SOLUTION: the cost of the square field is {{{20(a^2)+15ab-5a(b^2)}}} dollars . the cost per meter square is 5 dollars. what is the area and dimension of the field
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Question 697501: the cost of the square field is dollars . the cost per meter square is 5 dollars. what is the area and dimension of the field
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
cost per square meter = $5
Area = /5
Area =
Area =
Area =4a(a+b)-b(a+b)
Area = (a+b)(4a-b) sq. meters
The dimensions are (a+b) meters & (4a-b) meters
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