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3 years ago

A volleyball has a radius of 9 inches. What is the exact value of the volume of the ball?

1 answer:

4 0

Hello!

to solve this problem, use the following equation

(4/3(3.141593))(9^3) = 3053.628059

so your final answer is:
the volume of the volleyball is 3053.628059

I hope this helps, and have a nice day.

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Last year there were 179 pies baked for a bake sale..Thus year,there were d, write an expression for a total number of pies bake

mash [69]

Answer:

Total = d + 179

Step-by-step explanation:

In order to find the total number of pies baked in two years, you'd need to add the amount of pies (179 and d) baked each year together in order to get your answer.

Hope that helps!

3 0

3 years ago

Write an expression for the calculation the difference of the products of 5 and 2 and 5 and 1

krek1111 [17]

Y=5*2-5*1 Is your equation because you would multiply 5 and 2 then 5 and 1, then subtract to find the difference.

7 0

2 years ago

Read 2 more answers

If h(x)=6-x what is the value of (h•h)(110)

Irina18 [472]

The given function : h(x) = 6 - x

We know that for any functions f(x) and g(x)

f*g (x)=f(x)\times g(x)

Therefore , h*h (x)=h(x)\times h(x)

h*h (x)=(6-x)(6-x)=(6-x)^2

h*h (x)=(6)^2-2(6)(x)+x^2 [ Using identity (a-b)^2=a^2+2ab+b^2 ]

h*h (x)=36-12(x)+x^2

\-------->\ h*h (x)=36-12(x)+x^2 Now, at x= 10 , we get

h*h (10)=36-12(10)+(10)^2

h*h (10)=36-120+100=36+100-120=136-120=16

Hence, the value of (h*h)(10) = 16

hoped it helped

8 0

2 years ago

P = 175 + t 2 What’s the answer

kodGreya [7K]

Answer:

please write. question properly

8 0

2 years ago

A machine fills containers with a particular product. Assume the filling weights are normally distributed with a variance of 0.1

Ghella [55]

Answer:

$z=-0.674$

And if we solve for $\mu$ we got

$\mu=12 +0.674*0.4=12.270$

So then the mean is $'mu = 12.270$ for this case.

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Solution to the problem

Let X the random variable that represent the variable of interest of a population, and for this case we know the distribution for X is given by:

$X \sim N(\mu,\sqrt{0.16}= 0.4)$

For this part we want to find a value a, such that we satisfy this condition:

$P(X>12)=0.85$ (a)

$P(X$ (b)

Both conditions are equivalent on this case. We can use the z score again in order to find the value a.

As we can see on the figure attached the z value that satisfy the condition with 0.25 of the area on the left and 0.85 of the area on the right it's z=-0.674. On this case P(Z<-0.674)=0.25 and P(z>-0.674)=0.85

If we use condition (b) from previous we have this:

$P(X$

$P(z$

But we know which value of z satisfy the previous equation so then we can do this:

$z=-0.674$

And if we solve for $\mu$ we got

$\mu=12 +0.674*0.4=12.270$

So then the mean is $'mu = 12.270$ for this case.

8 0

3 years ago