Question

Dan is planning a vacation and needs to purchase enough food to fill the barrel in his pasture so that his cows will not be hungry while he is away. If the barrel is seven feet high with a radius of 4 feet, what is the volume of feed the barrel can hold?

A. 75.36 cubic feet
B. 50.24 cubic feet
C. 301.44 cubic feet
D. 351.68 cubic feet

Answer 1

@mustbethestars

Answer 2

Okay first we got to find the shape of a barrel what do you think a barrel's shape is?

Answer 3

@GalaxyKatz

Answer 4

Come on man you got this

Answer 5

Sorry!!

Answer 6

Do you know what shape a barrel is?

Answer 7

A cylinder?

Answer 8

Correct. Good job. So we have to find the volume of a cylinder. Would you happen to know the formula?

Answer 9

I know it but I can't type it right...

Answer 10

It's V = pi r ^2 h

Answer 11

\[V = \pi r^2 h\]

Answer 12

like that?

Answer 13

Yusssss.

So the height is: 7
Radius is: 4

So the equation becomes: \[V= (3.14)(4^2)(7)\]

Answer 14

What is \[4^2\] ?

Answer 15

16

Answer 16

Correct and what is 16*3.14?

Answer 17

50.24

Answer 18

Correct. And what is 50.24 * 7

Answer 19

351.68

Answer 20

So what is your answer?

Answer 21

351.68!!! OH MY GOSH THANK YOU SO MUCH!!

Answer 22

Good job buddy :) No problem if you need any more help tag me. Don't forget to close the question and have a happy studying. Welcome to OpenStudy by the way :)