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26 July, 03:23

What is the value of x in the equation 25x^2=16? A. + 5/4 B.+4 C. + 4/5 D.+16/25

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  1. 26 July, 03:47
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    x = ± 4/5

    Step-by-step explanation:

    25 x^2 = 16

    Divide each side by 25

    25 x^2 / 25 = 16 / 25

    x^2 = 16 / 25

    Take the square root of each side

    sqrt (x^2) = ±sqrt (16/25)

    We know that sqrt (a/b) = sqrt (a) / sqrt (b)

    x = ±sqrt (16) / sqrt (25)

    x = ± 4/5
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