12=-4(-6x-3) solve for x

Mathematics

2 answers:

Finger [1]3 years ago

4 0

I think the answer is x=O

gladu [14]3 years ago

3 0

12 = -4(-6x-3)
12 = 24x + 12
0 = 24x
0 = x

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1) 72 $\pi$ cm² / min. ;
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2) 192 $\pi$ cm² / min.
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Area of a circle: A = $\pi$ r² ;

Rate of change of Area is: da/dt = 2 $\pi$ r (dr/dt) ;

Given: dr/dt = 3 cm / min.
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Problem 2)
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