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yawa3891 [41]
3 years ago
11

What is (f + g)(x)?f(x) = -4xg(x) = x² - 4​

Mathematics
1 answer:
kondaur [170]3 years ago
7 0
-4x+x^2-4
x^2-4x-4, is the answer
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NEED HELP ASAP. <br><br> a sphere has a surface area of 36pi ft2. find the volume of the sphere.
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Answer:

Approximately: 200.76π or 630.39

Step-by-step explanation:

Surface area for sphere formula: A = 4π(r^2)

36π = 4(r^2)

(36/4)π = [4(r^2)]/4

9π = r^2

28.26 = r^2 (since π equals 3.14)

√28.26 = √r^2

r ≈ 5.32

Volume for sphere formula: V = 4/3(π)(r^3)

V = 4/3(π)(5.32^3)

V ≈ 4/3(π)(150.57)

V ≈ 200.76π

or

V ≈ 630.39

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