Предмет: Алгебра, автор: aahsuqq

пжжжпжпжпжпжпрараввоуоу

Приложения:

Ответы

Автор ответа: OliverTvistor

0

Ответ:

1) 12^4/6^4 = 2^4 = 16

2)1/9х^2-9=0

1/9х^2=9

х^2=9 : 1/9

х^2= 81

х=±9

Ответ: ±9

3) 2х^2-10х+8=0

D=10^2-4*2*8=100-64=36=6^2

Х1 = 10+6/2*2=4

Х2=10-6/2*2=1

Ответ: 1 и 4

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Окружающий мир, автор: Вероника15467

плиз помоги срочно!!!!!

1 год назад

Предмет: Английский язык, автор: YulchikKuz2008

Добрый День,
Помогите пожалуйста сделать
6. Choose the correct words а-d below to complete the text. Дополните текст. Виберите верное
слово.
People work in many different types of office. Many workers 1) __________ аn office with one or more
people. In а survey, 25 percent of workers say that it is а problem when colleagues in their office
2) __________ their оffiсе equipment and stationery. In some offices, employees share а desk. Claire
Woods says, “I share а desk and it isn't а problem. My colleague and I agree to keep the desk clean and
3) __________”. 20 percent of workers say that they prefer to work in an 4) __________ plan office
because it is useful to talk to other еmplоуееs about work. The survey shows that 35 percent of managers
prefer not to share an office. Their employees agree: 65 percent of staff don't want to have а desk
5) __________ their boss.
1) a) work b) give c) share d) keep
2) a) buy b) use c) have d) find
3) a) small b) big c) untidy d) tidy
4) a) in b) off c) open d) close
5) a) near b) on c) between d) under

1 год назад

Предмет: Английский язык, автор: Julia201501

Помогите пожалуйста, я в английском ни-ни))
Complete the sentences. Use the verbs in brackets in the right tense.
1. (not to eat)_______________________today.
2. He aiways (to get up)_______________________at 7 o`clock.
3. My brother (to train)___________________at the stadium from 6 till 9 yesterday
4. The (to speak)____________________________to the teacher yesterday.
5. He (to learn)_____________________________English for three month already.
6. Listen! Somebody (to sing)__________________.
Use the Passive voise
7. The scenery (to finish)______________________last week.
8. He (not to send)___________________________for next week.
9. The ring (to make)_________________________of gold.
10. These endangered animals (not to protect)______________nowadays.
11. Your invitation (to lose)______________________somewhere.
12. In two week your play (to finish)______________________.

1 год назад

Предмет: Алгебра, автор: sfsdffs3z

решите уравнение
1)3x+2=0
2)3-5x=0
3)0,6x+1,8=0
4)7-0,7x=0

7 лет назад

Предмет: Английский язык, автор: fha231

3 упражнение помогите пожалуйста

7 лет назад