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Nookie1986 [14]
3 years ago
10

(2x+1)^2+4x(x-1)-3+3(-4x^2

Mathematics
2 answers:
kirill115 [55]3 years ago
8 0
The answer is -4x^2 - 2

I used Photomath
Rufina [12.5K]3 years ago
6 0

Answer:

−4x2−2

Step-by-step explanation:

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Lostsunrise [7]

Answer:

y = 3/5x + 3

Step-by-step explanation:

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3 years ago
The volume of a cylinder is 225pi in.Cubed and the height of the cylinder is 1 in. What is the radius of the? cylinder?
arlik [135]

Answer:

<h2>r = 15 in</h2>

Step-by-step explanation:

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V=\pi r^2H

r - radius

H - height

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Substitute:

225\pi=\pi r^2(1)            <em>divide both sides by π</em>

225=r^2\to r=\sqrt{225}\\\\r=15\ in

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