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postnew [5]
3 years ago
7

What value of g makes the equation true? (x+7)(x-4)=x²+gx-28

Mathematics
1 answer:
defon3 years ago
6 0

Answer:

g=3

Step-by-step explanation:

multiply x with x-4 and +7 with x-4 to open the brackets

x^2 - 4x + 7x - 28 = x^2 +gx - 28

x^2 + 3x - 28 = x^2 + gx -28

x^2 - x^2 + 3x -28 + 28 = gx

gx is kept alone on the other side because we have to find value of g

cancel out +x^2 -x^2 and +28 -28

we ll be left with

3x = gx

divide both sides by x

3x/x = gx/x

cancel out x in the numerators with the x in the denominators

3 = g

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No because 21 is close to it.

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To be considered an outlier, it would need to be a farther distance such as the distance from 28 to 21.

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4 years ago
Which fraction is equivalent to 38%?<br> A. 3/8<br> B. 9/25<br> C. 19/50<br> D. 3 4/5
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<h2>—Math</h2>

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3 years ago
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vampirchik [111]
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8 0
3 years ago
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Answer:

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