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3 years ago

14

2 ^ x - 12/2 ^ x is equal to -4

1 answer:

Anastaziya [24]3 years ago

4 0

Answer:

-3071/16

Step-by-step explanation:

Hope this helps, if you wrote it wrong or need help understanding please let me know!

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( n + -2 ) x ( n - -4 ) = 27<br><br> What are the two n's?

Flauer [41]

Simplify n + -2 to n - 2

(n - 2)(n + 4) = 27

Expand

n^2 + 4n - 2n - 8 = 27

Simplify n^2 + 4n - 2n - 8 to n^2 + 2n - 8

n^2 + 2n - 8 = 27

Move all terms to one side

n^2 + 2n - 8 - 27 = 0

Simplify n^2 + 2n - 8 - 27 to n^2 + 2n - 35

n^2 + 2n - 35 = 0

Factor n^2 + 2n - 35

(n - 5)(n + 7) = 0

Solve for n

<u>n = 5, -7</u>

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What is the rest of the question??

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3 years ago

1. What is the approximate area of a circle with a diameter of 20 inches?

ad-work [718]

Answer:

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2. 27 $cm^{3}$

3. 30

Step-by-step explanation:

Area = $\pi$ $r^{2}$

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If a person rides their bike 40 miles in 5 hours, then they rode their bike at a speed of ___ Mph?

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Answer:

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Step-by-step explanation:

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