Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0.5sqrt(9t^2-60t+23)     Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        0.5 * sqrt ( 9 * t ^ 2 - 60 * t + 23 ) < t + 1         (1)
        From the definition field of √
         9 * x ^ 2 - 60 * x + 23 ≥ 0        (2 )

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    From inequality(1)：
         0.285401 < t < 13.314599
    From inequality(2)：
         t ≤ 0.408345 或  t ≥ 6.258321

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    From inequalities (1) and (2)
         0.285401 < t ≤ 0.408345 或  6.258321 ≤ t < 13.314599    (3)

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    The final solution set is :
         0.285401 < t ≤ 0.408345 或  6.258321 ≤ t < 13.314599

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