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gogolik [260]
3 years ago
15

What is the surface area of the cylinder

Mathematics
2 answers:
Verdich [7]3 years ago
5 0

Answer:

b

Step-by-step explanation:

Arte-miy333 [17]3 years ago
3 0
The answer is B!!!!!!
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winthrop Middle School had enrollment of 1,342 and a total of 215 teachers. what was the student teacher ratio for this School w
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Hoochie [10]

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Step-by-step explanation:

7 0
3 years ago
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SOLVE x^4 − 15x^2 − 16 = 0 <br> What are the roots of the equation?
kakasveta [241]

Answer:

roots : 4, -4, i, -i

Step-by-step explanation:

This gets a bit tricky.

We have to substitude x^2 as u in this problem.

Now to rewrite x^4 − 15x^2 − 16 = 0 with u, we get

u^2 - 15u - 16 = 0

( u - 16) (u + 1)

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<em>This is not the end of the problem. </em>

Now we have to substitute x^2 back to u.

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tadah!

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