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Pachacha [2.7K]
3 years ago
14

X^2+y^2-4y-15=6

Mathematics
1 answer:
myrzilka [38]3 years ago
8 0

Answer:

x^2 + y^2 - 4y - 15 = 6

x^2 + y^2 - 4y = 21

x^2 + y^2 - 4y + 4 = 25

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

r = 5

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