A website offers video game downloads for $5 each. customers can also subscribe for us
annual fee of $45, and each video game download would cost $2 Write an an equation to
find the number of video games a customer would have to download in a year for the two-
options to be

The statement that is not true about the F-test in one-way analysis of variance is A. The F-statistic can never be a negative number. The F-statistic is a ratio of these two types of variability, and it can be any non-negative number.

The F-statistic is calculated by dividing the mean square between groups by the mean square within groups. The numerator degrees of freedom for the F-test is equal to the number of groups in the study minus one, while the denominator degrees of freedom is equal to the total sample size minus the number of groups. The F-distribution is a right-skewed distribution, meaning that it is not symmetric.

Therefore, statement A is not true about the F-test in one-way analysis of variance, as the F-statistic can be any non-negative number. The F-test is a useful statistical tool for determining whether the differences between group means are significant or simply due to chance. By comparing the variability between groups to the variability within groups, researchers can make informed decisions about whether to accept or reject the null hypothesis in a one-way ANOVA.

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Answer:

a) (f + g)(x) = 8x + 2

b) (f - g)(x) = 4x - 6

Step-by-step explanation:

Given:

a) Find (f + g)(x):

a. (f + g)(x) = f(x) + g(x)

⇒ (f + g)(x) = (6x - 2) + (2x + 4)

⇒ (f + g)(x) = 6x + 2x - 2 + 4

⇒ (f + g)(x) = 8x + 2

b) Find (f - g)(x):

b. (f - g)(x) = f(x) - g(x)

⇒ (f - g)(x) = (6x - 2) - (2x + 4)

⇒ (f - g)(x) = 6x - 2x - 2 - 4

⇒ (f - g)(x) = 4x - 6

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Answer:

C

Step-by-step explanation:

The +2 tells you where the 'y' will intersect... and it's gonna be positive 2, and only C has that so ye

Hence, the probability is 0.0985.

To calculate the probability of demand exceeding the reorder point when the reorder quantity is set at 143 units, we need to follow these steps:Calculate the mean of demand during lead time (µd)Calculate the standard deviation of demand during lead time (σd) Calculate the reorder point (R)R = µd + z * σd (where z is the standard normal deviation corresponding to the service level)Calculate the safety stock (S)S = R - d, where d is the demand rate Calculate the order quantity (Q)Q = R + S - I (where I is the inventory in hand)

Calculate the probability of demand exceeding the reorder point. Probability (P) = 1 - P (Z ≤ ((R - µd) / σd))The mean of demand during lead time (µd) can be calculated as the product of the average daily demand (D) and lead time (L).

µd = D * L = 26 * 8 = 208 units.

The standard deviation of demand during lead time (σd) can be calculated using the formula below

:σd = √(D * L * σ^2) = √(26 * 8 * 12^2) = 99.91 units

.The reorder point (R) can be calculated using the formula below:R = µd + z * σd, where z is the standard normal deviation corresponding to the service level. Since the service level is not given in the problem, we assume a service level of 90%. The corresponding z-value for a 90% service level is

1.28.R = 208 + 1.28 * 99.91 = 338 units.

The safety stock (S) can be calculated using the formula below:S = R - d, where d is the demand rate. In this case, the demand rate is given as 26 units per day.

S = 338 - 26 = 312 units.

The order quantity (Q) can be calculated using the formula below:Q = R + S - I, where I is the inventory in hand. In this case, the inventory in hand is not given, so we assume it to be zero

.Q = 338 + 312 - 0 = 650 units.

To calculate the probability of demand exceeding the reorder point, we need to standardize the random variable Z using the formula below:Z = (X - µd) / σd, where X is the random variable. In this case,

X = R = 338.Z = (338 - 208) / 99.91 = 1.303.

The probability of Z being less than or equal to 1.303 can be found using the standard normal table. The value from the table is 0.9015.Therefore, the probability of demand exceeding the reorder point when the reorder quantity is set at 143 units is:

P = 1 - P (Z ≤ ((R - µd) / σd))P = 1 - 0.9015 = 0.0985

(rounded to four decimal places).

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Answer:

\(volume \: of \: cylinder = \pi {r}^{2} h \\ if \ \: \: h \: \: is \: halved \: then \\ volume = \frac{\pi {r}^{2} h}{2} \)

hope my answer is correct

Answer:

$38.50

Step-by-step explanation:

First, multiply 2.75 by the number of books he purchased which was 14. When you do this you get the number 38.50 which is the cost for the books.

Solve for dy/dx:   dy/dx = (-2x) / (2y) = -x / y which gives the slope of tangent line using implicit differentiation

To find the slope of a tangent line using implicit differentiation, follow these steps:

1. Start with the given equation that represents the relationship between x and y in the form of an equation involving both variables, for example: F(x, y) = 0.

2. Differentiate both sides of the equation with respect to x using the chain rule whenever necessary. Treat y as a function of x and apply the derivative rules accordingly.

3. After differentiating, have a resulting equation involving both x, y, and their derivatives (dy/dx). Rearrange the equation if necessary to isolate dy/dx on one side.

4. Solve for dy/dx to find the derivative of y with respect to x. This will give the slope of the tangent line at any given point on the curve defined by the implicit equation.

Note: The resulting expression for dy/dx may involve both x and y variables. To find the slope of the tangent line at a specific point, substitute the coordinates of that point into the expression for dy/dx.

Here's an example to illustrate the process:

Given the implicit equation: \(x^2 + y^2 = 25\)

1. Start with the equation: \(x^2 + y^2 = 25.\)

2. Differentiate both sides with respect to x:

  2x + 2y * (dy/dx) = 0

3. Rearrange the equation to isolate dy/dx:

  2y * (dy/dx) = -2x

4. Solve for dy/dx:

  dy/dx = (-2x) / (2y)

         = -x / y

Now, have the expression for the slope of the tangent line in terms of x and y. To find the slope at a specific point, substitute the coordinates of that point into the expression.

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Answer:

Step-by-step explanation:

divide the figure into 2 rectangle the one on top and bottom. Th one on top's dimensions would be length = 9 width = 3.

the bottom rectangles dimensions would be length = 5 (because 9-4) and width would be 3 (because 6-3)

so top rectangle : 9*3 = 27

bottom rectangle: 5*3 = 15

27+15 = 42

Answer:

\(A_{total} = 42\ cm^2\)

Step-by-step explanation:

Step 1:  Determine the area of the left rectangle

\(A = l * w\)

\(A = 6\ cm * (9\ cm - 4\ cm)\)

\(A = 6\ cm * 5\ cm\)

\(A = 30\ cm^2\)

Step 2:  Determine the area of the right rectangle

\(A = l * w\)

\(A = 4\ cm * 3\ cm\)

\(A = 12\ cm^2\)

Step 3:  Determine the total area

\(A_{total} = 30\ cm^2 + 12\ cm^2\)

\(A_{total} = 42\ cm^2\)

Answer: \(A_{total} = 42\ cm^2\)

C = 7n

fill in the missing numbers and you get

84 = 7n

which means you can divide 84 by 7 to get n

84/7 = n

n = 12

12

Answer: 12 pies

Step-by-step explanation:

C=7n

C=7(12)

C=84

Customer bought 12 pies

Answer:

Step-by-step explanation:

True

Answer:

by helping some one fast

Answer:

The mean of the data set is 9.3 rounded to the nearest tenth

Step-by-step explanation:

First you add them all together: 9.9 + 10.8 + 10.8 + 6.2 + 10.8 + 7.2 = 55.7

Then you divide it by how many numbers there are which is 6 in this situation:

55.7 ÷ 6 = 9.28333333333. but if we round it to the nearest tenth we get 9.3

So the answer is 9.3

Answer:

Step-by-step explanation:

The quadratic equation in factored form:

We have:

Substitute them to get:

Converting this into standard form:

Answer: 1.33

Step-by-step explanation:

0.8 divided by 0.6= 1.33333333333

3 is in the hundredths place and 3 is in the thousandths place.

Since the digit in the thousandths place (3) is less than 5, the digit in the hundredths place (3) does not change.

The digits to the right of the hundredths place are dropped.

1.33333333 rounded to the nearest hundredth (two decimal places) = 1.33.

The problem requires finding the values of the nodes on the right side of a binary tree, ordered from top to bottom. We can solve this problem by performing a level-order traversal of the binary tree and keeping track of the rightmost node at each level. We only add the rightmost node to the result list for each level.

To solve this problem, we can perform a level-order traversal of the binary tree and keep track of the rightmost node at each level. We can use a queue to traverse the tree level by level, starting with the root node. For each level, we only add the rightmost node to the result.

Here's the Python code to implement this approach:

```
from collections import deque

def rightSideView(root):
   if not root:
       return []
   
   result = []
   queue = deque([root])
   
   while queue:
       level_size = len(queue)
       
       for i in range(level_size):
           node = queue.popleft()
           
           # Only add the rightmost node to the result
           if i == level_size - 1:
               result.append(node.val)
           
           # Add the child nodes to the queue
           if node.left:
               queue.append(node.left)
           if node.right:
               queue.append(node.right)
   
   return result
```

We first handle the case where the root is None, in which case we return an empty list. We then initialize an empty list `result` to store the values of the rightmost nodes and a queue `queue` to perform the level-order traversal.

We begin by adding the root node to the queue. We then enter a loop that continues until the queue is empty. In each iteration of the loop, we first get the number of nodes in the current level by taking the length of the queue. We then iterate through the nodes in the current level and remove them from the queue using `popleft()`.

For each node, we check if it is the rightmost node in the current level (i.e., its index is equal to the level size minus one). If it is, we add its value to the result list. We then add the child nodes of the current node to the queue if they exist.

Finally, we return the result list containing the values of the rightmost nodes in the binary tree.

For example, for the binary tree given in the prompt, the function `rightSideView(root)` will return [1, 3, 4].

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Answer

17

Step-by-step explanation

Sorry cant exactly explain it but usually you just subtract the bigger point by the smaller one then add the numbers. Brainliest?

According to fraction and ratio, second dog is 3/2 feet long.

An element of a whole is a fraction. The number is represented mathematically as a quotient, where the numerator and denominator are divided. Both are integers in a simple fraction. A fraction appears in the numerator or denominator of a complex fraction. The numerator of a proper fraction is less than the denominator.

First dog is 5 feet long.

then,

5 feet is equal to 4/5 of the second dog's length.

multiply both sides by 5/4.

5/4 x 5 feet is the second dog's length.

The second dog is 25/4 feet long.

The second dog is 6(1/4) feet long.

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As a result, there is a roughly 0.4796, or 47.96%, chance that the next cone sold will contain pistachio ice cream .

In most cases, probability is represented by a figure between 0 and 1, where 0 denotes an impossibility and 1 denotes a certainty. A likelihood of 0.25 has a 1 in 4 chance of happening, whereas a probability of 0.5 has a 50/50 chance of happening. By dividing the number of favorable outcomes by the total number of possible outcomes, one can determine probability. Tossing a fair coin, for instance, has two potential results: heads or tails. Given that there is only one favorable outcome (heads) out of two possible outcomes, the probability of obtaining heads is half, or 0.5. (heads or tails). Numerous disciplines, including statistics, economics, engineering, and science, use probability.

given

The issue states that, of the 98 cones that were sold, 47 had pistachio ice cream and 51 had other varieties. Therefore, it is possible to determine the experimental chance of selling a pistachio ice cream cone as follows:

Number of cones sold with pistachio ice cream divided by the total number of cones sold is the experimental chance of pistachio ice cream.

Pistachio ice cream's experimental chance is equal to 47/98.

Ice cream with pistachios has an experimental chance of 0.4796. (rounded to four decimal places)

As a result, there is a roughly 0.4796, or 47.96%, chance that the next cone sold will contain pistachio ice cream .

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Answer:

47/98

Step-by-step explanation:

Answer:

22% decrease

Step-by-step explanation:

39/50 .78

so 39 is 78% of 50

100-78=22

The rate at which the distance between the ships is changing at 4:00 pm is 15 km/h.

To solve this problem, we can use the concept of related rates. Let's denote the distance between Ship A and Ship B as "d" (measured in kilometers) and the time as "t" (measured in hours).

- Ship A is sailing south at 10 km/h.

- Ship B is sailing north at 5 km/h.

- At noon (t = 0), Ship A is 80 km west of Ship B.

We want to find the rate at which the distance between the ships is changing at 4:00 pm (t = 4).

Let's first express the distance between the ships as a function of time:

d = (80 + 10t) + (5t)

Now, let's take the derivative of d with respect to time:

dd/dt = d/dt[(80 + 10t) + (5t)]

      = 10 + 5

      = 15 km/h

So, the rate at which the distance between the ships is changing at 4:00 pm is 15 km/h.

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Answer:

I think it's c sorry if im wrong

The expression should be substituted into the first equation is "x = 8 -2y"  and also the value of x = 3 and y = 2.5

What do you mean by substitution?

The substitution method is an algebraic strategy for resolving simultaneous linear equations. This approach, as the name suggests, involves substituting the value of one variable from one equation into the second equation. This makes it easier to answer a pair of linear equations by combining them into a single equation with a single variable.

The equations given in the question,

2x - 4y = -4

x + 2y = 8

Let these two equation be named as 1 and 2 respectively.

Taking equation 2 and making x stay one side and all others on other side of the equation. We get,

x = 8 -2y

Substituting this value of x in equation 1.

2x - 4y = -4

2(8 - 2y) - 4y = -4

y = 2.5

substituting this value of y in equation 2,

x + 2y = 8

x = 8 - 5

x = 3

Therefore, The expression should be substituted into the first equation is "x = 8 -2y"  and also the value of x = 3 and y = 2.5

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Complete Question

Using substitution to solve the system below, what expression should be substituted into the first equation? 2x-4y=-4 and x+2y=8

Answer:

28 is NOT a given solution to the equality

Step-by-step explanation:

For this inequality, we substitute 28 for t and see if the left side is less than the right side.

\(t - 7 < 10, t = 28\\(28) - 7 < 10\\21 < 10 \\False\)

The statement is false, therefore the number provided is not a solution

Answer:

29

Step-by-step explanation:

conjugate of a+ib=a-ib

conjugate of 2-5i=2+5i

(2+5i)(2-5i)=2²-(5i)²=4-25i²=4-25(-1)=4+25=29

Answer:

29

i had the same question and 29 was the right answer

Answer:

900

Step-by-step explanation:

because 14132.77/14.5%

Answer:

see explanation

Step-by-step explanation:

A linear function has the form

y = mx + b ( m is the slope and b the y- intercept )

B

the graph has a constant rate of change , measured by the slope m of the linear function.

Answer:

c = 1

Step-by-step explanation:

Given

9 = 2(c + 3) + 1 ← distribute parenthesis and simplify right side

9 = 2c + 6 + 1

9 = 2c + 7 ( subtract 7 from both sides )

2 = 2c ( divide both sides by 2 )

1 = c

Answer:

\(c = 1\)

Step-by-step explanation:

\(9 = 2(c + 3) + 1 \\ 9 = 2c + 6 + 1 \\ 9 = 2c + 7 \\ 9 - 7 = 2c \\ 2 = 2c \\ c = \frac{2}{2} \\ c = 1\)

Answer:

1.) Kindly check attached picture for possibility diagram

(2)

1) 0.125 2)0.963 3.)0.234 4.)0.625 5.)0.656

Step-by-step explanation:

Probability = required outcome / Total possible outcomes

1) P(product is a prime number)

Appearance of prime numbers = 8 times

P(product is a prime number) = 8/64 = 0.125

2.) P(not a perfect square) = 1 - p(perfect square)

1 - (12/64) = 52/54 = 0.963

3.) P(a multiple of 5) = 15/64 = 0.234

4.)P(less than or equal to 21) = 40/64 = 0.625

5.)P(divisible by 4 or 6) = 42/64 = 0.656

Answer:

First blank: B and C

Second blank: D and A

Step-by-step explanation:

Answer:
-Polygon ABCD is rotated 270 degrees clockwise about the origin to create parallelogram A'B'C'C'.

-Polygon ABCD is rotated 90 degrees clockwise about the origin to create parallelogram A"B"C"C".