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Mathematics, 06.10.2019 17:00 kevinbazalar

A. 6x^2+6y^2= 144

b. x^2/20 + y^2/20 = 1

c. x^2 + y^2 = 16

d. 20x^2 - 20y^2 = 400


A. 6x^2+6y^2= 144  b. x^2/20 + y^2/20 = 1 c. x^2 + y^2 = 16  d.

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You know the right answer?
A. 6x^2+6y^2= 144

b. x^2/20 + y^2/20 = 1

c. x^2 + y^2 = 16

d....

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