Ответы 2
-
40x+3y=-1020x-7y=-5 второе умножаем на 2 40х+3у= -1040х-14у=-10 вычитаем 17у=0у=0 тогда 20х-7*0=-5 20х=-5 х=-1/4
-
Автор:
lindsey3 - 6 лет назад
-
0
-
-
40x+3y=1020x-7y=5 |(-2)40x+3y=10-40x+14y=-1017y=0y=040x+3*0=1040x=10x=1/4 =>0.25
-
Автор:
montanakline - 6 лет назад
-
0
-
-
Добавить свой ответ
Еще вопросы
-
Task 2 Перевести предложения из прямой речи в косвенную.
1) Alex and Jane «We are going to watch Star Academy at Phil’s place today.»
2) Grandma « I will be in London the next week.»
3) Why do you want to study at our school? They wanted to know___________________________________ 4) Do not give advice that your teenager does not need. They warn parents_____________________________
5) Provide your teenager with respect and support while giving up some of your control. They recommend ______________________________
____ Task 3 Выберите подходящие по смыслу союзы either ... or; . both ... and; neither ... nor;
1. I would like to be________a scientist_________ a vet. I would like to be a scientist because I want to discover new things and do experiments. I would like to be a vet because I love animals and I would love to save them!" (Eden)
2. I d like to be _______an air hostess, because they are really kind and have really nice uniforms,_______a dancer because I love music.
3. The job I want when I am older is to be a photographer to be able____to earn money______become famous
-
Предмет:
Английский язык -
Автор:
tyke - 6 лет назад
-
Ответов:
1 -
Смотреть
-
- Какова роль принятия христианства в развитии русской культуры на рубеже X-XII веков?
-
решите систему уравнений методом подстановки
х-4у=0
х+5=99 - Решите графически систему уравнений x+y=-2 2x-y=-4
Топ пользователей
-
Fedoseewa27
35934 -
Askold
2792 -
Pikachu
2228 -
hobbesbowers
2116 -
kaylynnbarron676
1818 -
女fei
1240 -
yulia-kaplina
1158 -
Poinntt
946 -
Bars
930 -
Queenmagic18
770
How much to ban the user?
1 hour
1 day
100 years