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Решите систему неравенств: {3(y-3)≥4y+1 {5(y+1)≤4y+3 Пожалуйста надо расписано чтобы было пожалуста помогите! Посмотреть ответы Участник Знаний Участник Знаний Ответ: Пошаговое объяснение: {3у-9≥4у+1 {5у+5≤4у+3 {у≤-10 {у≤-2 у∈(-∞; -10] Понятно, спасибо! могу объяснить. а разве не понятно? Это расписано мне в прошлый раз присылали там больше расписано slavamerloy slavamerloy Ответ: ответ на фото надеюсь что помог) не тот пример Новые вопросы в Математика НУЖНА СРОЧНАЯ ПОМОЩЬ. пожалуйста!! помогите пожалуйста. буду благодарен очень!!!! Одно мороженое стоит 45 тг.Сколько мороженого можно купить на 175 180 185 190? Одно мороженое стоит 45 тг.Сколько мороженого можно купить на 175 180 185 190? Срочно ПОМОГИТЕ ПОЖАЛУЙСТА СРОЧНО ДАЮ 10 БАЛЛОВ2. Значенням виразу 2,5 + 10 : 5 є число ... A. 7,5. B. 2,7. B. 4,5. T. 5,5.​ Предыдущий Следующий 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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Answer 1

Давайте решим данную систему неравенств пошагово:

1. Первое неравенство:

   3(y - 3) ≥ 4y + 1

   Раскроем скобки:

   3y - 9 ≥ 4y + 1

2. Переносим все термины с переменной y на одну сторону, а числовые значения на другую сторону:

   3y - 4y ≥ 1 + 9

   -y ≥ 10

3. Теперь умножим обе стороны на -1, но при этом помним, что при умножении неравенства на отрицательное число, например, -1, неравенство меняет свой знак на противоположный:

   y ≤ -10

Теперь рассмотрим второе неравенство:

4. Второе неравенство:

   5(y + 1) ≤ 4y + 3

   Раскроем скобки:

   5y + 5 ≤ 4y + 3

5. Переносим все термины с переменной y на одну сторону, а числовые значения на другую сторону:

   5y - 4y ≤ 3 - 5

   y ≤ -2

Итак, мы получили два неравенства:

1. y ≤ -10
2. y ≤ -2

Теперь найдем пересечение решений этих двух неравенств, так как итоговое решение системы будет наименьшим общим множеством решений:

Пересечение двух неравенств: y ≤ -10 и y ≤ -2

Наименьшее значение y, которое удовлетворяет обоим неравенствам, это -10. Таким образом, решение данной системы неравенств:

y ∈ (-∞, -10]

Итак, множество решений системы неравенств - это все действительные числа, меньшие или равные -10.