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OpenStudy (anonymous):
A hard candy has a radius of 9 mm. The candy has a spherical soft center with a radius of 6 mm, with a hard shell surrounding it. What is the volume of the hard shell? Use 3.14 to approximate pi and express your final answer in hundredths.
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OpenStudy (anonymous):
Find the volumes of the two spheres.
OpenStudy (anonymous):
V = 4/3 * pi * r^3 V = 4/3 * 3.14 * 9^3 V = 4/3 * pi * r^3 V = 4/3 * 3.14 * 6^3
OpenStudy (anonymous):
Simplify and subtract them.
OpenStudy (anonymous):
2147.76?
OpenStudy (anonymous):
Yep!
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OpenStudy (anonymous):
That's our answer.
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