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kirill115 [55]
3 years ago
15

Have one more try REAL ANSWER ONLY

Mathematics
1 answer:
AnnyKZ [126]3 years ago
6 0

Known: The surface area of circle formula = πr2 where 'r' is the radius of the circle and the value of π is approximately 3.14 or 22/7.

Solve for the circle inside the ball:

Surface Area =  4πr2

=  4×π×112

=  484π

=  1520.5308443375 feet2

= ( round the nearest tenth )

= 1520.5

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Step-by-step explanation:

I decided that isolating the y value of the second equation is the best way to start solving.

I divide 3 from both sides to get y= (4-x)/3. With this, I can substitute into the first equation. 4x+3(4-x)/3)=-2.

The multiplying the 3 by the denominator three cancels each other out to make:

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I hope you learned something :)

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How to solve this problem?
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