помогите пожалуйста до завтра только ПРАВИЛЬНЫЕ ОТВЕТЫ ОТЛИЧНИКИ ИЛИ ХОРОШИСТЫ ❗❗❗. Created by danahasanova957. matematika-ru

1) (0,89+1,23+1,64+1,79+2):5=7,55:5=1,51Ответ: Д — 1,512) 2-0,89=1.11Ответ : А — 1,113) у=-4•(-3)+1= 12+1=13Ответ: С — 134) 1,5=-0,5х+40,5х=4-1,50,5х=2,5х=5Ответ: С — 55)А6){2х+3у=10 сложим{-2х+5у=68у=16у=22х+3•2=102х=4х=2Ответ: В —(2;2)7) {2х+у=6|•2{-4х+3у=8{4х+2у=12 сложим{-4х+3у=85у=20у=4-4х+3•4=8-4х=-4х=1Ответ: С— (1;4) Реклама Реклама Новые вопросы в Математика нужно решение задания, срочно В числе 115* замените звёздочку цифрой так, чтобы полученное число делилось на 3, но не делилось на 9. В ответ запишите только число. За 3,5 м ткани заплатили 539р определи стоимость 18,25 м этой ткани Помагитеее плисссссссс нужно решение двух заданий Помагите плисссссссс помогите с решением, фото прикрепила, срочно Помогите пожалуйста. Даю 100 баллов!! В и Д нажо решить Сколько существует различных деревьев из 6 вершин? Напомним, что если графы по-разному, но полностью совпадают по степеням вершин, такие графы считают … ся одинаковыми 50 баллов.Однородный шар весом 1200н удерживается в равновесии двумятросамм AO и OD, расположенный в одной вертикальной плоскости и составляющими межд … у собой угол 75 градусов. Трос OD наклонён к горизонту под углом бета. Определить напряжение тросов. Предыдущий Следующий Реклама - это не так уж плохо Реклама - это не так уж плохо Понимаем - вы пришли сюда не за рекламой. Но она помогает нам предоставлять бесплатный доступ к Знаниям. Пожалуйста, внесите наш сайт в список разрешенных. ОК, разблокирую рекламу на Знаниях! 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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помогите пожалуйста до завтра только ПРАВИЛЬНЫЕ ОТВЕТЫ ОТЛИЧНИКИ ИЛИ ХОРОШИСТЫ ❗...

danahasanova957 @danahasanova957

September 2021 1 10 Report

помогите пожалуйста до завтра только ПРАВИЛЬНЫЕ ОТВЕТЫ ОТЛИЧНИКИ ИЛИ ХОРОШИСТЫ ❗❗❗

Answers & Comments

alinaaa51 1) (0,89+1,23+1,64+1,79+2):5=7,55:5=1,51
Ответ: Д — 1,51
2) 2-0,89=1.11
Ответ : А — 1,11
3) у=-4•(-3)+1= 12+1=13
Ответ: С — 13
4) 1,5=-0,5х+4
0,5х=4-1,5
0,5х=2,5
х=5
Ответ: С — 5
5)А
6){2х+3у=10 сложим
{-2х+5у=6
8у=16
у=2
2х+3•2=10
2х=4
х=2
Ответ: В —(2;2)
7) {2х+у=6|•2
{-4х+3у=8
{4х+2у=12 сложим
{-4х+3у=8
5у=20
у=4
-4х+3•4=8
-4х=-4
х=1
Ответ: С— (1;4)