Question

Помогите решить систему неравенств {13x>−52 {4,5x−7>4,6x+4 это все одна система неравенств Посмотреть ответы florianbukh2 florianbukh2 Ответ:) Объяснение: 1. {13х > -52;   1. {х  >-;   1. {x > -4 2. {4,5х-4,6х > 7+4;   2. {-0,1х > 11;   2. { 0,1x < -11;   2. {x = -;   2. {x = -110 -4 < x < -110 klochkovajulija klochkovajulija Ответ: Держи!!! Объяснение: Мы -52/3 Чего???? Там все верно!!! Там вместо -4 должно было получится -156, но все равно спасибо. Новые вопросы в Алгебра 1) як записати за допомогою тригонометричних функцій рівність 1/2 + π/3 2) яке зі значень x є коренем рівняння sin x = 0 3) скільки коренів має cos x … = √3 обчисліть 6 * arcsin ( - 1/2) + 4 * arccos 0 В прямом параллелепипеде основание прямоугольник со сторонами 12 см и 16 см боковое ребро равно 10 см. Найдите полную поверхность параллелепипеда найдите первообразную функцию помогите пж прошу вас f(x) = x - 3x³+³√x ​ Знайти похідну функції у=10х² 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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true; }

Answer 1

Кажется, что ответ и объяснение не совсем корректны. Давайте разберемся с системой неравенств по порядку:

Система неравенств:

1. $13x > -52$
2. $4.5x - 7 > 4.6x + 4$

Давайте начнем с первой неравенства: $13x > -52$

Для начала, разделим обе стороны на 13 (учтем при этом, что деление на отрицательное число меняет направление неравенства): $x > -4$

Таким образом, первое неравенство говорит нам, что $x$ должно быть больше -4.

Перейдем ко второму неравенству: $4.5x - 7 > 4.6x + 4$

Вычтем $4.5x$ из обеих сторон: $-7 > 0.1x + 4$

Теперь вычтем 4 из обеих сторон: $-11 > 0.1x$

Деление обеих сторон на 0.1 (помните, что деление на положительное число оставляет направление неравенства неизменным): $-110 > x$

Итак, второе неравенство говорит нам, что $x$ должно быть меньше -110.

Теперь мы имеем два неравенства:

1. $x > -4$
2. $x < -110$

Чтобы найти пересечение интервалов удовлетворяющих обоим неравенствам, нужно найти максимальное значение, которое удовлетворяет обоим неравенствам. В данном случае, это значение -110.

Итак, решение системы неравенств: $-110 < x < -4$.

Пожалуйста, обратите внимание, что ваш ответ и объяснение содержат ошибки, поэтому всегда важно внимательно проверять решение математических задач.