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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -10x×x+1400x ≥46750 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -10 * x × x + 1400 * x ≥46750         (1)

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    From inequality(1)：
         55 ≤ x ≤ 85

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    The final solution set is :
         55 ≤ x ≤ 85

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