A company makes wax candles in the shape of a cylinder. Each candle has a radius of 2 inches and a height of 8 inches. How much wax will the company need to make 180 candles?
Use
3.14
for π, and do not round your answer.
18,086.4ft3
A silo is in the shape of a cone. The silo is 12 meters tall, and its base has a radius of 2 meters. Oats cost $98 per cubic meter. How much will it cost to fill the silo with oats?
Use
3.14
for π, and do not round your answer.
4923.52
A manufacturer makes decorative globes out of silver in the shape of a solid sphere. Suppose each sphere has a radius of 4.5cm. If silver is priced at $5.00per cm3, how much will the silver cost to make one solid sphere?
Use
3.14
for π, and do not round your answer.
678.24
The radius, R, of a sphere is 4.2mm. Calculate the sphere's volume, V.
Use the value
3.14
for π, and round your answer to the nearest tenth. (Do not round any intermediate computations.)
V=659.2cm3
A trucking company needs to move a pile of pebbles. The pebbles are stored in a pile shaped like a cone. The pile is 10 yards high, and its base has a diameter of 6 yards. How many truckloads will the company need, if each truck holds 7.85yd3 of pebbles?
Use
3.14
for π, and do not round your answer.
12 truckloads