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Реши систему: {x=729x−y=11 Смотреть ответ wieslawlozickip5w1nd wieslawlozickip5w1nd Ответ: Объяснение: {x=729 {x-y=11 ======. 729-y=11 y=279-11 y=718     OTBET:решение системы уравнений представляет собой пару чисел: (729;718) Новые вопросы в Алгебра Дано координати 4 точок: A(1,2,3), B(4,-5,6),C(-1,3,-4), D(-5,3,2). Визначити довжину вектора AB, площу трикутника ABC, об’єм піраміди ABCD, координат … у точки H (проекція точки С на пряму AB). Написати рівняння площини ABC у канонічному вигляді, та «у відрізках». Написати рівняння лінії AB у параметричному вигляді. Знайти координати точки E, яка є вершиною паралелограма ABEC. Розв'яжіть систему рівнянь способом додавання {x-2/4+y-2/4=2, x-2/3-y-2/9=4/3 На скільки значення виразу 27a3 + 4 – (9a2 – 3a + 1) (3a + 1) менше від числа 10? два муравья без остановочно ползают туда-сюда по линейке длиной 15 см скорость первого муравья 3 см в минуту А второго 5 см в минуту стартуют они с с … противоположных концов линейки Сколько раз встретятся муравьи за один час? вычислите интеграл. сверху 9 снизу 1 x-1 / корень из x( в числителе x-1, в знаменателе корень из 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

Для решения системы уравнений:

1. x = 729
2. x - y = 11

Вы можете использовать метод подстановки. Подставьте значение x из первого уравнения во второе:

729 - y = 11

Теперь выразите y:

y = 729 - 11 y = 718

Итак, решение системы уравнений: x = 729 и y = 718.

Ответ: Решение системы уравнений представляет собой пару чисел: (729, 718).

Далее, по вашим дополнительным вопросам:

1. Для нахождения длины вектора AB, используйте формулу расстояния между двумя точками в трехмерном пространстве:

   Длина AB = √((x_B - x_A)² + (y_B - y_A)² + (z_B - z_A)²)

   Где A(1,2,3) и B(4,-5,6).

2. Для нахождения площади треугольника ABC вам понадобятся координаты вершин и формула площади треугольника в трехмерном пространстве.

3. Для нахождения объема пирамиды ABCD используйте формулу объема пирамиды, зная координаты вершин.

4. Для нахождения проекции точки C на прямую AB, вам понадобятся знания о векторах и их скалярном произведении.

5. Для записи уравнения плоскости ABC в каноническом виде, вы можете использовать формулу общего уравнения плоскости и подставить в нее координаты точек A, B и C.

6. Для записи уравнения линии AB в параметрическом виде, используйте координаты точек A и B.

7. Для нахождения координат точки E, вершины параллелограмма ABEC, используйте свойства параллелограмма и векторов.

Если у вас есть конкретные вопросы по какому-либо из этих пунктов, пожалуйста, уточните, и я буду рад помочь.