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19 February, 10:42

The length of a rectangle is 3 times the width which algebraic expression represents the perimeter of the rectangle?

A. 3x + x

B. 4x

C. x+x+x+x

D. x+3x+x+3x

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Answers (1)
  1. 19 February, 11:33
    0
    D. x + 3x+x+3x

    The (x) represents the width of the rectangle, while (3x) represents the length. And when finding the perimeter you have to add which is why it's D.
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