3 years ago

Mhanifa please help! Solve each proportion. Round your answer to the nearest hundreth

Mathematics

1 answer:

Marianna [84]3 years ago

4 0

Answer:

5) m/5 = 7/2 ⇒ m = 5*7/2 ⇒ m = 35/2
6) 7/4 = r/5 ⇒ r = 5*7/4 ⇒ r = 35/4
7) 7/6 = 5/x ⇒ x = 5*6/7 ⇒ x = 30/7
8) 6/5 = 2/(5n) ⇒ 5n*6 = 5*2 ⇒ n = 10/30 ⇒ n = 1/3

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grandymaker [24]

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3 years ago

(15pts)

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I can't see pictures, but I'll try.

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aliya0001 [1]

S(r) = 2pi*r*h + 2pi*r^2

S ' (r) = 2pi*h + 2*2*pi*r .... differentiate with respect to r

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S ' (3) = 2pi*h + 4pi*3 ... plug in r = 3

S ' (3) = 2pi*h + 12pi

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Answer: D) 16pi

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Answer:

I think it's -12

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