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Реши систему:{x=7+y x−2y+2=4х= у=​ Смотреть ответ Mandarinka808 Mandarinka808 Ответ:(x,y)=(12,5) Объяснение: {x=7+y {x-2y+2=4 7+y-2y+2=4 -y=-5 y=5 x=7+y x=7+5 x=12 (x,y)=(12,5) Новые вопросы в Алгебра Для действительных значений х и у выполняется равенство (x(y+2015))/(x²+ (y+2015)²=-½ . Чему равно значение выражения (х+у)?​ Кривая изображённая на рисунке, описывается уравнением (x² + y² - 2x)² = 2(x²+y²). Какая из прямых, из предложенных в ответах, является осью Оу?​ У Елены дома живут 4 кота А)скольуими способами можно рассадить котов по углам комнаты Б)сколькими способами можно отпустить гулять котов В)скольки … ми способами Елена может взять 2-х котов Задача на фактериал.помогите пжл найдите значение выражения (2^5)^2/2^62^2 Розв'язати ДР звідокремлюванимизміннимиy'=(y+3)sin x 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

Похоже, что вы предложили несколько вопросов и запросили объяснение для системы уравнений и решение некоторых других задач. Я с удовольствием помогу вам:

1. Решение системы уравнений:

   У вас дана система уравнений:

   makefileCopy code
   x = 7 + y
   x - 2y + 2 = 4
   

   Решение:

   Подставим значение x из первого уравнения во второе:

   diffCopy code
   7 + y - 2y + 2 = 4
   7 - y + 2 = 4
   9 - y = 4
   -y = 4 - 9
   -y = -5
   y = 5
   

   Теперь подставим найденное значение y в первое уравнение:

   makefileCopy code
   x = 7 + 5
   x = 12
   

   Таким образом, решение системы: (x, y) = (12, 5).

2. Для следующего вопроса с уравнением и выражением, связанным с x и y, кажется, что некоторая часть вопроса отсутствует. Пожалуйста, предоставьте полное уравнение или вопрос для дальнейшего решения.

3. Кривая, описываемая уравнением (x² + y² - 2x)² = 2(x² + y²), не имеет явно выраженной оси Oy, так как это уравнение описывает плоскую кривую. Она является уравнением окружности с центром в точке (1, 0) и радиусом 1.

4. Для вопроса о рассадке котов, отпускании их гулять, выборе котов и факториалах, кажется, что вы также не предоставили полных условий задачи. Пожалуйста, предоставьте полные условия для того, чтобы я мог помочь с решением.

5. Для задачи о выражении (2^5)^2 / 2^6 * 2^2, это можно упростить следующим образом:

   scssCopy code
   (2^5)^2 / 2^6 * 2^2 = 2^(5*2) / 2^6 * 2^2 = 2^10 / 2^6 * 2^2 = 2^(10 - 6 + 2) = 2^6 = 64
   

6. Для дифференциального уравнения y' = (y + 3) * sin(x), это дифференциальное уравнение с разделяющимися переменными. Разделяя переменные и интегрируя, можно получить решение для y(x). Если вам нужно подробное решение, дайте мне знать.

Если у вас есть дополнительные вопросы или уточнения, пожалуйста, дайте мне знать!