SOLUTION: A rectangular picture measuring 5 in. by 9 in. is surrounded by a frame with uniform width x. Write a quadratic function in standard form to show the combined area of the picture
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Question 322075: A rectangular picture measuring 5 in. by 9 in. is surrounded by a frame with uniform width x. Write a quadratic function in standard form to show the combined area of the picture and frame.
Answer by Jk22(389) (Show Source): You can put this solution on YOUR website!
A=5*9+2x(5+9)+Pi*x^2=Pi*x^2+28x+45
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quadratic (=>) 4 round corner summing to a circle of radius x
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