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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （72000/πx^2）+（32*7200/πx^3） ≤35000000 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 72000 / π * x ^ 2 ) + ( 32 * 7200 / π * x ^ 3 ) ≤35000000         (1)

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    From inequality(1)：
         x ≤ 7.711901

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    The final solution set is :
         x ≤ 7.711901

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