》,《 - больше либо равно Решите неравенства пж: x больше 10 11+1/9z ≥5 35-5x меньше 0 60 ≥5-13x 9,5-11《11,5x+3 29x+4 1/4 ≥33x+3 1/3 49-3(3-2z)《1-4z -0,5(8x+9)-0,9 больше 4x-3
》,《 - больше либо равно
Решите неравенства пж:
x>10
11+1/9z ≥5
35-5x<0
60 ≥5-13x
9,5-11《11,5x+3
29x+4 1/4 ≥33x+3 1/3
49-3(3-2z)《1-4z
-0,5(8x+9)-0,9>4x-3
Ответ(ы) на вопрос:
Гость
1) [latex] \left \{ {{x\ \textgreater \ 10} \atop {11+\frac{1}{9}x \geq 5 }} \right. [/latex]
[latex] \left \{ {{x\ \textgreater \ 10} \atop {9*11+9*\frac{1}{9}x \geq 9*5 }} \right. [/latex]
[latex] \left \{ {{x\ \textgreater \ 10} \atop {99+x \geq 45}} \right. [/latex]
[latex] \left \{ {{x\ \textgreater \ 10} \atop {x \geq 45-99}} \right. [/latex]
[latex] \left \{ {{x\ \textgreater \ 10} \atop {x \geq -54}} \right. [/latex]
x∈(10, +∞)
2) [latex] \left \{ {{35-5x\ \textless \ 0} \atop {60 \geq 5-13x}} \right. [/latex]
[latex] \left \{ {{-5x\ \textless \ -35} \atop {13x \geq 5-60}} \right. [/latex]
[latex] \left \{ {{x\ \textgreater \ 7} \atop {13x \geq -55}} \right. [/latex]
[latex] \left \{ {{x\ \textgreater \ 7} \atop {x \geq - \frac{55}{13}}} \right. [/latex]
x∈(7, +∞)
3) [latex] \left \{ {{9.5-11 \leq 11.5x+3} \atop {29x+4\frac{1}{4} \geq 33x+3\frac{1}{3}}} \right. [/latex]
[latex] \left \{ {{-1.5 \leq 11.5x+3} \atop {29x+\frac{17}{4} \geq 33x+\frac{10}{3}}} \right. [/latex]
[latex] \left \{ {{-11.5x \leq 3+1.5} \atop {29x-33x \geq \frac{10}{3}-\frac{17}{4} }} \right. [/latex]
[latex] \left \{ {{-11.5x \leq 4.5} \atop {-4x \geq \frac{40-51}{12} \right. [/latex]
[latex] \left \{ {{x \geq -4.5:11.5} \atop {-4x \geq -\frac{11}{12} \right. [/latex]
[latex] \left \{ {{x \geq - \frac{45}{10}:\frac{115}{10}} \atop {x\leq\frac{11}{48}} \right. [/latex]
[latex] \left \{ {{x \geq - \frac{45}{10}*\frac{10}{115}} \atop {x\leq\frac{11}{48}} \right. [/latex]
[latex] \left \{ {{x \geq - 9*\frac{1}{23}} \atop {x\leq\frac{11}{48}} \right. [/latex]
[latex] \left \{ {{x \geq -\frac{9}{23}} \atop {x\leq\frac{11}{48}} \right. [/latex]
x∈[latex][-\frac{9}{23},[/latex] [latex]\frac{11}{48}][/latex]
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