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11-12-2018
Mathematics

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Point A lies on the circle and has an x-coordinate of 3.

Point A lies on the circle and has an xcoordinate of 3 class=

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Аноним Аноним

11-12-2018

Answer:

y = √7

Step-by-step explanation:

This circle has a center at (0,0) and a radius of 4 so its equation is:-

x^2 + y^2 = 16

when x= -3, (-3)^2 + y^2 = 16

9 + y^2 = 16

y^2 = 7

y = √7

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