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17-01-2019
Mathematics

contestada

the length of a rectangle is 8cm more then 3 times its width the perimeter of the rectangle is 64 cm. show the equation that would be used to find the dimensions of the rectangle.

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cblue8282 cblue8282

20-01-2019

Answer:

w=6, l=26

Step-by-step explanation:

[tex]\left \{ {{l=8+3w} \atop {2l+2w=64}[/tex]

2(8+3w)+2w=64

16+6w+2w=64

8w=48

w=6

l=8+3(6)

l=26

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