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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 15-0.1x-0.777sqrt(x) >= 0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        15 - 0.1 * x - 0.777 * sqrt ( x ) >= 0         (1)
        From the definition field of √
         x ≥ 0        (2 )

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    From inequality(1)：
         x ≤ 80.350801
    From inequality(2)：
         x ≥ 0

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    From inequalities (1) and (2)
         0 ≤ x ≤ 80.350801    (3)

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    The final solution set is :
         0 ≤ x ≤ 80.350801

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