Clarissa has a sink that is shaped like a half sphere. the sink has a volume of 660pi in^3. one day, her sink clogged. she has to use on conical cup to scoop water out of the sink. the sink is completely full when clarissa begins scooping. (a) the conical cup (shaped like a cone) has a diameter of 5 in. and a height of 8 in. how many cups of water must clarissa scoop out of the sink with this cup to empty it ?

i leave the calculator work to you.

7. diameter 4 miles, circumference 4π miles

8. radius 0.2 miles, circumference 0.4π miles

[this is a bad problem because the actual radius of a car on the track is less than 0.2 miles so the answer is less than 0.4π miles]

9. radius 6 feet, circumference 12π feet

10. diameter 14 cm, circumference 14π cm

11. diameter 4.8 feet, circumference 4.8π feet

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this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.