SOLUTION: so the the rectangle has a perimeter of 30 cm and width of x cm . it says write an expression for length of the rectangle in terms of x. help me
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Question 854707: so the the rectangle has a perimeter of 30 cm and width of x cm . it says write an expression for length of the rectangle in terms of x. help me
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
let l be the length of the rectangle, we know the perimeter (P) is
2x + 2l = 30
solve for l
2l = 30 - 2x
l = 15 - x
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