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20 December, 21:24

X^2+y^2-10=0

Write the values of y, for which the equation has sense.

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Answers (1)
  1. 21 December, 00:20
    0
    Answer: y = 3

    Step-by-step explanation:

    The objective is to get 0 on the left side to equal the 0 on the right side. I'd like to do this by making the sum of x^2 and y^2 equal to 10. If (x^2+y^2) = 10, the - 10 on the left side will cancel it out to equal 0.

    1^2 = 1

    3^3 = 9

    1 + 9 = 10

    Therefore, x is 1 and y is 3.

    x^2 + y^2 - 10 = 0

    1^2 + 3^2 - 10 - 0

    1 + 9 - 10 = 0

    10 - 10 = 0

    0 = 0
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