определить угол между прямыми АВ и АС, если А(7;-6), В(-2;-2) и С(1;2) - №6830856

определить угол между прямыми АВ и АС, если А(7;-6), В(-2;-2) и С(1;2)
- Предмет:
  Математика
- Автор:
  pedroklein
- 6 лет назад

Ответы 1

спасибо)
- Автор:
  salmawc9g
- 6 лет назад
- 0
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Помогите,нужна помощь.
Измучился весь,не знаю как решать.
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ПОЖАЛУЙСТА ПОМОГИТЕ!!!!!!!!!!!!!!!
1)
1)()Заполните пропуски в предложении.If you … hard at your English, you …

.Выберите один ответ:

worked, would succeed

would work, succeed

will work, succeed

would work, would succeed

2)Заполните пропуски в предложении.If we
…now, we … there in time.

Выберите один ответ:

started off, shall come

had started off, should come

shall start off, come

start off, shall come

3)Заполните пропуски в предложении.If you
… English before, you … a good job last year

.Выберите один ответ:

learned, could have found

had learned, could find

had learned, could have found

would learn, could have found

4)Заполните пропуски в предложении.Ask
Tom to wait if he … .

Выберите один ответ:

had come

will come

came

comes

5)Заполните пропуски в предложении.If I …
rich, … all over the world.

Выберите один ответ:became, I’ll travel‘

ll become, travel

Became, I’d travel

became, I’d have traveled

6)Заполните пропуски в предложении.She …
happy if you … and see her.

Выберите один ответ:will be, go

would be, will have gone

would have been, will go

would be, will go

7)Заполните пропуски в предложении.If we
… the train, we … at home now.

Выберите один ответ:didn’t miss, would be

hadn’t missed, would be

shouldn’t missed, were

wouldn’t missed, would be

8)Заполните пропуски в предложении.If I …
a lot of money, I … a car last year.

Выберите один ответ:had got, would have bought

would have, would buy

get, buy

had got, will have bought

9)Заполните пропуски в предложении.If he
… today, what … ?

Выберите один ответ:will come, shall we do

comes, shall we do

came, shall we do

comes, should we do

10)Заполните пропуски в предложении.If I …
you, I … there

.Выберите один ответ:

had been, would go

was, would go

were, would go

‘d be, would go

11)Заполните пропуски в предложении.If I …
in your place, I … him.

Выберите один ответ:were, would help

‘d be, helped

had been, would help

was, would help

12)Заполните пропуски в предложении.If I …
free yesterday, I … to see you.

Выберите один ответ:

were, would have come

had been, had come

had been, would have come

are, would have come

13)заполните пропуски в предложении.If it
… possible, he … it.

Выберите один ответ:

were, would do

would be, did

‘d have been, would do

had been, would do

14)Заполните пропуски в предложении.He …
there if he … invited.

Выберите один ответ:won't go, will not be

wouldn't go, is not

won't go, is not

won't go, was not

15)Заполните пропуски в предложении.If my
brother… time, he … with us

.Выберите один ответ:

would have, goes

will have, had gone

has, will go

will have, goes

16)Заполните пропуски в предложении.If he
… smarter, he … so.

Выберите один ответ:

is, wouldn’t have said

were, wouldn’t have said

will be, didn’t said

had been, wouldn’t say

17)Заполните пропуски в предложении.If I …
a lot of money, I … a car.

Выберите один ответ

:had, will buy

had, would buy

have, would buy

will have, buy

18)Заполните пропуски в предложении.If you
… the work, we … it now.

Выберите один ответ:

would do, could discuss

had done, could discuss

would have done, could discuss

had done, could have discussed

19)Заполните пропуски в предложении.

What …
if she … you say that?

Выберите один ответ

:did your sister think, heard

would your sister think, heard

would your sister have thought, heard

Will your sister think, heard
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  Английский язык
- Автор:
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- 6 лет назад
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- 6 лет назад
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