Предмет: Математика, автор: ceregabulavin

7х2-14х=0 помогите решить знаю что ответ 0;2 а вот решение незнаю

Ответы

Автор ответа: miron2077

0

исходное не пишу
7х(х-2)=0
х₁=0
х₂-2=0 х₂=2

Предыдущий вопрос

Следующий вопрос

Интересные вопросы

Предмет: Английский язык, автор: Iriwka2000

1.Today we ... for Moscow.
a.have been leaving
b.leave
c.are leaving
d.will leave

2.We ... 20 new houses this year.
a.have built
b.had built
c.were building
d.built

3.The top manager ... the documents for half an hour already.
a.studied
b.has been studying
c.will study
d. have studied

4.The room looked very clean when I came yesterday. ... you ... it?
a.Are, cleaning
b. Are, cleaning
c.Did, clean
d.Had, cleaned

5.- How long ... you ...?
- Since I was 18.
a.have, been driving
b.did, drive
c.do, drive
d.has driven

6.We ... their family for long.
a.have been knowing
b.knew
c.are knowing
d.have known

6 лет назад

Предмет: Алгебра, автор: ademamarabayeva1

Алгебра, буду признательна тому кто ответит ~

6 лет назад

Предмет: Английский язык, автор: elenakuzmichenko008

1 Fill in the past continuous, as in the example.

1.My brother was studying (study) in his
room all day yesterday.
2 He .......
(get) ready to go out
when the doorbell rang.
3 We saw a bad accident as we
..... (drive) to the airport.
Sally .....
(dance) when
she fell and hurt her leg
5 Why ......
(you/talk) all
through your Spanish lesson yesterday?
6 Tom ..
(walk) through the
woods when he heard a dog barking.
7 Karen ....
(cook)
dinner when her husband came home.
8
(you/watch) TV
at 7:00 yesterday evening?
9
Helen ..
(surf) the Net
while Tom ....
(watch) TV
10 He ...
(paint) the garage door
when it started shaking.

6 лет назад

Предмет: Математика, автор: KiLmAn98

246:28=?,216:54=?,448:64=?,387:43=9,292:73=?

10 лет назад

Предмет: Математика, автор: aysinadinara

Решите уравнение:3-у+2(5-у)=4у-8

10 лет назад