Помогите решить пожалуйста уровень 1 решить №2 и уровень 2 №1 все примеры.. Created by diman122001. algebra-ru

Уровень 1.№23-x≤5-x≤5-3-x≤2x≥ -24x-2<84x<8+24x<10x<2.5{x≥-2{x<2.5 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\--------- -2 -------------- 2.5 ---------//////////////////////////////////x∈[-2; 2.5)Уровень 2.№1.1) x-9<8x+5 x-8x<5+9 -7x<14 x> -2 x∈(-2; +∞)2) 4(x-11)-5(2x-7)≥0 4x-44-10x+35≥0 -6x-9≥0 -6x≥9 x≤ -1.5 x∈(-∞; -1.5]3) x/3 +9≤x x+27≤3x x-3x≤-27 -2x≤-27 x≥13.5 x∈[13.5; +∞) Реклама Реклама Новые вопросы в Алгебра Помогите пожалуйста.Спростите выражение.1)3^4; 2)(-5)^2; 3)0,8^2; 4)5^2; 5)(1/3)^3; 6)(-1/3)^2; 7)(2 1/3)^2; 8)(-1 2/3)^3 пожалуйста помогите решить дам 75 баллов 3а³-15а²разложите на множители(b-5)²-2b(b+4) Задание по алгебре на 3 октября 1 (2 10) (11 Упражнение 1 из 14 Благодаря каким двум свойствам можно понять, что выражения тождественно равны: 3(7а - … 14b) и 7 (6b - За) Переместительное свойство Распределительное свойство Сочетательное свойство Осталось 2 попытки ? Піднесіть одночлен до куба 7m в кубе ПОМОГИТЕ ПОЖАЛУЙСТА УМОЛЯЮ решите неравенства 1) x+3>-42) 2(x+1)<4 помогите пожалуйста! яке рівняння відповідає умові задачі : сума двох натуральних чисел дорівнює 53 .Одне число більше від другого на 13. Знайти менше число 10. Известно, что 45 % числа а на 7 больше, чем этого числа. Най- 3 дите число а. А) 36 Б) 45 В) 60 Г) 90 Помогите пожалуйста помогите пожалуйста даю 15 балов Предыдущий Следующий Реклама - это не так уж плохо Реклама - это не так уж плохо Понимаем - вы пришли сюда не за рекламой. Но она помогает нам предоставлять бесплатный доступ к Знаниям. Пожалуйста, внесите наш сайт в список разрешенных. ОК, разблокирую рекламу на Знаниях! Вместе мы знаем больше Этот сайт использует cookies Политика Cookies . Вы можете указать условия хранения и доступ к cookies в своем браузере. 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Помогите решить пожалуйста уровень 1 решить №2 и уровень 2 №1 все примеры...

diman122001 @diman122001

October 2021 1 49 Report

Помогите решить пожалуйста уровень 1 решить №2 и уровень 2 №1 все примеры.

Answers & Comments

m11m

Verified answer

Уровень 1.
№2
3-x≤5
-x≤5-3
-x≤2
x≥ -2

4x-2<8
4x<8+2
4x<10
x<2.5

{x≥-2
{x<2.5
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
--------- -2 -------------- 2.5 ---------
//////////////////////////////////
x∈[-2; 2.5)

Уровень 2.
№1.
1) x-9<8x+5
x-8x<5+9
-7x<14
x> -2
x∈(-2; +∞)

2) 4(x-11)-5(2x-7)≥0
4x-44-10x+35≥0
-6x-9≥0
-6x≥9
x≤ -1.5
x∈(-∞; -1.5]

3) x/3 +9≤x
x+27≤3x
x-3x≤-27
-2x≤-27
x≥13.5
x∈[13.5; +∞)