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17-03-2017
Mathematics

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A cylindrical garbage can has a radius of 2.8 feet and holds approximately 86.21 cubic feet of trash. Find the approximate height of the garbage can. 9.8 ft 3.5 ft 1.9 ft 5.2 ft

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apologiabiology apologiabiology

17-03-2017

v=hpir²
solve for h just for fun
divide both sides by pir²
v/(pir²)=h

given
v=86.21
r=2.8
pi=3.141592
86.21/(3.141592*2.8²)=h
3.5=h

answer is 3.5ft

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