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tekilochka [14]
3 years ago
5

How do I solve this

Mathematics
1 answer:
Flauer [41]3 years ago
3 0
Volume of Cylinder  V₁ =πR². H

Volume of a cone  V₂ = (1/3).πR².h

We know that H=4h (given) &  R, the radius =75 &The total Volume = V₁+V₂,
We also know that the hopper has one cylinder & 2 equal cones
Hence
πR². H + 2 [(1/3).πR².h] =343,000 ft³
π(75)².H + 2[(1/3).π(75)².h] =343,000
But H = 4h, then
π(75)².4h + 2[(1/3).π(75)².h] =343,000. Solve for h
26250.π.h = 81,466.8.h = 343,000

& h=343,000/81,466.8, ==> h=4.16 ft & H =16.6 FT



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