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14 March, 21:24

Zohar is using scissors to cut a rectangle with a length of 5x - 2 and a width of 3x + 1 out of a larger piece of paper. Which

expression can be used to find the perimeter of the rectangle and what is the perimeter if x = 4?

(5x-2) + (3x+1), 31 centimeters

(5x-2) + (3x+1), 36 centimeters

2 (5x-2) + 2 (3x+1), 62 centimeters

O2 (5x-2) + 2 (3x+1), 70 centimeters

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Answers (2)
  1. 14 March, 21:31
    0
    2 (5x-2) + 2 (3x+1)

    Step-by-step explanation:

    perimeter of rectangle = 2l + 2w

    perimeter = 2 (5x-2) + 2 (3x+1)

    = 10x - 4 + 6x - 2

    = 16x - 2

    when x=4, 16 (4) - 2

    = 62cm

    (Correct me if i am wrong)
  2. 14 March, 21:37
    0
    2 * (5x - 2) + 2 * (3x+1); Perimeter = 62 centimeters

    Step-by-step explanation:

    2 * (5x - 2) + 2 * (3x+1) = 10x - 4 + 6x + 2

    = 16x - 2

    If x = 4, then Perimeter = 16*4 - 2 = 64 - 2 = 62 cm
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