СРОЧНО!!!!!! ПОМОГИТЕ ПРОШУ!!!!!!!!!! Решите систему неравенств: 6≥2y×(y-4) 18-y≤3×(2y+1). Created by gfdghhdghfdf. algebra-ru

СРОЧНО!!!!!! ПОМОГИТЕ ПРОШУ!!!!!!!!!! Решите систему неравенств: 6≥2y×(y-4) 18-y...

gfdghhdghfdf @gfdghhdghfdf

August 2022 1 9 Report

СРОЧНО!!!!!! ПОМОГИТЕ ПРОШУ!!!!!!!!!!

Решите систему неравенств:
6≥2y×(y-4)
18-y≤3×(2y+1)

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sangers1959

Verified answer

6≥2y*(y-4) 2y²+8y-6≤0 I÷2 y²+4y-3≤0 D=28 x∈[-2-√7(≈-4,65);-2+√7(≈0,65)]
18-y≤3*(2y+1) 7y≥15 x>15/7 x∈[≈2,29;+∞) ⇒
Система неравенств решения не имеет.

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