anonymous
  • anonymous
A company that manufactures storage bins for grains made a drawing of a silo. The silo has a conical base, as shown below: Which of the following could be used to calculate the total volume of grains that can be stored in the silo? π(2ft)2(8ft) + one over threeπ(2ft)2(9.5ft − 8ft) π(8ft)2(2ft) + one over threeπ(2ft)2(9.5ft − 8ft) π(2ft)2(8ft) + one over threeπ(9.5ft − 8ft)2(2ft) <--- my answer π(8ft)2(2ft) + one over threeπ(9.5ft − 8ft)2(2ft)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@jim_thompson5910
jim_thompson5910
  • jim_thompson5910
|dw:1434773162856:dw|
jim_thompson5910
  • jim_thompson5910
|dw:1434773265813:dw|

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More answers

jim_thompson5910
  • jim_thompson5910
|dw:1434773328065:dw|
anonymous
  • anonymous
1.5
jim_thompson5910
  • jim_thompson5910
what is the volume of just the cylinder (ignore the cone)
jim_thompson5910
  • jim_thompson5910
just provide the formula you don't have to calculate anything
anonymous
  • anonymous
oh ok its 8 ft
jim_thompson5910
  • jim_thompson5910
Volume of cylinder \[\Large V = \pi*r^2*h\]
jim_thompson5910
  • jim_thompson5910
make the proper substitutions
anonymous
  • anonymous
im having a little trouble but i know the height would be 18 but im confused on the others sorry
anonymous
  • anonymous
im sorry i meant 8 not 18
jim_thompson5910
  • jim_thompson5910
no the height isn't 18 the height of the cylinder is 8
jim_thompson5910
  • jim_thompson5910
r = 2 h = 8 for the cylinder
anonymous
  • anonymous
|dw:1434774102132:dw| is this right
jim_thompson5910
  • jim_thompson5910
for the cone, r = 2 h = (9.5-8) volume of a cone formula \[\Large V = \frac{1}{3}\pi*r^2*h\]
anonymous
  • anonymous
oh ok |dw:1434774377668:dw|
jim_thompson5910
  • jim_thompson5910
Cylinder: \[\Large V_1 = \pi*r^2*h\] \[\Large V_1 = \pi*(2)^2*8\] Cone: \[\Large V_2 = \frac{1}{3}\pi*r^2*h\] \[\Large V_2 = \frac{1}{3}\pi*(2)^2*(9.5-8)\] Combine the two 3D figures \[\Large V_1 + V_2 = \pi*(2)^2*8+\frac{1}{3}\pi*(2)^2*(9.5-8)\]
jim_thompson5910
  • jim_thompson5910
|dw:1434774521126:dw|
anonymous
  • anonymous
@jim_thompson5910 would it be B ??
jim_thompson5910
  • jim_thompson5910
look again at \[\Large \pi*(2)^2*8+\frac{1}{3}\pi*(2)^2*(9.5-8)\]
jim_thompson5910
  • jim_thompson5910
and how I used the formulas to get that
anonymous
  • anonymous
oh ok i see (:

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