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Zolol [24]
3 years ago
9

The grades on a geometry midterm at Oak have a mean of u = 74 and a

Mathematics
1 answer:
andrew11 [14]3 years ago
4 0

Answer:

-1.00

Step-by-step explanation:

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Solve the equation. 8x2 – 4 = 28
Flura [38]
Hello,

Your answer would be 2, -2.

8x^2 - 4 = 28

8x^2-4+4=28+4

8x^2 = 32

\frac{8x^2}{8}=  \frac{32}{8}  


x^2 = 4

x = +/4 

x = 2 or x = -2

2 , -2 would be the answer! :)


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elena-s [515]

Answer:

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Step-by-step explanation:

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It is already in identity.
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