TrevinSeginak TrevinSeginak

26-12-2020
Mathematics

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jimrgrant1 jimrgrant1

26-12-2020

Answer:

P = 2x + 2y + 8

Step-by-step explanation:

The perimeter (P) of a rectangle is calculated as

P = 2(l + w) ← l is length and w is width , then

P = 2(x + 5 + y - 1) ← distribute parenthesis

= 2x + 10 + 2y - 2 ← collect like terms

= 2x + 2y + 8

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