Предмет: Алгебра, автор: Anonikop

помогите пожалуйста
реши неравенство 2(8-3y)+4(9-y)>60
найди правильный ответ
y > -0,8
y > -11,2
y > 11,2
y < -0,8
y < - 11,2

Ответы

Автор ответа: MuhammadGulu
1

Ответ: x€(-∞;-0,8) -- 4й

2(8 - 3y) + 4(9 - y) &gt; 60 \\ 16 - 6y + 36 - 4y &gt; 60 \\  -6y - 4y &gt; 60 - 36 - 16 \\  - 10y &gt; 8 \\ y &lt;  - 0.8

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