(I NEED IT ANSWERED NOW) The length of a rectangle is x + 6. The width of the rectangle is 3x + 4. Which expression represents the perimeter of the rectangle?

A 4x+104x+10

B 4x2+104x2+10

C 8x+208x+20

D 8x2+108x2+10

Question

08-06-2018
Mathematics

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(I NEED IT ANSWERED NOW) The length of a rectangle is x + 6. The width of the rectangle is 3x + 4. Which expression represents the perimeter of the rectangle?

A 4x+104x+10

B 4x2+104x2+10

C 8x+208x+20

D 8x2+108x2+10

Respuesta :

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Luv2Teach Luv2Teach · Answer 1 · 2018-06-08T16:55:54+02:00

Luv2Teach Luv2Teach

08-06-2018

The perimeter is found by adding all the sides together. You have 2 lengths and 2 widths, therefore, the perimeter is P = 2l + 2w. 2(x+6)= 2x+12 and 2(3x+4)= 6x + 8. So your perimeter is 2x + 6x + 12 + 8, which simplifies to 8x+20. I think it's supposed to be c and you mistyped the choice.

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(I NEED IT ANSWERED NOW) The length of a rectangle is x + 6. The width of the rectangle is 3x + 4. Which expression represents the perimeter of the rectangle? A 4x+104x+10 B 4x2+104x2+10 C 8x+208x+20 D 8x2+108x2+10

Respuesta :

Otras preguntas

(I NEED IT ANSWERED NOW) The length of a rectangle is x + 6. The width of the rectangle is 3x + 4. Which expression represents the perimeter of the rectangle?

A 4x+104x+10

B 4x2+104x2+10

C 8x+208x+20

D 8x2+108x2+10