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Кто знает как это решить? {8+3x>2 {1-2x>0 Смотреть ответ milena278 milena278 {3x>2-8 {-2x>1 {3x>-6 {-2x>1 {x>-2 {x<-1 Не за что Спасибо большое)) В конце знак поменялся потому что на отрицательное делим Новые вопросы в Математика 120÷(30-18)+4×8-18÷(5-2)​ Найдите остаток от деления 32467^7777 на 7. Помогите пожалуйста. пожалуйста мне срочно нужно решить!!!! даю 30 баллов!!!!!​ Раскройте скобки и найдите значение выражения Раскройте скобки и найдите значение выражения 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

Для решения данной системы неравенств:

1. {8 + 3x > 2
2. {1 - 2x > 0

Давайте решим каждое неравенство отдельно.

1. {8 + 3x > 2

Сначала избавимся от константы 8, вычтя её из обеих сторон:

3x > 2 - 8

Теперь упростим правую сторону:

3x > -6

Чтобы избавиться от коэффициента 3, разделим обе стороны на 3. При делении на отрицательное число неравенство меняет своё направление:

x > -6 / 3

x > -2

2. {1 - 2x > 0

Выразим x:

1 > 2x

Теперь разделим обе стороны на 2, но при делении на положительное число неравенство не меняет своего направления:

1/2 > x

x < 1/2

Итак, решение системы неравенств:

x > -2 x < 1/2

Таким образом, значение x должно быть больше -2 и меньше 1/2, чтобы удовлетворить обеим неравенствам одновременно.

Теперь перейдем к вашим дополнительным вопросам:

1. Вычисление выражения: 120 ÷ (30 - 18) + 4 × 8 - 18 ÷ (5 - 2)

Для начала выполним операции в скобках:

30 - 18 = 12 5 - 2 = 3

Теперь продолжим вычисления:

120 ÷ 12 + 4 × 8 - 18 ÷ 3

120 ÷ 12 = 10 4 × 8 = 32 18 ÷ 3 = 6

Подставим полученные значения:

10 + 32 - 6

Теперь просто сложим:

10 + 32 = 42 42 - 6 = 36

Ответ: 36

2. Найдите остаток от деления 32467^7777 на 7.

Для нахождения остатка от деления большого числа на другое число, можно воспользоваться теоремой остатков или свойствами остатков.

Общее свойство: (a^b) % n = ((a % n)^b) % n

Таким образом, нам нужно найти остаток от деления 32467 на 7 и затем возвести его в степень 7777, после чего снова найти остаток от деления результата на 7.

1. Найдем остаток от деления 32467 на 7:

32467 % 7 = 2

2. Возводим 2 в степень 7777:

2^7777 ≈ огромное число

3. Найдем остаток от деления этого огромного числа на 7:

(огромное число) % 7 = некоторое число

К сожалению, нам не доступно точное значение огромного числа, так как оно слишком велико для вычислений на данной платформе.

Если вам необходимо найти остаток от деления очень большого числа на другое, вам потребуется использовать специализированные программы или алгоритмы, которые могут обрабатывать такие вычисления.