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Mathematics 9 Online
OpenStudy (anonymous):

CAN SOMEONE HELP???? FAN+MEDAL-BEST RESPONSE-

OpenStudy (anonymous):

OpenStudy (igreen):

I'm guessing both of them are spheres..just find the volume of the whole thing, then the spherical inside and subtract the inside from the whole. \(V = \dfrac{4}{3} \pi r^3\) \(V = \dfrac{4}{3} (3.14)( 9^3)\) Simplify

OpenStudy (anonymous):

then do the same process with the small spherical shape and subtract that total from the outer part

OpenStudy (anonymous):

ok..can u break it down for me?

OpenStudy (igreen):

Simplify 4/3 * 3.14 * 9 * 9 * 9

OpenStudy (anonymous):

3052.07

OpenStudy (igreen):

\(\dfrac{4}{3}(3.14)(9^3) - \dfrac{4}{3}(3.14)(6^3)\) The only difference is the radius.

OpenStudy (igreen):

It's actually 3052.08

OpenStudy (igreen):

Now multiply 4/3 * 3.14 * 6 * 6 * 6 to find the area of the inside.

OpenStudy (igreen):

*volume

OpenStudy (anonymous):

904.32

OpenStudy (igreen):

Yes, now subtract 3052.08 - 904.32

OpenStudy (igreen):

That will be your answer.

OpenStudy (anonymous):

2147.76

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