ballgum
ballgum ballgum
  • 17-03-2021
  • Mathematics
contestada

the perimeter of a rectangle is (10x2).if it's width is (2x-1),which expression represents the length
a.5x-2
b.3x+2
c.8x+3
d.12x+1​

the perimeter of a rectangle is 10x2if its width is 2x1which expression represents the lengtha5x2b3x2c8x3d12x1 class=

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xiaoline4ever
xiaoline4ever xiaoline4ever
  • 18-03-2021

Answer: b. 3x + 2

Step-by-step explanation:

2l + 2w = p

2l + 2(2x - 1) = 10x + 2

2l + 4x - 2 = 10x + 2

2l = 6x + 4

l = 3x + 2

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