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MathematicsMathematics
11 March, 23:54

Trianglia is a triangular island. Each side increases by 2.5 km. Using l (l is the variable) for the length of the shortest side, the perimeter is represented by the expression:

l + (l+2.5) + (1+5)

Sean thinks that the expression 3 (l+2.5) could also be used to represent the perimeter.

Is Sean correct?

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Answers (1)
  1. 12 March, 03:39
    0
    No Sean is not correct because if you use distributive property, Sean's answer is not reasonable.
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Home » Mathematics » Trianglia is a triangular island. Each side increases by 2.5 km. Using l (l is the variable) for the length of the shortest side, the perimeter is represented by the expression: l + (l+2.5) + (1+5) Sean thinks that the expression 3 (l+2.
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