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vlada-n [284]
4 years ago
11

FIND THE SURFACE AREA HELP ASAP GET BRAINLISTS

Mathematics
1 answer:
3241004551 [841]4 years ago
4 0

Answer:

\large\boxed{a.\ 7200\pi\ mm^2}

Step-by-step explanation:

The formula of a surface area of a cylinder:

S.A.=2\pi r(r+H)

r - radius

H - height

We have r = 40mm and H = 50mm. Substitute:

S.A.=2\pi(40)(40+50)=80\pi(90)=7200\pi\ mm^2

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g100num [7]

Answer:

= x^4 -x^3 -4x^2 -3

Step-by-step explanation:

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We want to find f-g

(f-g) (x) = x^4 -x^2 +9 - (x^3 +3x^2 +12)

Distribute the minus sign

(f-g) (x) = x^4 -x^2 +9 - x^3 -3x^2 -12

            = x^4 -x^3 -4x^2 -3

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<u>e</u>

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3 years ago
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riadik2000 [5.3K]
<h3>Answer: Choice A</h3>

y axis, x axis, y axis, x axis

============================

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