraction is then evaluated, we have the solution to be

Fraction = 4/25

Hence, the solution is 4/25

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Area = 50.27 cm²

Circumference = 25.13 cm

The relationship between the diameter and other values of a circle can help us solve for unknown values.

Area

In order to solve for the area, we need to find the radius. The radius is always half of the diameter.

This means that the radius is 4 cm. Then, we can solve for area using the formula, A = πr², where r is the radius. So, plug 4 in and solve. For this calculation, I will not be rounding pi.

Rounded to 2 decimal places, the area of the circle is 50.27cm². If you round pi to 3.14 before doing the calculation, the answer will be 50.24cm².

Circumference

Now, we can solve for circumference. The formula for circumference is C = 2πr, where r is the radius.

Rounding to 2 decimal places, the circumference of the circle is 25.13 cm. Note that I did not preround pi. If you do preround and use 3.14 for pi, the answer will be 25.12cm.

If you have 367 people there are at least 2 that were born on the same day of the year.There must be at least 2 that were born on the same day of the year.

To prove by contradiction that if you have 367 people, there are at least 2 that were born on the same day of the year, follow these steps:

1. Assume the opposite of what we want to prove, i.e., all 367 people were born on different days of the year.

2. We know that there are only 365 possible days in a year (ignoring leap years). So, if 367 people were all born on different days, that would mean there are at least 367 unique days in a year.

3. This assumption contradicts the fact that there are only 365 days in a year, which is a contradiction.

4. Since we've reached a contradiction, our original assumption must be incorrect.

Thus, if you have 367 people, there must be at least 2 that were born on the same day of the year.

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The opposite of the assumption (i.e., what you want to prove) must be true.

Assume that there are 367 people and none of them were born on the same day of the year.

There are 365 days in a year, so if no two people were born on the same day, then the first person could have been born on any day, the second person could have been born on any of the remaining 364 days, the third person could have been born on any of the remaining 363 days, and so on.

Therefore, the number of possible ways for 367 people to be born on different days of the year is: 365 x 364 x 363 x ... x 2 x 1 / (367 x 366 / 2)

Simplifying this expression gives: 365 x 364 x 363 x ... x 2 x 1 / 183,055

This is a very large number, approximately equal to 2.8 x 10^782.

However, this is greater than the total number of people who have ever lived on Earth, which is estimated to be around 108 billion.

Therefore, it is impossible for 367 people to be born on different days of the year, and our initial assumption must be false.

Thus, we can conclude that if you have 367 people, there are at least 2 that were born on the same day of the year.

Step 1: Assume the opposite of what you want to prove.

Step 2: Use logical reasoning to derive a consequence of the assumption.

Step 3: Show that the consequence is inconsistent with what is known to be true.

Step 4: Conclude that the assumption must be false, and therefore, the opposite of the assumption (i.e., what you want to prove) must be true.

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A biased coin is one where the probability of getting heads or tails is not equal. In this case, the coin is biased such that heads are three times more likely than tails. To determine the expected total number of heads when the coin is flipped five times, we can use the concept of probability and expected value.

First, let's find the probability of getting heads (P(H)) and tails (P(T)). Since heads are three times more likely than tails, we can represent this as a ratio: 3:1. The total number of outcomes is 3 + 1 = 4. Thus, the probability of getting heads is P(H) = 3/4, and the probability of getting tails is P(T) = 1/4.

Now, let's find the expected value. The expected value (EV) is the sum of the probabilities of each outcome multiplied by the value of that outcome. In this case, the value is the number of heads obtained. Since we are flipping the coin five times, the possible number of heads is between 0 and 5. For simplicity, we will only calculate the expected number of heads after one flip, and then multiply it by the total number of flips (5).

Expected number of heads after one flip (EV) = P(H) * 1 + P(T) * 0 = (3/4) * 1 + (1/4) * 0 = 3/4

Now, multiply the expected number of heads after one flip by the total number of flips (5) to find the expected total number of heads:

Expected total number of heads = EV * 5 = (3/4) * 5 = 15/4 = 3.75

So, the expected total number of heads when flipping the biased coin five times is 3.75.

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The sentence into an inequality is written as;

⇒ 3 + 9y > - 20

We have to given that;

The expression is,

Three increased by the product of a number and 9 is greater than -20.

Now, Let the unknown number is,

⇒ y

Hence, We can formulate the inequality as;

⇒ 3 + (9 × y) > - 20

⇒ 3 + 9y > - 20

Thus, The sentence into an inequality is written as;

⇒ 3 + 9y > - 20

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Answer:

(x - 5)(x + 1)

Step-by-step explanation:

Use the sum product pattern:

x^2 - 4x - 5

x^2 + x - 5x - 5

Common factor from the two pairs:

(x^2 + x) + (5x - 5)

x(x + 1) - 5(x + 1)

Rewrite in factored form:

x(x + 1) - 5(x + 1)

(x - 5)(x + 1)

Answer:

Correct statements:

Since it is a ratio of two integers, 8/12 is rational.

Since 64 is a perfect square, √64 is rational.

The inverse of the given function; f(x) = 3x + 6 as required to be determined is; f-¹(x) = (x - 6) / 3.

It follows from the task content that the inverse of the given function; f (x) = 3x + 6 is to be determined.

First, let y represent f(x) and then make x the subject of the formula;

Therefore, we have;

y = 3x + 6

y - 6 = 3x

x = (y - 6) / 3.

Ultimately, interchange the variables x and y and finally replace y with f-¹(x) so that we have;

y = (x - 6) / 3

f-¹(x) = (x - 6) / 3

Therefore, the inverse function as required is; f-¹(x) = (x - 6) / 3.

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Answer:

58°

Step-by-step explanation:

The internal angles of a triangle add up to 180°. We know that one of the angles is 90° and the other is 32°, so add up 90° and 32° and subract from 180°

90°+32°=122°

180°-122°= 58°

a) It is a vertical dilation of scale factor of 5.

b) It is a translation up of 10 units.

Here we have the line:

S(d) = 5d + 10

That represents the cost for renting the surboard for d days.

Remember that the parent linear function is y =x

A) 5 in this case is the slope, it says how much the cost for the rental increases for each day that passes. The effect on the linear parent function is a dilation of scale factor of 5.

B) 10 is the y-intercept, so this will represent a translation up of 10 units.

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A linear function can be used to model this relationship is: Option A:

y = -13.5x + 97.8

From the given data and graph, we see that:

When x = 0, y = 100

When x = 1, y = 86

When x = 2, y = 65

When x = 3, y = 59

When x = 4, y = 41

When x = 5, y = 34

The general form of the equation of a line in slope intercept form is:

y = mx + c

where:

m is slope

c is y-intercept

Looking at the given options, the closest y-intercept to 100 is 97.8 given by option A and as such it is the best estimate of the line of best fit.

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Answer:

the maximum value is 6.96

Step-by-step explanation:

the minimum value is -6.96