SOLUTION: 4. Landscaping- Decorative Moon Rocks cost $92 per cu yd. What will be the cost of a conical pile of this rock 3 1/3 yd in diameter and 2 1/4 yd high? Round to nearest dollar.

Question 109189: 4. Landscaping- Decorative Moon Rocks cost $92 per cu yd. What will be the cost of a conical pile of this rock 3 1/3 yd in diameter and 2 1/4 yd high? Round to nearest dollar.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Moon Rocks cost $92 per cu yd. What will be the cost of a conical pile of this rock 3 1/3 yd in diameter
and 2 1/4 yd high? Round to nearest dollar.
:
WE know the volume of a cone: V =
:
Let the diameter which is given as: 3 1/3 =
Find the radius: * = =
and
Let the height which is given as: 2 1/4 =
:
V =
:
V =
:
Note that in we can cancel the 9:
V =
V =
V = 6.545 cu yd
:
Cost = 6.545 * 92 = 602.13 = $602
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