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adoni [48]
3 years ago
13

What is the answer to the problem i need help with?

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

Answer:

C

Step-by-step explanation:

Recall the equation for a circle:

(x-h)^2+(y-k)^2=r^2, where the center is (h,k) and the radius is r.

The given equation is:

(x+5)^2+(y+7)^2=21^2

Another way to write this is:

(x-(-5))^2+(y-(-7))^2=21^2

Thus, we can see that h=-5 and k=-7.

The center is at (-5, -7).

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Answer:

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Step-by-step explanation:

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For finding the value of x we have to square both side

On squaring both side

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So x = 8

So the value of x will be 8

So answer will be 8

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