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Kc
Kc asked in Science & MathematicsMathematics · 3 years ago

10t^2=7t +1 algebraic method?

2 Answers

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  • Jeff Aaron
    Lv 7
    3 years ago

    10t^2 - 7t = 1

    t^2 - 0.7t = 0.1

    t^2 - 0.7t + 0.1225 = 0.1 + 0.1225

    (t - 0.35)^2 = 0.2225

    t - 0.35 = +/- sqrt(0.2225)

    t = 0.35 +/- sqrt(0.2225)

    t =~ 0.82169905660283019056603301888113 or -0.12169905660283019056603301888113

  • ?
    Lv 7
    3 years ago

    10t^2 - 7t-1=0

    quadratic formula

    t = (7+√89)/20 or t = (7-√89)/20

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