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Mathematics 22 Online
OpenStudy (anonymous):

Medal question

OpenStudy (anonymous):

Hey, hold on.

OpenStudy (bhandarialex66):

what is the question

OpenStudy (anonymous):

OpenStudy (domebotnos):

To find the volume of a cylinder it is (3.14)(radius^2)(height). This is how you do the original cylinder. (3.14)(2^2)(7) (3.14)(4)(7) (12.56)(7) 87.92

OpenStudy (domebotnos):

The other cylinder is: (3.14)(6^2)(21) (3.14)(36)(21) (113.04)(21) 2373.84

OpenStudy (domebotnos):

2373.84/87.92 = 27 The answer is A.

OpenStudy (domebotnos):

Do u understand?

OpenStudy (anonymous):

(pi) *(2^2)*(7)

OpenStudy (anonymous):

That's the formula correct?

OpenStudy (anonymous):

Wait, how did you get the 87.92?

OpenStudy (anonymous):

Oh nevermind, I see it.

OpenStudy (domebotnos):

(pi)(radius^2)(height) plug in because it will not always be those exact numbers. :)

OpenStudy (anonymous):

I'm trying to figure out on how did you get the 6^2 and 21?

OpenStudy (anonymous):

On finding the second cylinder.

OpenStudy (domebotnos):

It said what would happen if the dimensions were tripled, so I multiplied them all by 3, except for pi.

OpenStudy (domebotnos):

Do u get it?

OpenStudy (anonymous):

So whenever it said "Triple" you just put the number 3 into the equation?

OpenStudy (domebotnos):

No I multiplied the dimensions by three.

OpenStudy (anonymous):

Yes, I understand that, what I'm saying is you need to put 3 into the equation as well right?

OpenStudy (anonymous):

Then the 21 you just multiplied 7 three times.

OpenStudy (domebotnos):

What do u mean put 3 into the equation? You only multiply the dimensions which is 2 and 7, the radius and the height.

OpenStudy (anonymous):

Yeah, for finding the second cylinder.

OpenStudy (domebotnos):

Correct.

OpenStudy (anonymous):

Alright, I have one more question.

OpenStudy (anonymous):

OpenStudy (domebotnos):

To find the volume of a rectangular prism, you multiply all width, length, and height. l*w*h Plug in: 19*9*2 19*9*2 171*2 342 It is 341ft.

OpenStudy (domebotnos):

Typo 342ft.

OpenStudy (anonymous):

I understand so far.

OpenStudy (domebotnos):

To find gallons, divide the amount of feet by .134 or the amount it takes to make 1 gallon. 342/0.134 2552.2388 is the answer. The closest answer is A: 2552 gallons. Do u understand still?

OpenStudy (anonymous):

Easy understanding. I really appreciate it.

OpenStudy (domebotnos):

No problem. May I have a medal?

OpenStudy (domebotnos):

:)

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