# SOLUTION: An aluminum plate is made according to the following dimensions. The outer radius is 10 inches and the inner radius is 3 inches. Use p = 3.14 as an approximate value. (a) How man

Algebra ->  Algebra  -> Proportions -> SOLUTION: An aluminum plate is made according to the following dimensions. The outer radius is 10 inches and the inner radius is 3 inches. Use p = 3.14 as an approximate value. (a) How man      Log On

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 Question 154877: An aluminum plate is made according to the following dimensions. The outer radius is 10 inches and the inner radius is 3 inches. Use p = 3.14 as an approximate value. (a) How many square inches in area is the aluminum plate? (b) If the cost to construct the plate is \$7.50 per square inch, what is the construction cost? Can you please explain this to me with an algebraic example? Thank you.Answer by jojo14344(1512)   (Show Source): You can put this solution on YOUR website!a) get the of the Outer Radius= + Inner radius= Remember: So, = b)* \$2568.252 ---------------------> cost to make it Thank you, Jojo