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12-02-2021
Mathematics

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The width of a rectangle is the length minus 6 units the area of the rectangle is 27 units

Respuesta :

clarch19 clarch19

13-02-2021

Answer:

length = 9 units

Step-by-step explanation:

l = length

n - 6 = width

A = n(n - 6)

A = n² - 6n

27 = n² - 6n

n² - 6n - 27 = 0

(n + 3)(n - 9) = 0

n = -3, n = 9

length must be 9 because it cannot be a negative value

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