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13-12-2020
Mathematics

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gufeliz1965 gufeliz1965

13-12-2020

Problem 1

A = length times width

A = w(w + 0.6)

A = w^2 + 0.6w

Answer choice D.

Problem 2

16/9 = 42/x

9(42) = 16x

378 = 16x

378/16 = x

23.625 = x

Answer choice C.

Problem 3

f(-5) = 4(-5) + 3

f(-5) = -20 + 3

f(-5) = -17

Answer choice B.

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