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Sever21 [200]
3 years ago
14

The answer to number 27

Mathematics
1 answer:
vovikov84 [41]3 years ago
4 0

Area = Length x width.

30 = w x 3w +1

Simplify:

3w^2 + w = 30

Subtract 30 from both sides:

3w^2 + w -30 =0

Factor

(w-3)(3w+10) = 0

Solve for the w's:

w = 3 and x = -3 1/3

Since the number cant be negative w = 3

The width = 3 cm.

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