sisser1997 sisser1997

13-05-2017
Mathematics

contestada

the equation of a circle is (x-7)^2 +y^2=225. which of the following are the center and the radius of the circle?

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evrettelian32 evrettelian32

15-05-2017

(x-7)^2+y^2=225={x-7- 225-y2}
x=225-y2+7

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