SOLUTION: a 15 cubic feet concrete foundation is to be made from a material whose density is 275 lb/ft^3. how much of the material is needed to build the foundation? what is its the total s

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Question 1043383: a 15 cubic feet concrete foundation is to be made from a material whose density is 275 lb/ft^3. how much of the material is needed to build the foundation? what is its the total surface area?
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
v  volume
d  density
m  mass, as if weight is directly related to mass







SURFACE AREA?
Let x be edge length of the cube.


Six square sides make the surface.
You are looking for, as a symbolized formula, .

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