POEEASE HELP ME ISTG I CANT GET ANYONE TO ANSWER MY QUESTIONS ILL GIVE BRAINLIEST PLEASE I BEG YOU

A wooden block is a prism, which is made up of two cuboids with the dimensions shown. The volume of the wooden block is 427 cubic inches.

Part A
What is the length of MN?
Write your answer and your work or explanation in the space below.

Part B
200 such wooden blocks are to be painted. What is the total surface area in square inches of the wooden blocks to be painted?

PLEASE GIVE A SOMEWHAT DETAILED EXPLANATION THANK YOUU!!! ^^

Part A: A line graph is the leading graphical representation to show the given information. The line chart is an fitting show since it makes a difference in visualizing the drift of the team's execution over time. It too highlights any outliers and makes a difference in recognizing designs within the information.

Part B: To make a line graph for the given information, take after the steps underneath:

The coming about line chart would appear the team's execution over the course of the primary 13 recreations, highlighting any patterns, crests, or plunges in their execution.

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If on addition of two numbers we get 16 as the sum and their difference comes out to be 9 thus the numbers are 12.5 and 3.5

Let one of the numbers be x

the second number be y

According to the question,

Sum = 16

x + y = 16 ----- (i)

Difference = 9

x - y = 9 ------ (ii)

Add the equations (i) and (ii)

x + y + x - y = 16 + 9

2x = 25

x = 25/2 = 12.5

Put the calculated value of x in equation (i)

12.5 + y = 16

y = 16 - 12.5

y = 3.5

Thus, the numbers in the question are 12.5 and 3.5

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The graph is misleading because the y values are not labeled

The graph represents the given parameter where

Examining the y-axis of the graph, we can see that

The y-axis is not labeled

This means that

We cannot determine what the y values represent

This is because not labelling  the y-axis do not show the correct representation of the graph

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The format of £ + E.E___+S___. Therefore, the answer is £36.6 + E. E14.284 + S0.

To lea

To estimate the mean amount a typical parent would spend on their child's birthday gift, we can use a confidence interval with the given information. Since the sample size is relatively small (n=13) and the population standard deviation is unknown, we can use a t-distribution with n-1 degrees of freedom.

The formula for a confidence interval for the population mean is:

x ± t*(s/√n)*

where x is the sample mean, s is the sample standard deviation, n is the sample size, and t* is the critical t-value from the t-distribution for a given level of confidence and degrees of freedom.

For a 98% confidence level and 12 degrees of freedom (n-1), the critical t-value is 2.681.

Plugging in the given values, we get:

36.6 ± 2.681*(14.7/√13) ≈ 36.6 ± 14.284

So the 98% confidence interval for the mean amount a typical parent would spend on their child's birthday gift is £22.316 to £50.884, or in the format of £ + E.E___+S___. Therefore, the answer is £36.6 + E. E14.284 + S0.

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The total amount of commission is 660 dollars.

Given that,

3 percent on sales up to $2,000.00

Commission = 3% of 2000

= 3/100 × 2000

= $60

5 percent on sales from $2,000.00 to $4,000.00

Commission = 5% of 4000

= 5/100 × 5000

= $250

7 percent on sales over $4,000.00

Commission = 7% of 4000

= 7/100 × 5000

= $350

Total commission=60+250+350

= $660

Therefore, the total amount of commission is 660 dollars.

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Answer:

The correct graph is graph B.

Answer: 26

Step-by-step explanation:

So what its basically asking is for you to find the hypotenuse because you can see that the rectangle splits in half with the green line.

So to find the hypotenuse you would use these steps:

1. formula for hypotenuse  

[tex]\sqrt{a^2+b^2}[/tex]

2. plug in numbers

[tex]\sqrt{10^2+24^2}=26[/tex]

The standard deviation of the random variable B(400, 0.9) is 6 (option E).

To determine the standard deviation of the random variable B(400, 0.9), we need to use the formula for the standard deviation of a binomial distribution:

Standard deviation (σ) = √(n * p * (1 - p))

Here, n is the number of trials (400) and p is the probability of success (0.9). Now, let's calculate the standard deviation step by step:

1. Calculate the probability of failure (1 - p): 1 - 0.9 = 0.1
2. Multiply n, p, and the probability of failure: 400 * 0.9 * 0.1 = 36
3. Calculate the square root of the result: √36 = 6

So, the standard deviation of the random variable B(400, 0.9) is 6 (option E).

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Answer:

is the answer C is correct bro

Answer:  B

Step-by-step explanation:

B.   The negative in front indicates direction.  It's a quadratic opening down.  and the 6 is the stretch

Instead of over 1 down 1 it goes over 1 down 6 from the vertex. so it's skinnier

a. Correlation: This method measures the strength and direction of the relationship between two continuous variables.
b. Linear Regression: This method predicts the value of one continuous variable based on the value of another continuous variable.
c. Independent t-test: This method compares the means of two independent groups to determine if there is a significant difference between them.
d. Dependent t-test: This method compares the means of two related groups (e.g., pre-test and post-test) to determine if there is a significant difference between them.

a. Correlation - This statistical method is used when the research question involves examining the relationship between two continuous variables. For example, "Is there a correlation between hours spent studying and GPA?"

Research question type: "Is there a relationship between variable A and variable B?"
b. Linear Regression - This statistical method is used when the research question involves predicting a continuous dependent variable based on one or more continuous independent variables. For example, "Can we predict income based on years of education and work experience?"

Research question type: "Can we predict variable A based on variable B?"
c. Independent t-test - This statistical method is used when the research question involves comparing the means of two independent groups on a continuous variable. For example, "Is there a difference in salaries between male and female employees?"

Research question type: "Is there a significant difference in variable A between Group 1 and Group 2?"
d. Dependent t-test - This statistical method is used when the research question involves comparing the means of two related groups on a continuous variable. For example, "Is there a significant difference in test scores before and after a study intervention?"

Research question type: "Is there a significant difference in variable A between the pre-test and post-test results?"

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1. a. H0: p(Picked Toledo) - p(Picked Nevada) = 0
  b. Ha: p(Picked Toledo) - p(Picked Nevada) > 0
  c. α= 0.05
  d. Pooled proportion = 0.203125

2. The value of the Test Statistic is 2.24.

3. We can reject the null hypothesis.

4. The proportion of people who picked Toledo is greater than those who picked Nevada.

Based on the Minitab output provided, here is the information you're looking for:

1. a. H0: p(Picked Toledo) - p(Picked Nevada) = 0
  b. Ha: p(Picked Toledo) - p(Picked Nevada) > 0
  c. α= 0.05 (typically used in hypothesis tests, not given in the output)
  d. Compute the pooled proportion:
     Pooled proportion = (X1 + X2) / (n1 + n2) = (18 + 8) / (64 + 64) = 26 / 128 = 0.203125

2. Value of the Test Statistic: z = 2.24

3. To answer "What decision can you make?"
  Since the P-value (0.013) is less than the significance level (α=0.05), you can reject the null hypothesis.

4. To answer "What conclusion can you make?"
  Based on the test results, there is significant evidence to conclude that the proportion of people who picked Toledo is greater than the proportion who picked Nevada.

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Based on the given information, it seems that Hector made error A. He placed Puppy 3 at -3.4 instead of at -0.75.

To determine which error Hector made, we need to compare his placements with the correct placements of the puppies on the number line based on the recorded weight changes.

According to the number line-

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The height of a binary tree depends on the number of nodes and the distribution of those nodes throughout the tree. However, knowing the number of leaf nodes in a binary tree can provide a lower bound on its height.

For a binary tree with 26 leaf nodes, the minimum height is 5, meaning the tree has at least 5 levels. For a binary tree with 44 leaf nodes, the minimum height is 6, and for a binary tree with 64 leaf nodes, the minimum height is 7.

This lower bound on height can be determined by recognizing that each level of a binary tree can contain at most twice as many nodes as the previous level. If a binary tree has L levels and K leaf nodes, then the number of nodes in the last level is at least K, and the number of nodes in the previous level is at least K/2. By repeating this reasoning, we can derive the minimum number of levels needed to accommodate a given number of leaf nodes.

Therefore, if a binary tree has a fixed number of leaf nodes, the minimum height is determined by the number of leaf nodes and the shape of the tree. However, it's important to note that this lower bound is not necessarily tight, as a binary tree with the same number of leaf nodes can have different heights depending on its structure.

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The equation of the circle with center (-3, -5) and radius 4 is (x + 3)² + (y + 5)² = 16.

The standard form equation of a circle with center (h, k) and radius r is:

(x - h)² + (y - k)² = r²

Given that the center of the circle is (-3, -5) and the radius is 4.

Hence, we can substitute these values into the formula to get the equation of the circle:

Plug in h = -3, k = -5 and r = 4

(x - h)² + (y - k)² = r²

(x - (-3))² + (y - (-5))² = 4²

Simplifying and expanding the equation, we get:

(x + 3)² + (y + 5)² = 16

Therefore, the equation of the circle is (x + 3)² + (y + 5)² = 16.

Option B) (x + 3)² + (y + 5)² = 16 is the correct answer.

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The probability that 49% or less of these companies outsourced some part of their manufacturing process in the past two to three years is approximately 0.0094.

a) To solve this problem, we need to use the binomial distribution formula:

P(X ≥ 336) = 1 - P(X < 336)

where X is the number of companies that outsourced some part of their manufacturing process.

We know that n = 555, p = 0.54, and q = 1 - p = 0.46.

Using the binomial distribution formula, we get:

P(X < 336) = Σ (nCx) * p^x * q^(n-x) from x = 0 to 335

However, computing this sum directly can be very time-consuming. Instead, we can use the normal approximation to the binomial distribution since n is large and p is not too close to 0 or 1.

Using the normal approximation, we can calculate the mean and standard deviation of the binomial distribution:

μ = np = 555 * 0.54 = 299.7

σ = sqrt(npq) = sqrt(555 * 0.54 * 0.46) ≈ 11.85

Then, we can transform the binomial distribution to a standard normal distribution:

Z = (X - μ) / σ

P(X < 336) ≈ P(Z < (336 - μ) / σ) = P(Z < (336 - 299.7) / 11.85) ≈ P(Z < 3.05)

Using a standard normal distribution table or a calculator, we find that P(Z < 3.05) ≈ 0.9983.

Therefore, P(X ≥ 336) = 1 - P(X < 336) ≈ 1 - 0.9983 = 0.0017.

b) We can use the same approach as in part (a):

P(X ≥ 286) = 1 - P(X < 286)

μ = np = 555 * 0.54 = 299.7

σ = sqrt(npq) = sqrt(555 * 0.54 * 0.46) ≈ 11.85

Z = (X - μ) / σ

P(X < 286) ≈ P(Z < (286 - μ) / σ) = P(Z < (286 - 299.7) / 11.85) ≈ P(Z < -1.15)

Using a standard normal distribution table or a calculator, we find that P(Z < -1.15) ≈ 0.1251.

Therefore, P(X ≥ 286) = 1 - P(X < 286) ≈ 1 - 0.1251 = 0.8749.

c) We want to find P(X ≤ 0.49n) = P(X ≤ 0.49 * 555) = P(X ≤ 271.95).

We can again use the normal approximation to the binomial distribution:

μ = np = 299.7

σ = sqrt(npq) ≈ 11.85

Z = (X - μ) / σ

P(X ≤ 271.95) ≈ P(Z < (271.95 - 299.7) / 11.85) ≈ P(Z < -2.34)

Using a standard normal distribution table or a calculator, we find that P(Z < -2.34) ≈ 0.0094.

Therefore, the probability that 49% or less of these companies outsourced some part of their manufacturing process in the past two to three years is approximately 0.0094.

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Finally, we can use the fact that 3 is a zero of multiplicity 1 to determine: f(0) = 0 = -81ac.

A polynomial function of degree 7 with -3 as a zero of multiplicity 3, 0 as a zero of multiplicity 3, and 3 as a zero of multiplicity 1 can be written as:

f(x) = [tex]a(x + 3)^3 * b(x)^3 * c(x - 3)[/tex]

where a, b, and c are constants to be determined.

Since -3 is a zero of multiplicity 3, we know that (x + 3) appears in the function three times as a factor, so we can write:

f(x) =[tex]a(x + 3)^3 * g(x)[/tex]

Here g(x) is some function of degree 4 (since we have accounted for 3 of the 7 total factors). Similarly, since 0 is a zero of multiplicity 3, we know that [tex]x^3[/tex] appears in the function three times as a factor, so we can write:

g(x) = [tex]b(x)^3 * h(x)[/tex]

Here h(x) is some function of degree 1 (since we have accounted for 3 of the remaining 4 factors). Finally, we know that 3 is a zero of multiplicity 1, so we can write:

h(x) = c(x - 3)

Putting it all together, we have:

[tex]f(x) = a(x + 3)^3 * g(x)\\= a(x + 3)^3 * b(x)^3 * h(x)\\= a(x + 3)^3 * b(x)^3 * c(x - 3)[/tex]

Substituting h(x) into g(x), we get:

[tex]g(x) = b(x)^3 * h(x)\\= b(x)^3 * c(x - 3)[/tex]

Substituting g(x) into f(x), we get:

[tex]f(x) = a(x + 3)^3 * g(x)\\= a(x + 3)^3 * b(x)^3 * h(x)\\= a(x + 3)^3 * b(x)^3 * c(x - 3)\\= a(x + 3)^3 * b(x)^3 * c(x - 3)\\[/tex]

Expanding the terms, we get:

[tex]f(x) = a(x^3 + 9x^2 + 27x + 27) * b(x^3)^3 * c(x - 3)\\= a(x^3 + 9x^2 + 27x + 27) * b(x^6) * c(x - 3)\\\\= a(x^3 + 9x^2 + 27x + 27) * b(x^6) * c(x) - 3c(x^5)[/tex]

Now, we can use the fact that -3 is a zero of multiplicity 3 to determine the value of a:

[tex]f(-3) = a(-3 + 3)^3 * b(0)^3 * c(-3) = 0[/tex]

= 0

Since [tex](-3 + 3)^3 = 0,[/tex] we can simplify this equation to:

f(-3) = 0 = [tex]b(0)^3 * c(-3)[/tex]

Since 0 is a zero of multiplicity 3, we can also determine the value of b:

f(0) = [tex]a(0 + 3)^3 * b(0)^3 * c(0 - 3) = 0[/tex]

= 27a * 0 * (-3c)

Simplifying, we get:

f(0) = 0 = -81ac

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(a) The mean of the sampling distribution of the sample mean is equal to the population mean, which is y=2.86. So, х = 2.86.

(b) The standard deviation of the sampling distribution of the sample mean is equal to the population standard deviation divided by the square root of the sample size. So, o = 0.23 / sqrt(7) = 0.087.

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[tex]\textit{circumference of a circle}\\\\ C=2\pi r ~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=4\pi \sqrt{3} \end{cases}\implies 4\pi \sqrt{3}=2\pi r\implies \cfrac{4\pi \sqrt{3}}{2\pi }=r\implies 2\sqrt{3}=r \\\\[-0.35em] ~\dotfill\\\\ \textit{area of a circle}\\\\ A=\pi r^2 ~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=2\sqrt{3} \end{cases}\implies A=\pi (2\sqrt{3})^2 \\\\\\ A=\pi ( ~~ 2^2\sqrt{3^2} ~~ )\implies A=\pi ( ~~ 2^2(3) ~~ )\implies A=\implies A=12\pi[/tex]

Answer:

  see attached

Step-by-step explanation:

You want a graph of the line y = -3x +2.

The infinite number of points that satisfy the equation y = -3x +2 will form a line on the coordinate plane. It will cross the y-axis at y = 2, and will have a slope (rise/run) of -3 units for each unit to the right. The attachment shows the graph.

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Nolan bought 2 apples and 10 bananas.

To solve this problem form the system of equations first, then solve them to find the values of the variables.

Nolan bought 2 apples and 10 bananas.

It's given that,

Nolan and his children bought fruits (Apples and bananas) worth $8.

Cost of each apple and bananas are $2 and $0.40 respectively.

Let the number of bananas he bought = y

And the number of apples = x

Therefore, cost of the apples =$2x

And the cost of bananas = $0.40y

Total cost of 'x' apples and 'y' bananas = $(2x + 0.40y)

Equation representing the total cost of fruits will be,

(2x + 0.40y) = 8

10(2x + 0.40y) = 10(8)

20x + 4y = 80

5x + y = 20 --------(1)

If he bought 5 times as many bananas as apples,

y = 5x ------(2)

Substitute the value of y from equation (2) to equation (1),

5x + 5x = 20

10x = 20

x = 2

Substitute the value of 'x' in equation (2)

y = 5(2)

y = 10

Therefore, Nolan bought 2 apples and 10 bananas.

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Full Question ;

Nolan and his children went into a grocery store and he bought $8 worth of apples

and bananas. Each apple costs $2 and each banana costs $0.40. He bought 5 times as

many bananas as apples. By following the steps below, determine the number of

apples, 2, and the number of bananas, y, that Nolan bought.

Answer:

Step-by-step explanation:

Key March Highlights: Travel spending totaled $93 billion in February—5% above 2019 levels and 9% above 2022 levels. Leisure travel demand does not appear to be abating with America’s excitement to travel at record highs and more than half (55%  Data Question 2 The following table shows the number of visitors to a park from January to April: Month January

a. The first step we take to solve the radical equation is adding x to both sides.

b. The next step is to square both sides.

c. Solving the equation for x yields x = 0 or x = 16

d. Checking the solution, shows that it is correct.

A radical equation is an equation that contains a root.

Given the radical equation [tex]4x^{\frac{1}{2} } - x = 0[/tex]. To sove this, we proceed as follows.

a. The first step we take to solve the equation is adding x to both sides.

So, we have that

[tex]4x^{\frac{1}{2} } - x = 0[/tex]

[tex]4x^{\frac{1}{2} } - x + x= 0 + x\\4x^{\frac{1}{2} } - 0= x\\4x^{\frac{1}{2} } = x[/tex]

b. The next step is to square both sides. So, we have that

[tex]4x^{\frac{1}{2} } = x\\(4x^{\frac{1}{2} } )^{2} = x^{2} \\16x = x^{2}[/tex]

c. The next step is to subtract 16x from both sides. So, we have that

16x = x²

16x - 16x = x² - 16x

0 = x² - 16x

x² - 16x = 0

Factorizing to solve for x, we have that

x² - 16x = 0

x(x - 16) = 0

x =0 or x - 16 = 0

x = 0 or x = 16

Solving the equation for x yields x = 0 or x = 16

d. Next, we check the solution.

So, when x = 0

[tex]4x^{\frac{1}{2} } - x = 0\\4(0)^{\frac{1}{2} } - 0 = 0\\4(0) - 0 = 0\\0 - 0 = 0\\0 = 0[/tex]

When x = 16

[tex]4x^{\frac{1}{2} } - x = 0\\4(16)^{\frac{1}{2} } - 16 = 0\\4(4) - 16 = 0\\16 - 16 = 0\\0 = 0[/tex]

Checking the solution, we see that it is correct.

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Answer:

use desmos cant add pcitures

Step-by-step explanation:

The value of c on the interval (5,9) such that f'(c) = f(b) - f(a) / (b - a) is c = 3, and the average rate of change of f(x) on the interval [5,9] is 139.

First, we can find the average rate of change of f(x) on the interval [a,b] using the formula:

average rate of change = [f(b) - f(a)] / (b - a)

Substituting the given values of a = 5 and b = 9 into the formula, we get:

average rate of change = [f(9) - f(5)] / (9 - 5)

Next, we need to find f(9) and f(5) to calculate the average rate of change. To do this, we first need to find the derivative of f(x) using the power rule:

f'(x) = 6x² - 6x - 12

Now, we can use the Mean Value Theorem to find a value c in the interval (5,9) such that f'(c) equals the average rate of change. According to the Mean Value Theorem, there exists a value c in the interval (5,9) such that:

f'(c) = [f(9) - f(5)] / (9 - 5)

Substituting the derivative of f(x) and the values of f(9) and f(5) into the equation, we get:

6c² - 6c - 12 = [2(9)³ - 3(9)² - 12(9) - 4 - (2(5)³ - 3(5)² - 12(5) - 4)] / (9 - 5)

Simplifying the right-hand side of the equation, we get:

6c² - 6c - 12 = (658 - 204) / 4

6c² - 6c - 12 = 114

6c² - 6c - 126 = 0

Dividing both sides by 6, we get:

c² - c - 21 = 0

Using the quadratic formula, we can solve for c:

c = [1 ± sqrt(1 + 4(21))] / 2

c = [1 ± 5] / 2

The two possible values of c are:

c = 3 or c = -4

However, since the interval is (5,9), c must be between 5 and 9. Therefore, the value of c that satisfies the Mean Value Theorem is c = 3.

Finally, substituting f(5) and f(9) into the formula for the average rate of change, we get:

average rate of change = [f(9) - f(5)] / (9 - 5)

= [(2(9)³ - 3(9)² - 12(9) - 4) - (2(5)³ - 3(5)² - 12(5) - 4)] / (9 - 5)

= [434 - (-104)] / 4

= 139

Therefore, the value of c on the interval (5,9) such that f'(c) = f(b) - f(a) / (b - a) is c = 3, and the average rate of change of f(x) on the interval [5,9] is 139.

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In this scenario, the appropriate inference procedure would be the two-sample t-test for the difference between means.

Based on the given information, you would use a "two-sample t-test for the difference between two means" to estimate the difference in the average amount of TV watched by high school and college students. This procedure is suitable because you have separate random samples from two distinct groups and you're comparing their means.

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Answer:

8,450 minutes

Step-by-step explanation:

The equation stating requirement for goal is 250 = 25t and value of variable or shirts is 10.

The amount remaining to be raised = 370 - 120

Remaining amount = $250

The number of t-shirts need to be sold to meet the goal will be given by the formula -

Amount required = number of shirts × cost of each shirt

Keep the values in formula to find the expression and value of variable

250 = 25t

Solving the equation for the value of t

t = 250/25

Divide the values

t = 10

Hence, the expression is 250 = 25t and value of variable is 10.

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