You have a rather strange die: three faces are marked with the letter A, two faces with the letter B, and one face with the letter C.
What is the probability that you will get a B in three or fewer rolls?

Answer:

The answer is A.

Step-by-step explanation:

The answer is A because if you divide the price by how many are sold it comes out to 14.75.

Answer: A

Step-by-step explanation:

1 book cost $14.75

2 books cost $29.50

3 books cost $44.25

4 books cost $59.00

5 books cost $73.75

6 books cost $88.50

7 books cost $103.25

Answer:

That is quite simple,7 is the best choice

Answer:

s=\(\frac{40}{21}\)

Step-by-step explanation:

Answer:

6

Step-by-step explanation:

Step-by-step explanation:

P = 8

Step-by-step explanation:

Given that P varies inversely with x then the equation relating them is

P = \frac{k}{x} ← k is the constant of variation

To find k use the condition P = 7 when x = 8 , then

7 = \frac{k}{8} ( multiply both sides by 8 )

56 = k

P = \frac{56}{x} ← equation of variation

When x = 7 , then

P = \frac{56}{7} = 8

Answer:

yes i think this so sad that theres no science

Step-by-step explanation:

Okay so they would be vertical angles so (7x-20)=(4x+16)

so the answer is x=12

hope this helps if you can brainliest please

P(80 < X < 125) = 0.9525 - 0.0918

P(80 < X < 125) = 0.8607

This means that approximately 86.07% of people have IQ scores between 80 and 125.

To answer this question, we need to calculate the standardized score (also known as z-score) for both 80 and 125:

z-score for 80: (80-100)/15 = -1.33

z-score for 125: (125-100)/15 = 1.67

Once we have the z-scores, we can use a standard normal distribution table or calculator to find the proportion of scores between them. Alternatively, we can use the following formula:

P(80 < X < 125) = P(Z < 1.67) - P(Z < -1.33)

Using a standard normal distribution table or calculator, we can find that P(Z < 1.67) is approximately 0.9525 and P(Z < -1.33) is approximately 0.0918.

Therefore:

P(80 < X < 125) = 0.9525 - 0.0918

P(80 < X < 125) = 0.8607

This means that approximately 86.07% of people have IQ scores between 80 and 125.

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The Wald test is a statistical test that can be used to test the significance of a group of coefficients in a multiple regression model.

The test statistic is calculated as the ratio of the estimated coefficient to its standard error. If the test statistic is significant, then the null hypothesis that the coefficient is equal to zero can be rejected.

Suppose we have a multiple regression model with three independent variables: age, gender, and education. We want to test the hypothesis that the coefficients for age and education are both equal to zero. The Wald test statistic would be calculated as follows:

Test statistic = (Estimated coefficient for age) / (Standard error of estimated coefficient for age) + (Estimated coefficient for education) / (Standard error of estimated coefficient for education)

If the test statistic is significant, then we can reject the null hypothesis that the coefficients for age and education are both equal to zero. This would mean that there is evidence that age and education are both associated with the dependent variable.

The Wald test is a powerful tool that can be used to test the significance of a group of coefficients in a multiple regression model. However, it is important to note that the test statistic is only valid if the assumptions of the multiple regression model are met. If the assumptions are not met, then the p-value of the Wald test may be inaccurate.

Here are some of the assumptions of the multiple regression model:

* The independent variables are independent of each other.

* The dependent variable is normally distributed.

* The errors are normally distributed.

* The errors have constant variance.

If any of these assumptions are not met, then the Wald test may not be accurate.

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The omission strategy involves removing observations with missing values from the dataset. After applying this strategy, the number of observations with complete cases can be determined.

The omission strategy is a method of handling missing values in a dataset. This strategy involves removing any observations with missing data from the dataset. To apply the omission strategy, each observation needs to be checked for any missing values. If a missing value is found, the entire observation is removed from the dataset. After this process has been completed, the number of observations with complete cases can be determined. This is done by counting the number of observations that remain in the dataset after the omissions have been applied. The final result will be the number of observations with complete cases in the dataset.

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(d) f(1) = 4 f(n) = 4 + d(n-1) , n>0 is the arithmetic formula to find the number of layers in the project

In the above question it is given that

A project is being created by a group of students by arranging layers.

The first layer is having 4 layers and as we move to the next layers, it is getting 2 times of the number of layers in the first layer.

i,.e f(1) = 4

Number of layers in the second layer = 8 layers

f(2) = 4.2 = 8

Now, we need to find the general arithmetic formula to determine the subsequent n number of layers in the project

As the subsequent layers are getting n times of the first layer, so we'll also find the similar arithmetic formula where addition to the first layer with n times of it is happening

So, after checking all the given options we find, (d) as the appropriate option

f(1) = 4

f(n) = 4 + d(n-1) , n>0

We'll find the number of layers in the 3 layers

Here, n = 3

Putting in the formula, we'll find.

f(3) = 4 + d(3-1)

f(3) = 4 + d(2)

where d(2) = 8 (given)

so, f(3) = 4 + 8 = 12

Hence, f(1) = 4 f(n) = 4 + d(n-1) , n>0 is the arithmetic formula to find the number of layers in the project

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Answer:

Noun. (plural simplified expressions) (mathematics) an expression that has been condensed and shortened, so that all the like terms have been combined.

Step-by-step explanation:

you are welcome!

Answer:

i answered all of them!

Step-by-step explanation:

Answer:

c) x=4

Step-by-step explanation:

Answer:

The range is what your output can be. If x is your input, then y is your output. So in this case the range is whatever y is. It looks like your line is y=6. So that's the answer.

Answer:

-3/4

Step-by-step explanation:

(-2,5) (10,-4)       <-y2-y1 / x2-x1  is the equation

 -4-5          -9           -9        

---------- = --------- =  -------- <-simplify this

10-(-2)      10+2         12

-9/3=-3

12/3=4

-3/4

Answer:

Option 3 (-3/4)

Step-by-step explanation:

To find the slope of a line, you find the change in y and divide it by the change in x:

5 - (-4)         9

---------   =   ------

-2 - 10         -12

If you simply 9/-12 (they both go into the number 3), you get -3/4

Calculating the amount of steel required to fix the carport is an important part of the project.

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Answer:

x = 21

y = 29

Step-by-step explanation:

Because of the parallel lines and the transversal, angles 3x - 3 and 60 are alternate interior angles that are congruent.

3x - 3 = 60

3x = 63

x = 21

Angles 4y + 4 and 60 are a linear pair, so they are supplementary, and their measures add to 180°.

4y + 4 + 60 = 180

4y + 64 = 180

4y = 116

y = 29

Answer:

Caleb earns points on his credit card that he can use towards future purchases. He earns four points per dollar spent on flights, two points per dollar spent on hotels, and one point per dollar spent on all other purchases. Last year, he charged a total of $9,480 and earned 14,660 points. The amount of money spent on flights was $140 money than twice the amount of money spent on hotels. Find the amount of money spent on each type of purchase.

Answer:

Step-by-step explanation:

Hakims car goes 600ft in 20 secs and andre's motorcycle goes 600ft in 24secs

Answer:

Andre's Motorcycle

Step-by-step explanation:

You need to find the feet per second which will show you which one is fastest.

Hakim's Car: 600 divided by 20= 30 ft per second.

Andre's Motorcycle: 300 divided by 12= 25 feet per second.

Answer:

Step-by-step explanation:

You have to start out with the distributive property 5 times 2 times c is 10+5c; now you have to subtract 5c on both sides in the upside down T chart, now its 10=45+c and your answer will be c=4.5.

The estimated crop yield from the simulation is 443 (option b).

To estimate the crop yield from the given random numbers, we need to assign a specific meaning to each random number. Let's assume that each random number represents the crop yield for a particular year.

Given random numbers: 37, 23, 92, 01, 69, 50, 72, 12, 46, 81

To find the estimated crop yield, we sum up all the random numbers:

37 + 23 + 92 + 01 + 69 + 50 + 72 + 12 + 46 + 81 = 443

Therefore, the estimated crop yield from the simulation is 443. The correct option is b.

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Answer:

The answer is 160

Step-by-step explanation:

Comment

There really should be no answer to this. It sort of destroys the meaning of equality. However, you might be working in different bases. I'll assume that, but the base will be a fraction, which brings up other problems.

Solution

You have 5 17s there. So you will need five 32s. 5 * 32 = 160

The answer is 160

Answer:

Step-by-step explanation:

This is a geometric means problem. Namely, n is the geometric mean between the 2 smaller triangles within that larger one. Set up the problem accordingly:

\(\frac{28}{n}=\frac{n}{7}\) and cross multiply:

\(n^2=196\) so

n = 14

Answer:

see explanation

Step-by-step explanation:

note that (sinx)² = sin²x

4sin²x - 2 = 0 ( add 2 to both sides )

4sin²x = 2 ( divide both sides by 4 )

sin²x = \(\frac{2}{4}\) = \(\frac{1}{2}\) ( take square root of both sides )

sinx = ± \(\sqrt{\frac{1}{2} }\) = ± \(\frac{1}{\sqrt{2} }\)

sinx = \(\frac{1}{\sqrt{2} }\) ( sinx > 0 , then x is in 1st/2nd quadrants )

x = \(\frac{\pi }{4}\) , π - \(\frac{\pi }{4}\) = \(\frac{3\pi }{4}\)

sinx = - \(\frac{1}{\sqrt{2} }\) ( sinx < 0 , then x is in 3rd/4th quadrants )

x = π + \(\frac{\pi }{4}\) = \(\frac{5\pi }{4}\) , 2π - \(\frac{\pi }{4}\) = \(\frac{7\pi }{4}\)

solutions are

\(\frac{\pi }{4}\) , \(\frac{3\pi }{4}\) , \(\frac{5\pi }{4}\) , \(\frac{7\pi }{4}\) in the interval [ 0, 2π )

Answer:

9 or 12

Step-by-step explanation:

Answer:

12n-6

Step-by-step explanation:

hope this helps!

Answer:

A. 12n — 6

Step-by-step explanation:

12 times a number which is n so

12n then minus 6,

12n-6

Therefore, A is correct

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Thank You!

Answered by: ms115

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Answer:

1. -14

2. v=10

Step-by-step explanation:

1.

- 22= - 8+k

-k-22=-8

-k=-8+22

-k=14/(-1)

k=-14

The quadratic equation that has roots (-1 - √2)/3 and (-1 + √2)/3 is:

x² + (2/3)x - 1/9 = 0

We have been given the roots of quadratic equation.

(-1 - √2)/3 and (-1 + √2)/3

We need to find the quadratic equation.

Since (-1 - √2)/3 and (-1 + √2)/3 are roots, (x - (-1 - √2)/3) and (x - (-1 + √2)/3) must be the factors of the quadratic equation.

So, the required quadratic equation would be,

(x - (-1 - √2)/3) * (x - (-1 + √2)/3) = 0

x[x - (-1 + √2)/3) ] - ( (-1 - √2)/3) [x - (-1 + √2)/3] = 0

x² - x(-1 + √2)/3 - x(-1 - √2)/3 + [(-1 - √2)(-1 + √2)]/9 = 0

x² - x(-2/3) + (1 - 2)/9 = 0

x² + (2/3)x - 1/9 = 0

Therefore, the quadratic equation that has roots (-1 - √2)/3 and (-1 + √2)/3 is: x² + (2/3)x - 1/9 = 0

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The standard deviation must be 0.041 pounds.

To find the standard deviation, we can use the following formula:

standard deviation = (maximum allowable weight - mean weight) / z-score

where z-score is the number of standard deviations away from the mean that the maximum allowable weight is.

In this case, the mean weight is 2 pounds, the maximum allowable weight is 2.10 pounds, and we want no more than 3% of boxes to exceed this weight. The z-score corresponding to the 3rd percentile of a normal distribution is about -0.49.

Plugging these values into the formula, we get:

standard deviation = (2.10 - 2.0) / -0.49 = 0.020 / -0.49 = 0.041 pounds

So the standard deviation must be about 0.041 pounds. This means that the weights of the boxes should be normally distributed with a mean of 2 pounds and a standard deviation of 0.041 pounds, in order to meet the manager's requirement that no more than 3% of boxes contain more than 2.10 pounds of candy.

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