zyxifys zyxifys

03-05-2022
Mathematics

contestada

7. If the perimeter of the rectangle is 6x + 18, then what is the length of the rectangle? (level 4)
x + 5
length

Respuesta :

msakerj msakerj

04-05-2022

Answer:

[tex]l = 2x + 4[/tex]

Step-by-step explanation:

[tex]p = 6x + 18 \\ w = x + 5 \\ p = 2(l + w) \\ 6x + 18 = 2(l + x + 5) \\ 6x + 18 = 2l + 2x + 10 \\ 2l = 4x + 8 \\ l = 2x + 4[/tex]

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