PLS HELP ASAP I DONT UNDERSTAND SLOPE

PLS HELP ASAP I DONT UNDERSTAND SLOPE

Answers

Answer 1

Answer:

get a ruler, draw a line trough a to b and count the rise and run

Step-by-step explanation:


Related Questions

Which of the following statements about the work shown below is true?
(x - 1) (4 x + 2)
=x ( x - 1 ) + 1 ( 4 x + 2)
=x^2 - x + 4x + 2
=x^2 + 3x + 8

A. The distributive property was not applied correctly in the first step.
B. The distributive property was not applied correctly in the second step.
C. Like terms were not combined correctly.
D. No mistake has been made.

Answers

The statement that is true about using the distributive property on the expression is: A. The distributive property was not applied correctly in the first step.

How to use the distributive Property?

According to the distributive property, multiplying the sum of two or more addends by a number produces the same result as when each addend is multiplied individually by the number and the products are added together.

Similarly, multiplying the product of two or more addends by a number produces the same result as when each addend is multiplied individually by the number and the products are multiplied together.

For example:

a(b + c) = ab + ac

Thus:

(x - 1)(4x + 2) = x(4x + 2) - 1(4x + 2)

Thus, in the first step, they got it wrong

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=
5
9
(


32
)

The equation above shows how temperature

, measured in degrees Fahrenheit, relates to a temperature

, measured in degrees Celsius. Based on the equation, which of the following must be true?

A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of
5
9
degree Celsius.
A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit.
A temperature increase of
5
9
degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius.
A) I only
B) II only
C) III only
D) I and II only


HELPPPPP MEEEE

Answers

The correct option is D. To solve the problem of Temperature we use formula °Fahrenheit = (9/5)C + 32,celsius = (°F - 32) * 5/9

What is Temperature?

Temperature is a measure of the degree of hotness or coldness of a body or environment, often measured in units such as Celsius or Fahrenheit.

What is Fahrenheit and celsius?

Fahrenheit and Celsius are two scales used to measure temperature. Fahrenheit is commonly used in the United States and its territories, while Celsius is used in most other parts of the world. The boiling point of water is 212°F or 100°C, and the freezing point of water is 32°F or 0°C on the Fahrenheit and Celsius scales, respectively.

According to the given information:

From the given equation:

°F = (9/5)C + 32

We can see that an increase of 1 degree Fahrenheit is equivalent to an increase of (9/5) degree Celsius, as the coefficient of C is 9/5. Therefore, statement I is true.

To determine if statement II is true, we can rearrange the equation to solve for C:

C = (°F - 32) * 5/9

So an increase of 1 degree Celsius is equivalent to an increase of (5/9) degree Fahrenheit temperature, as the coefficient of °F is 5/9. Therefore, statement II is also true.

However, statement III is not true, as an increase of (5/9) degree Fahrenheit is equivalent to an increase of 5/9 * 9/5 = 1 degree Celsius, not (5/9) degree Celsius.

Therefore, the answer is (D) I and II only.

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Find a formula for the general term a, of the sequence, assuming that the pattern of the first few terms continues. (Assume that n begins with 1.) (3, 10, 17, 24,31,. J. 3 points CaE12 8 1016 My Notes As Determine whether the sequence converges or diverges. If it converges, find the limit. (If an answer does not exist, enter DNE.) lim an

Answers

Answer:

an = 3 +7(n -1)diverges, limit DNE

Step-by-step explanation:

Given the sequence that starts 3, 10, 17, 24, 31, ..., you want a formula for the n-th term, and its sum if it converges.

N-th term

The terms of the sequence given have a common difference of 7. That means it is an arithmetic sequence. The n-th term is ...

  an = a1 +d(n -1) . . . . . . . . where a1 is the first term and d is the difference

For first term 3 and common difference 7, the n-th term is ...

  an = 3 +7(n -1)

Limit

An arithmetic sequence never converges. Its limit does not exist (DNE).

calculate the mean, median, q1, q3. what is the relationship between the mean and the median and why?

Answers

To calculate the mean, median, q1, and q3, you will need a set of data. Once you have the data, you can find the mean by adding up all the numbers and dividing by the total number of values. The median is the middle value of the data set when it is arranged in order from lowest to highest. Q1 is the value that separates the bottom 25% of the data from the top 75%, while Q3 separates the top 25% from the bottom 75%.

The relationship between the mean and the median can tell you about the distribution of the data. If the mean is equal to the median, then the data is evenly distributed. If the mean is greater than the median, then the data is skewed to the right, meaning that there are a few high values that are affecting the overall average. If the mean is less than the median, then the data is skewed to the left, meaning that there are a few low values that are affecting the overall average.
To calculate the mean, median, Q1, and Q3, follow these steps:

1. Mean: Add all the values in your dataset and divide by the total number of values.
2. Median: Arrange the values in ascending order, then find the middle value. If there are two middle values, take their average.
3. Q1: Find the median of the lower half of the dataset, excluding the overall median if there's an odd number of values.
4. Q3: Find the median of the upper half of the dataset, excluding the overall median if there's an odd number of values.

The relationship between the mean and the median helps identify the skewness of the dataset. If the mean is greater than the median, the dataset is right-skewed, indicating more high-value outliers. If the mean is less than the median, the dataset is left-skewed, indicating more low-value outliers. If the mean and median are approximately equal, the dataset is likely symmetric with no skewness. This relationship helps understand the overall distribution of the data.

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Pls help me with this question whoever

Answers

Based on the information, No, Rayen's statement is not correct.

How to calculate the expression

The expression 6(3 + 5) yields a simplified result of 6(8) = 48, which reflects the total servings acquired from eight batches.

In the first week, 18 servings were made, which converts to 3 batches (breaking down to 3 batches x 6 servings per batch = 18 servings). Similarly, for the second week, 30 servings are attained, equivalent to 5 batches (5 batches x 6 servings per batch = 30 servings).

So the entirety of batches created during these two weeks amounts to 3 + 5 = 8, summing up the complete number of servings processed being 18 + 30 = 48. Consequently, the truth is that the expression 6(3 + 5) is not representative of either the number of batches yielded each week or the absolute number of servings constructed.

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create an equation that models the total amount of money that Madison spends on fruit

Answers

Answer: 2.15g+0.75w=20.35

Step-by-step explanation:

Since we're creating an equation, we know it has to have an = sign. The total amount of money spent on g pounds of grapes and w pounds of watermelon is $2-.35, so we know that's going to be on the opposite side of the equal to sign. $2.15 is what a pound of g costs, so a g pounds of grapes would cost 2.15g. I used the same reasoning for the watermelons too to get 2.15g + 0.75w.

Answer:

2.15g+0.75w=20.35

Step-by-step explanation:

sorry im in a rush bye gtg :D

find the open intervals on which the function f(x)=−9x2 8x 10 is increasing or decreasing.

Answers

The function f(x) = -9x^2 + 8x + 10 is increasing on the interval (-∞, 4/9) and decreasing on the interval (4/9, ∞)

To find the open intervals on which the function f(x) = -9x^2 + 8x + 10 is increasing or decreasing, we need to find its first derivative and determine its sign over different intervals.

f(x) = -9x^2 + 8x + 10

f'(x) = -18x + 8

Setting f'(x) = 0, we get:

-18x + 8 = 0

x = 8/18 = 4/9

The critical point of the function is x = 4/9.

Now, we can determine the sign of f'(x) for x < 4/9 and x > 4/9 by testing a value in each interval.

For x < 4/9, let's choose x = 0:

f'(0) = -18(0) + 8 = 8 > 0

This means that f(x) is increasing on the interval (-∞, 4/9).

For x > 4/9, let's choose x = 1:

f'(1) = -18(1) + 8 = -10 < 0

This means that f(x) is decreasing on the interval (4/9, ∞).

Therefore, the function f(x) = -9x^2 + 8x + 10 is increasing on the interval (-∞, 4/9) and decreasing on the interval (4/9, ∞).

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A researcher records the following scores for attention during a video game task for two samples. Which sample has the largest standard deviation?
Sample A: 10, 12, 14, 16, and 18
Sample B: 20, 24, 28, 32, and 36
Sample A
Sample B
Both samples have the same standard deviation.

Answers

A researcher records the following scores for attention during a video game task for two samples. Sample B has the largest standard deviation.

To determine which sample has the largest standard deviation, we need to calculate the standard deviation for both Sample A and Sample B.

Step 1: Calculate the mean (average) of each sample
Sample A: (10+12+14+16+18)/5 = 70/5 = 14
Sample B: (20+24+28+32+36)/5 = 140/5 = 28

Step 2: Calculate the squared differences from the mean in score
Sample A: (4²+2²+0²+2²+4²) = (16+4+0+4+16)
Sample B: (8²+4²+0²+4²+8²) = (64+16+0+16+64)

Step 3: Calculate the average of the squared differences
Sample A: (16+4+0+4+16)/5 = 40/5 = 8
Sample B: (64+16+0+16+64)/5 = 160/5 = 32

Step 4: Take the square root of the average squared differences to find the standard deviation
Sample A: √8 ≈ 2.83
Sample B: √32 ≈ 5.66

Based on the calculated standard deviations, Sample B has the largest standard deviation. So, the answer is Sample B.

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Is W a subspace of the vector space? W is the set of all matrices in Mn,n with zero determinants

Answers

W is not a subspace of the vector space of all matrices in Mn,n.

To determine if W is a subspace of the vector space:

We need to check if W meets the criteria of a subspace.
To be a subspace of a vector space, W must satisfy three conditions:
1. W must contain the zero matrix.
2. W must be closed under vector addition.
3. W must be closed under scalar multiplication.
Let's examine each condition for W:
1. W contains the zero matrix: The zero matrix has a determinant of 0, so it is included in W.
2. W is closed under vector addition: If A and B are matrices in W with zero determinants, their sum,

A + B, should also have a zero determinant to be in W.

The determinant property for sums of matrices doesn't guarantee that det(A+B) = det(A) + det(B), so we can't guarantee that W is closed under vector addition.
Since W fails to meet the second condition, it is not a subspace of the vector space of all matrices in Mn,n.

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Help
Please now ASAPpppp

Answers

The area of the given hexagon is 419.1 square units

Calculating the area of a hexagon

From the question, we are to determine the area of the given hexagon.

The area of a  hexagon is given by the formula,

Area = 1/2 Apothem × Perimeter

From the given information,

Apothem = 11

Now, we will determine the perimeter

First, we need to find the length of  a side

Let the length of a side be s and half the length be x

Then,

tan (30°) = x / 11

x = 11 × tan(30)

x = 6.35

Length of a side = 6.35 × 2

Length of a side = 12.70

Thus,

Area = 1/2 Apothem × Perimeter

Area = 1/2 × 11 × 6 × (12.70)

Area = 419.1 square units

Hence,

The area is 419.1 square units

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use polynomial fitting to find the formula for the nth term of the sequence (an)n≥0 which starts at 2, 5 ,11, 21, 36

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The formula for the nth term of the sequence (an)n≥0, which starts at 2, 5, 11, 21, 36, is an = n^4 - 3n^3 + 5n^2 - n + 2.

To use polynomial fitting to find the formula for the nth term of the sequence (an)n≥0 which starts at 2, 5, 11, 21, 36, follow these steps:

1. List the terms with their corresponding indices (n values): (0, 2), (1, 5), (2, 11), (3, 21), (4, 36).

2. Since there are 5 terms, assume a 4th-degree polynomial of the form: an^4 + bn^3 + cn^2 + dn + e.

3. Substitute the indices and corresponding terms into the polynomial and form a system of linear equations:

  e = 2
  a + b + c + d + e = 5
  16a + 8b + 4c + 2d + e = 11
  81a + 27b + 9c + 3d + e = 21
  256a + 64b + 16c + 4d + e = 36

4. Solve the system of linear equations:

  a = 1, b = -3, c = 5, d = -1, e = 2

5. Substitute these values back into the polynomial:

  a_n = n^4 - 3n^3 + 5n^2 - n + 2

So, the formula for the nth term of the sequence (an)n≥0, which starts at 2, 5, 11, 21, 36, is: an = n^4 - 3n^3 + 5n^2 - n + 2.

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a right triangle has legs of 12 inches and 16 inches whose sides are changing. the short leg is decreasing by 2 in/sec and the long leg is growing at 5 in/sec. what is the rate of change of the hypotenuse? O-0.8 inch/sec O 16 inch/sec O 11.2 inch/sec O-0.2 inch/sec

Answers

the correct option is [tex]11.2 inch/sec[/tex] , as it represents the rate of change of the hypotenuse with the correct sign. Thus, option C is correct.

What is the change of the hypotenuse?

Let's denote the short leg by 'x' and the long leg by 'y'. The given information states that   [tex]dx/dt = -2[/tex] in/sec (since the short leg is decreasing by 2 in/sec) and dy/dt = 5 in/sec (since the long leg is growing at 5 in/sec).

We can use the Pythagorean theorem to relate the short leg, long leg, and hypotenuse of the right triangle:

[tex]x^2 + y^2 = h^2[/tex]

where 'h' represents the length of the hypotenuse.

Differentiating both sides of the equation with respect to time 't', we get:

[tex]2x(dx/dt) + 2y(dy/dt) = 2h(dh/dt)[/tex]

Substituting the given values for [tex]dx/dt, dy/dt, x,[/tex] and  [tex]y,[/tex] we have:

[tex]2(12)(-2) + 2(16)(5) = 2h(dh/dt)[/tex]

Simplifying, we get:

[tex]-48 + 160 = 2h(dh/dt)[/tex]

[tex]112 = 2h(dh/dt)[/tex]

Dividing both sides by 2h, we get:

[tex](dh/dt) = 112/(2h)[/tex]

We can now plug in the given values for x and y to find h:

[tex]x = 12 in[/tex]

[tex]y = 16 in[/tex]

Using the Pythagorean theorem, we can solve for h:

[tex]h^2 = x^2 + y^2[/tex]

[tex]h^2 = 12^2 + 16^2[/tex]

[tex]h^2 = 144 + 256[/tex]

[tex]h^2 = 400[/tex]

[tex]h = \sqrt400[/tex]

h = 20 in

Now, substituting the value of h into the equation for  [tex](dh/dt),[/tex] we get:

[tex](dh/dt) = 112/(2\times 20)[/tex]

[tex](dh/dt) = 112/40[/tex]

[tex](dh/dt) = 2.8 in/sec[/tex]

So, the rate of change of the hypotenuse is 2.8 in/sec. However, note that the question asks for the rate of change of the hypotenuse with the correct sign, indicating whether it is increasing or decreasing.

Since the long leg is growing at 5 in/sec and the short leg is decreasing at 2 in/sec.

the hypotenuse must be increasing at a rate of 2.8 in/sec (as the change in the long leg is dominating over the change in the short leg).

Therefore, the correct option is  [tex]11.2 inch/sec,[/tex] as it represents the rate of change of the hypotenuse with the correct sign.

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Approximate the sum of the series correct to four decimal places. (-1)^n-1 n^2/10^n

Answers

The sum of the series is 0.0901.

The formula for the sum of an infinite geometric series is:

S = a/(1-r)

where S is the sum of the series, a is the first term = 1/10, and r is the common ratio = -1/10

So,

S = (1/10)/(1-(-1/10)) = (1/10)/(11/10) = 1/11

To approximate the sum correct to four decimal places, we need to evaluate the series up to a certain number of terms that gives us an error of less than 0.00005. To do this, use the formula for error of an alternating series:

|E| <= |a_n+1|, where a_n+1 is the first neglected term

In this case:

a_n+1 = (-1)^n+1 (n+1)^2/10^(n+1)

To find the number of terms, we can use the inequality:

|a_n+1| < 0.00005

Solving for n gives:

(-1)^n+1 (n+1)^2/10^(n+1) < 0.00005

Taking the logarithm of both sides and simplifying gives:

n > 5.623

So we need to evaluate the series up to n=6 to get an error of less than 0.00005. Evaluating the series up to n=6 gives:

S = 1/10 - 4/100 + 9/1000 - 16/10000 + 25/100000 - 36/1000000 + 49/10000000

S = 0.090123

Therefore, the sum of the series correct to four decimal places is approximately 0.0901.

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in a recent survey, a random sample of 320 married couples were asked about their education levels. 41 couples reported that at least one of the partners had a doctorate degree. use a calculator to find the value of z that should be used to calculate a confidence interval for the percentage or married couples in which at least one partner has a doctorate with a 95% confidence level. round your answer to three decimal places.

Answers

The value of z for a 95% confidence interval is approximately 1.960, rounded to three decimal places.

To find the value of z for a 95% confidence level, we can use the standard normal distribution table or a calculator.
Therefore,

The value of z that should be used to calculate a confidence interval for the percentage of married couples in which at least one partner has a doctorate with a 95% confidence level is:
z ≈ 1.96
To find the value of z for a 95% confidence interval, you will use the standard normal distribution table or a calculator with a built-in function.
For a 95% confidence interval, you want to find the z-score that corresponds to the middle 95% of the distribution, which leaves 2.5% in each tail.

Look for the z-score that corresponds to the 0.975 percentile (1 - 0.025) in the table or calculator.
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write the number 27.4395395… = 27.4395 as a ratio of two integers discrete math

Answers

27.4395395... = 27.4395 can be written as the ratio of two integers 274395/10000.

How to write the number as a ratio of two integers?

Let x = 27.4395395...

We can write this as the sum of the integer 27 and the decimal part 0.4395395...:

x = 27 + 0.4395395...

To convert this to a ratio of two integers, we can multiply both sides by 10000 to eliminate the decimal point:

10000x = 270000 + 4395.395...

Now we can subtract 270000 from both sides:

10000x - 270000 = 4395.395...

Next, we can multiply both sides by 10 to eliminate the decimal point in the right-hand side:

100000x - 2700000 = 43953.955...

Finally, we can subtract 43953 from both sides:

100000x - 2700000 - 43953 = 0.955...

Now we have the number x expressed as a ratio of two integers:

x = (2700000 + 43953)/100000 = 274395/10000

Therefore, 27.4395395... = 27.4395 can be written as the ratio of two integers 274395/10000.

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can xomeone pls helper me with thiss

Answers

Answer:

3/4(three fourths)

Step-by-step explanation

ABCD --> A'B'C'D

BC --> B'C

12 --> 9

12x3/4(Three fourths) =9

9/12(nine tweelths) = 3/4(Three fourths)

This isnt the best way to explain but hopefully you understand

What is the value of the constant of variation when y varies inversely as x and the following are true y = 5 and x = 2?​

Answers

Answer:

k = 10

Step-by-step explanation:

given y varies inversely as x then the equation relating them is

y = [tex]\frac{k}{x}[/tex] ← k is the constant of variation

to find k use the condition that y = 5 when x = 2

5 = [tex]\frac{k}{2}[/tex] ( multiply both sides by 2 )

10 = k

as the sample size becomes larger, the sampling distribution of the sample mean approaches a a. binomial distribution b. normal distribution c. chi-square d. poisson distribution

Answers

b. normal distribution.  As the sample size becomes larger, the sampling distribution of the sample mean approaches a normal distribution.

Explanation:

As the sample size becomes larger, the sampling distribution of the sample mean approaches a normal distribution. This concept is known as the Central Limit Theorem, which states that the distribution of sample means approximates a normal distribution as the sample size increases, regardless of the population's distribution.

The Central Limit Theorem states that as the sample size increases, the sampling distribution of the sample mean approaches a normal distribution, regardless of the shape of the population distribution from which the samples are drawn. This is true for any population distribution, including those that are not normally distributed.

The binomial distribution, chi-square distribution, and Poisson distribution are all probability distributions with specific characteristics and are not necessarily related to the sampling distribution of the sample mean. However, the normal distribution is often observed as an approximation to the sampling distribution of the sample mean when the sample size is large, making option b, "normal distribution," the correct answer.

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Explain how to solve the inequality step- by- step and how to graph please!!!

Answers

Answer:

  see the attached graph

Step-by-step explanation:

You want to graph these inequalities and identify their solution space.

x + y ≤ 8x - y ≤ 2

Boundary lines

The boundary line associated with the solution of an inequality is found by replacing the inequality symbol with an equal sign. Here, that means the boundary lines are given by the equations ...

x + y = 8x - y = 2

These lines can be plotted by finding their x- and y-intercepts, then drawing the line through those points. In each case, the intercept is found by setting the other variable to zero and solving the resulting equation.

x + y ≤ 8

x-intercept of x+y=8:  x = 8, or point (8, 0)

y-intercept of x+y=8:  y = 8, or point (0, 8)

The inequality symbol for this inequality is "less than or equal to", so the boundary line is included in the solution set. That means the line is drawn as a solid (not dashed) line.

When we look at one of the variables with a positive coefficient, we see ...

  x ≤ ... — shading is to the left of the boundary line

or

  y ≤ ... — shading is below the boundary line

The solution space for this inequality is shown in blue in the attached graph.

x - y ≤ 2

The x- and y-intercepts are found the same way as above. They are ...

  x-intercept:  x = 2, or point (2, 0)

  y-intercept:  y = -2, or point (0, -2)

The boundary line is solid, and shading is to its left:

  x ≤ ...

The solution space for this inequality is shown in red in the attached graph.

Solution space

The solutions of the set of inequalities are all the points on the graph where the shaded areas overlap. This is the left quadrant defined by the X where the lines cross.

__

Additional comment

To summarize the "step-by-step", you want to ...

determine the type of boundary line (dashed [<>], solid [≤≥])graph the boundary line using any convenient methoddetermine the direction of shading, and shade the solution space

In this process, you make use of your knowledge of plotting points and lines. You also make use of your understanding of "greater than" or "less than" relationships in the x- and y-directions on a graph.

If the mean of an exponential distribution is 2, then the value of the parameter 2 is: A 4.0 B.2.2 C.1.0 D. 0.5

Answers

If the mean of an exponential distribution is 2, then the value of the parameter λ is option (D) 0.5

An exponential distribution is a continuous probability distribution that describes the amount of time between events in a Poisson process, where events occur at a constant rate on average. The distribution is characterized by a parameter λ, which represents the average rate of events occurring per unit time.

The mean of an exponential distribution with parameter λ is given by 1/λ. Therefore, if the mean is 2, we have

1/λ = 2

Multiplying both sides by λ, we get:

1 = 2λ

Dividing both sides by 2, we get:

λ = 1/2

λ = 0.5

Therefore, the correct option is (D) 0.5

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x^2/3-2x^1/3-24=0
What’s the answer?

Answers

Answer:

if solving for x then 216,-64

What is A1=-100, and r=1/5

Answers

Okay, let's break this down step-by-step:

A1 = -100 - This means A1 has a value of -100

r = 1/5 - This means r is equal to 0.2 (one divided by 5)

So in summary:

A1 = -100

r = 0.2

Did I interpret those two lines correctly? Let me know if you need any clarification.

Divide 500 among aryl,joy and kenneth such that arlyn's share is 2/3 of joy's share ang joy's share is 2/3 of Kenneth's share how much will each get?

Answers

The amount that each will get from the given fraction of amount is :

Kenneth's share = $236.842

Joy's share = 2/3 x = $157.895

Arlyn's share = 4/9 x = $105.263

Given that,

Total amount = 500

Let the fraction of amount of money Kenneth gets = x

The fraction of amount of money Joy gets = 2/3 of Kenneth's share

                                                                       = 2/3 x

The fraction of amount of money Arlyn gets = 2/3 of joy's share

                                                                         = 2/3 (2/3 x)

                                                                         = 4/9 x

Now,

x + 2/3x + 4/9 x = 500

(9x + 6x + 4x) / 9 = 500

9x + 6x + 4x = 4500

19x = 4500

x = 236.842

Kenneth's share = $236.842

Joy's share = 2/3 x = $157.895

Arlyn's share = 4/9 x = $105.263

Hence each will get $236.842, $157.895 and $105.263.

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4. Find the length of arc s.
7 cm
0
02 cm.
5 cm

Answers

The length of the arc s as required to be determined in the attached image is; 17.5 cm.

What is the length of the arc s?

It follows from the task content that the length of the arc s is to be determined from the given information.

As evident in the task content, the angle subtended at the center of the two concentric circles is same for the 2cm and 5 cm radius circles.

On this note, it follows from proportion that the length of an arc is directly proportional to the radius of the containing circle.

Therefore, the ratio which holds is;

s / 5 = 7 / 2

s = (7 × 5) / 2

s = 17.5 cm.

Consequently, the length of the arc s is; 17.5 cm.

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2. The ages of college students have a skewed to the right distribution. Suppose the ages have mean 26.3 years and standard deviation 8 years. Describe the sampling distribution of the sample mean age of 50 college students. a. b. What is the probability that the mean age will be greater than 27?

Answers

The probability that the mean age of 50 college students will be greater than 27 is 0.24.

a. The Central Limit Theorem (CLT) states that for large enough sample sizes, the sampling distribution of the sample mean is approximately normal, regardless of the distribution of the population. In this case, the sample size is large enough (n=50) for the CLT to apply. Therefore, the sampling distribution of the sample mean age of 50 college students will be approximately normal with mean 26.3 years and standard deviation 8/sqrt(50) years (i.e., the standard error of the mean).

b. To find the probability that the mean age will be greater than 27, we need to standardize the sample mean using the formula:

z = (x - mu) / (sigma / sqrt(n))

where x is the sample mean, mu is the population mean, sigma is the population standard deviation, and n is the sample size.

Plugging in the values given, we get:

z = (27 - 26.3) / (8/sqrt(50)) = 0.70

Using a standard normal distribution table or calculator, we can find that the probability of a standard normal variable being greater than 0.70 is approximately 0.24. Therefore, the probability that the mean age of 50 college students will be greater than 27 is 0.24.

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Determine the intersection, union, and complement sets from the given information.
44. U=(2, 4, 6, 8)
A = (2, 4)
B = (6,8)
a. A ∩ B =
b. AUB=
c. (AUB)' =

Answers

The intersection, union, and complement sets based on the universal set U = {2, 4, 6, 8}, are;

a. A ∩ B = {∅}

b. A ∪ B = {2, 4, 6, 8}

c. (A ∪ B)' = {∅}

What is a universal set?

The universal set is the set to which the other sets are subsets, and one which contains all the elements.

The Universal set is; U = (2, 4, 6, 8)

The set A = (2, 4)

The set B = (6, 8)

Therefore;

a. The set A ∩ B is the set of elements common to both sets A and B

Therefore no elements common to both sets A and B, therefore;

A ∩ B = {∅}

b. The set A ∪ B is the set that contains elements in set A and elements in set B as well as elements in set AB

The set AB = {2, 4, 6, 8}

c. The set of the complement of the union of the set A and B is the set that contains elements that are not in the union of set A and B

A ∪ B = {2, 4, 6, 8} = U,

U' = {∅}

Therefore (A ∪ B)' = {∅}

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describe an algorithm that takes as input a list of n integers and finds the number of negative integers in the list.

Answers

An algorithm that takes as input a list of n integers and finds the number of negative integers in the list:

1. Initialize a variable called count to 0.
2. Loop through the list of n integers:
  a. If the current integer is negative, increment the count variable by 1.
  b. Otherwise, continue to the next integer.
3. Return the count variable as the number of negative integers in the list.

This algorithm iterates through each integer in the list and checks if it's negative. If it is, it increments a count variable. At the end of the loop, the count variable contains the total number of negative integers in the list, which is returned as the output of the algorithm.

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An algorithm that takes as input a list of n integers and finds the number of negative integers in the list:

1. Initialize a variable called count to 0.
2. Loop through the list of n integers:
  a. If the current integer is negative, increment the count variable by 1.
  b. Otherwise, continue to the next integer.
3. Return the count variable as the number of negative integers in the list.

This algorithm iterates through each integer in the list and checks if it's negative. If it is, it increments a count variable. At the end of the loop, the count variable contains the total number of negative integers in the list, which is returned as the output of the algorithm.

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How does g(x)=2x change over the interval from x=8 to x=9?
Increases by 100%
increases by 2
increases by 2%
decreases by 2%

Answers

The percentage increase of the function from g(x) over the interval x = 8 to x = 9, is 100%. The correct option is therefore;

Increase by 100%

What is a percentage increase?

A percentage increase is the representation of the increase of a quantity over an interval as a percentage.

Whereby the function is expressed as follows;

g(x) = 2ˣ

The value of the function at the values x = 8, and x = 9, are;

g(x) = 2ˣ

g(8) = 2⁸ = 256

g(9) = 2⁹ = 512

The percentage increase is therefore;

Percentage increase = ((g(9) - g(8))/g(8)) × 100

Percentage increase = ((2⁹ - 2⁸)/(2⁸)) × 100

2⁸ × ((2 - 1)/(2⁸)) × 100 = 100%

Therefore, the change of g(x) over the interval from x = 8 to x = 9 is an increase of 100%

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find the given higher-order derivative. f (3)(x) = 5 x4 , f (4)(x)

Answers

Answer:

4th Order Derivative: 120

Step by sep solution:

To find the fourth-order derivative of the function f(x) = 5x^4, we can differentiate the third-order derivative f(3)(x) = d^3/dx^3 (5x^4) with respect to x:

f(3)(x) = d^3/dx^3 (5x^4) = 5 * d^3/dx^3 (x^4)

To find d^3/dx^3 (x^4), we differentiate the function x^4 three times:

d/dx (x^4) = 4x^3

d^2/dx^2 (x^4) = d/dx (4x^3) = 12x^2

d^3/dx^3 (x^4) = d/dx (12x^2) = 24x

Substituting this back into the expression for the third-order derivative, we get:

f(3)(x) = 5 * d^3/dx^3 (x^4) = 5 * 24x = 120x

Now we can differentiate f(3)(x) = 120x to find the fourth-order derivative:

f(4)(x) = d^4/dx^4 (f(x)) = d/dx (f(3)(x)) = d/dx (120x) = 120

Therefore, the fourth-order derivative of the function f(x) = 5x^4 is f(4)(x) = 120

suppose 900 players each have their own well-shuffled, standard deck of 52 cards. each player will draw the top card and look at the suit (hearts, diamonds, clubs, or spades).

Answers

The expected outcome would be that approximately 225 players would draw hearts, 225 players would draw diamonds, 225 players would draw clubs, and 225 players would draw spades. This can be answered by the concept of Probability.

In this scenario, 900 players are each given a standard deck of 52 cards that has been well-shuffled. Each player will draw the top card from their deck and identify the suit, which could be hearts, diamonds, clubs, or spades.

To begin, each player is given a deck of 52 cards, which is the standard number of cards in a deck. These decks are well-shuffled, meaning the cards are randomly arranged to prevent any specific order or pattern. Each player will draw the top card from their deck, revealing the suit of that card, which could be hearts, diamonds, clubs, or spades. Since there are four suits in a standard deck, the probability of drawing any particular suit is 1/4 or 25%.

Therefore, in this scenario with 900 players, each drawing one card from their shuffled deck, there will likely be a distribution of suits that is relatively close to 25% for each suit, but with some natural variation due to the randomness of the shuffling process.

Therefore, the expected outcome would be that approximately 225 players would draw hearts, 225 players would draw diamonds, 225 players would draw clubs, and 225 players would draw spades. However, due to the random nature of shuffling, the actual distribution of suits among the players may deviate slightly from this expected outcome.

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