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Mathematics 8 Online
OpenStudy (anonymous):

@iGreen @AnswerMyQuestions

OpenStudy (anonymous):

A cylindrical tank holds 14,130 in^3 of water. Ida empties the tank into 25 identical smaller cylinders, each with a radius of 3 in. What is the height of the 25 smaller cylinders? Use 3.14 to approximate pi. ____ in.

OpenStudy (igreen):

Okay, all the cylinders take up 14,130 in^3 of water..and each have a radius of 3. \(V = \pi r^2 h\) \(14130 = (3.14)(3^2)h\) Solve for 'h'

OpenStudy (anonymous):

Still not sure what I would do, honestly

OpenStudy (igreen):

Simplify the right side \((3.14)(3^2)\)

OpenStudy (anonymous):

28.26

OpenStudy (igreen):

Correct, so we have: \(14130 = 28.26h\) Now divide 28.26 to both sides

OpenStudy (anonymous):

500 = h

OpenStudy (igreen):

Yep, now divide that by 25, since we have 25 containers.

OpenStudy (anonymous):

20

OpenStudy (igreen):

Yep, that's our answer.

OpenStudy (anonymous):

Thanks. I only have a few more

OpenStudy (igreen):

Okay

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