5) 10r2 + 3 = 813 how do I solve by square roots ​

Question

5) 10r2 + 3 = 813

how do I solve by square roots ​

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Elliana 2 weeks 2021-09-27T13:53:45+00:00 2 Answers 0

Answers ( )

    0
    2021-09-27T13:55:15+00:00

    10r² + 3 = 813

    10r² = 813 – 3

    10r² = 810

    r² = 810 ÷ 10

    r² = 81

    r = √81

    r = 9

    So, the value of r is 9

    Hope it helpful and useful :)

    0
    2021-09-27T13:55:23+00:00

    The answer is r^1=-9, r=-9 because you have to solve the equation.

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