Помогите срочно плиииииз. Created by AlimVolk. algebra-ru

1) 21a<21b; -3,2a>-3,2b; 1,5b>1,5a2) a) 4x<16 ⇒ x<4; б) 2x≤-2 ⇒ x≤-1 в) 4x+4-5x≤3 ⇒ x≥13) а) {7x>-4 ⇒ {x>-4/7 {2x>3 {x>1,5Общее решение системы x>1,5 б) {2x<3 ⇒ {x<2/3 {x>0,1 { x>0,1Общее решение системы x∈(0,1; 2/3) Новые вопросы в АлгебраСРОЧНО!!!!!! Чи буде графіком рівнянь 3x-4y=5; -15x+20y=-25 і 1/3x-4/9y=5/9 та сама прямаДаю 30 баллов. Задача на фото:алегребра дуже строчнодопоможіть пожалуста алгребра-2x=4помогите пожалуйста х - 4/5 = 6/5Помогите пожалуйстапж помогите,задача на логикуПомогите пожалуйста с тригонометриейa принадлежит (п/2 ; п) Вкладник поклав у банк 1200 грн на два різних рахунки. Запершим із них банк виплачує 5 % річних, а за другим 7%річних. Через рік вкладник отримав за…5 %-м вкладом на 24 грнвідсоткових грошей більше, ніж за другим. Скільки гривень віппоклав на кожний рахунок?Нужна ПОМОЩЬ!! (СРОЧНО)РЕШИТЬ ТРИ ЗАДАНИЯ№812,813,814Последнее за дискриминантомПредыдущийСледующийВместе мы знаем большеЭтот сайт использует cookies Политика Cookies . 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Помогите срочно плиииииз...

AlimVolk @AlimVolk

July 2022 1 6 Report

Помогите срочно плиииииз

Answers & Comments

fadarm

Verified answer

1) 21a<21b; -3,2a>-3,2b; 1,5b>1,5a

2) a) 4x<16 ⇒ x<4;
б) 2x≤-2 ⇒ x≤-1
в) 4x+4-5x≤3 ⇒ x≥1

3) а) {7x>-4 ⇒ {x>-4/7
{2x>3 {x>1,5
Общее решение системы x>1,5

б) {2x<3 ⇒ {x<2/3
{x>0,1 { x>0,1
Общее решение системы x∈(0,1; 2/3)