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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -5(x-70)^2+4500-200 ≥3920 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -5 * ( x - 70 ) ^ 2 + 4500 - 200 ≥3920         (1)

---

    From inequality(1)：
         61.282202 ≤ x ≤ 78.717798

---

    The final solution set is :
         61.282202 ≤ x ≤ 78.717798

Your problem has not been solved here? Please take a look at the  hot problems ！