Будь ласка 1 варіант.Допоможіть.Алгебра. Created by avakinkristina0105. algebra-ru

Ответ: собственная скорость лодки 12 км/ч.Объяснение:Пусть собственная скорость лодки - х, а скорость течения реки - у. ⇒{2*(x+y)+3*(x-y)=58 {2x+2y+3x-3y=58 {5x-y=58{3*(x+y)+2*(x-y)=62 {3x+3y+2x-2y=62 {5x+y=62Суммируем эти уравнения:10x=120 |÷10x=12.Це у вигляді системи?Дякую!Да.Новые вопросы в АлгебраПри каких значениях Х верно равенство:номер 4.2 помогите пожалуйста доведіть що при всіх цілих значеннях n виразу (n-2)(n-1)n(n+1) +1 є квадратом цього числаДам 50 баллов решите до 5 того! Дам лучший ответДопоможіть будь ласка з задачеюДопоможіть будь ласка !Помогите пожалуйста с алгеброй1. При якому значенні b графік функції у = 3х + b проходить через точку С(5;-2).2. Човен ішов за течією річки 6 год, а проти течії – 4 год. За течіє…ю річки човен подолав на 40 км більше, ніж проти течії. Знайти швидкість човна у стоячій воді, якщо швидкість течії річки 2 км/год.3. У двох контейнерах було порівну яблук. Коли з першого контейнера взяли 13 кг яблук, а з другого – 31 кг, то в другому контейнері залишилось у 3 рази менше яблук, ніж у першому. Скільки яблук було у кожному контейнері спочатку? Скільки яблук залишилось у другому контейнері?Помогите решить примерНа 16 учнів є 110 підручників, яке забезпечення учнів підручникамиПредыдущийСледующийВместе мы знаем большеЭтот сайт использует cookies Политика Cookies . 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