babysiying
babysiying
19-02-2018
Mathematics
contestada
Pls answer 31 and 32. Show all your work.
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Catya
Catya
19-02-2018
31. diameter is twice radius. volume cylinder = πr²h
112π = π(7)²h
112π/(49π) = h
16/7 = h
32. volume of sphere is (4/3)πr³
if r = 1 the volume just = (4/3)π
both answers are C
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