Предмет: Математика,
автор: 2017элита
Помогите 97 балла и изобразите на рисунке
Приложения:
Ответы
Автор ответа:
1
1
6x+2-x≤3x+12
5x-3x≤12-2
2x≤10
x≤5
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
--------------------------[5]--------
2
7x+4x-8>6+18x
11x-18x>6+8
-7x>14
x<-2
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
-----------------------------(-2)--------
3
2x-2-3x-6<6+6x
-x-6x<6+8
-7x<14
x>-2
////////////////////////////////////////
-----(-2)------------------------------
4
7y+21-2y-4≥10y+2
5y-10y≥2-17
-5y≥-15
y≤3
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
--------------------------[3]--------
5
18+30y-2-7y≤20+5y
23y-15y≤20-16
8y≤4
y≤0,5
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
------------------------------[0,5]---------
6
12y-4-3y+3>6+2y
9y-2y>6+1
7y>7
y>1
/////////////////////////////////////
----(1)-----------------------------
6x+2-x≤3x+12
5x-3x≤12-2
2x≤10
x≤5
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
--------------------------[5]--------
2
7x+4x-8>6+18x
11x-18x>6+8
-7x>14
x<-2
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
-----------------------------(-2)--------
3
2x-2-3x-6<6+6x
-x-6x<6+8
-7x<14
x>-2
////////////////////////////////////////
-----(-2)------------------------------
4
7y+21-2y-4≥10y+2
5y-10y≥2-17
-5y≥-15
y≤3
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
--------------------------[3]--------
5
18+30y-2-7y≤20+5y
23y-15y≤20-16
8y≤4
y≤0,5
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
------------------------------[0,5]---------
6
12y-4-3y+3>6+2y
9y-2y>6+1
7y>7
y>1
/////////////////////////////////////
----(1)-----------------------------
Автор ответа:
0
1)6x+2-x≤3x+12
5x-3x≤12-2
2x≤10
x≤5
/////////////////////////////////////
___________________5_______
2)7x+4x-8>6+18x
11x-18x>6+8
-7x>14
7x<-14
x<-2
/////////////////////////////////////
___________________-2_________
3)2x-2-3x-6<6+6x
-x-6x<6+2+6
-7x<14
7x>-14
x>-2
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
___________-2__________________
4)7y+21-2y-4≥10y+2
5y-10y≥2-17
-5y≥-15
y≤3
/////////////////////////////////
_________________3______________
5)18+30y-2-7y≤20+15y
23y-15y≤20-16
8y≤4
y≤1/2
////////////////////////////////////
__________________1/2________
6)12y-4-3y+3>6+2y
9y-2y>6+1
7y>7
y>1
\\\\\\\\\\\\\\\\\\
__________________1__________
5x-3x≤12-2
2x≤10
x≤5
/////////////////////////////////////
___________________5_______
2)7x+4x-8>6+18x
11x-18x>6+8
-7x>14
7x<-14
x<-2
/////////////////////////////////////
___________________-2_________
3)2x-2-3x-6<6+6x
-x-6x<6+2+6
-7x<14
7x>-14
x>-2
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
___________-2__________________
4)7y+21-2y-4≥10y+2
5y-10y≥2-17
-5y≥-15
y≤3
/////////////////////////////////
_________________3______________
5)18+30y-2-7y≤20+15y
23y-15y≤20-16
8y≤4
y≤1/2
////////////////////////////////////
__________________1/2________
6)12y-4-3y+3>6+2y
9y-2y>6+1
7y>7
y>1
\\\\\\\\\\\\\\\\\\
__________________1__________
Похожие вопросы
Предмет: Алгебра,
автор: liar6294
Предмет: Алгебра,
автор: marina814290
Предмет: Другие предметы,
автор: ek2241632
Предмет: Химия,
автор: gagenlokh
Предмет: Математика,
автор: nika123325