A metal square used in an electronic device must have a thickness of 0.02 inch, with an allowable error of 1 percent. What is th
1 answer:
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Well, it is 
. That is, the equation is 
. The run could be found when y=0, so 
or 
or 
or 
. 375 inches. 30 feet means 360 inches, as far as I remember (in my country only metric systems are being used :) ) so it doesn't really work -- the ramp is just a bit too long.
ANSWER
36 cubic inches.
EXPLANATION
The volume of a square pyramid is calculated using the formula:
where l² is the area of the base and h= 6 inches is the height of the square pyramid.
We substitute the values into the formula to get,
We simplify to get:
Therefore the volume of the square pyramid is 36 cubic inches.