Ответ по предмету Алгебра: Розв'яжіть систему рівнянь графічно {5x+4y=8 {-2x+3y=7

Предмет: Математика, автор: yusifhmdzad35

Автобус проехал 204 км за 2,4 ч. Сколько часов понадобится этому автобусу, чтобы проехать 340 км с такой скоростью?

2 года назад

Предмет: География, автор: UANefrox

5. Наведіть приклади ТНК, що працюють в Україні. Як вони впливають на її економіку?

2 года назад

Предмет: Физика, автор: anzelasauliak

На металевих рейках перпендикулярно-силовим лініям магнітного полю лежить провідник довжиною 20 см, по провіднику проходить струм в 2А і провідник починає рухатись. Визначить масу провідника ,якщо коефіцієнт тертя між провідником і рейками дорівнює 0,2 а модуль вектора магнітної індукції 10 мТл.

2 года назад

Предмет: Математика, автор: Аноним

28x+2=14
РЕШИТЕ ПРОШУ ВАС!!!

7 лет назад

Предмет: Английский язык, автор: vera23055

Тест по англ.языку

1. The_________ shoes were covered in mud, so I asked them to take them off before they got into ___________ car.

A. girl’s…….Tom’s B. girls’……..Toms’ C. girls’………Tom’s D. girl’s …….. Toms’

2. The government has introduced _________________________________ .

A. a children’s clothes tax B. a tax on children clothes C. a children clothes tax D. a tax on children’s clothes

3. The_________________faulty.

A. equipments are B. equipment was C. equipments were D. equipment were

4. A new ¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬_____________is being built outside the town.

A. golf course B. golfcourse C. golf’s course D. golf-course

5. Last night police said that they ______________the missing girl.

A. had found B. have found C. find D. were finding

6. The council ______________postponed a decision on the new road, and many leading members of the opposition party __________ criticized the delay.

A. has ….. have B. has ….. has C. have ….. has D. have ….. have

7. Stevens _________ the wallet.

A. admitted to steal B. admitted steal

C. admitted stealing D. admitted him stealing

8. I’ll be with you in _____________________ .

A. one quarter of an hour B. a quarter of an hour

C. a quarter of one hour D. one quarter of hour

9. I’m really disappointed. I ____________ for the team again.

A. wasn’t picked B. didn’t pick C. didn’t get picked D. wasn’t got picked

10. Despite yesterday’s snowfalls, we _______________ home in less than an hour.

A. could drive B. can drive C. were able to drive D. are able to drive

11. They directed that the building __________________ .

A. be pulled down B. to be pulled down

C. should be pulled down D. should pull down

12. Walking under a ladder ___________ be unlucky.

A. is suppose to B. should C. ought to D. is supposed to

13. She asked my advice ___________________ subject she should study at university.

A. on to what B. as to what C. on what D. to what

14. The traffic lights __________ green and I pulled away.

A. got B. became C. turned D. went

15. You don’t object _________ late tonight, do you?

A. to working B. to work C. work D. working

16. She swam strongly and __________cross the river easily, even though it was swollen by the heavy rain.

A. can B. was able to C. could D. is able to

17. The new computer system ______________ next month.

A. is being installed by people B. is be installed

C. is being installed D. is been installed

18. When I went into the bathroom, I found that the bath ________________ .

A. overflows B. overflowed C. had overflowed D. is overflowing

19. I can’t start the computer. You _____________ a password.

A. must have got to know B. must’ve to know C. must have to know D. must know

20. When the builders were her I _____________ them cups of tea all the time.

A. was making B. am making C. made D. make

21. When the race starts later this afternoon the drivers ____________ for drier weather than last year.

A. were hoping B. are hoping C. hope D. will be hoping

22. Steve asked where he ___________ put the bag.

A. shall B. ought to C. will D. should

23. When I asked what was wrong, __________________________ .

A. I was explained the problem B. he explained the problem to me

C. the problem was explained to me D. he explained me the problem

24. Nowadays it ___________ cost a fortune to own a powerful computer.

A. hasn’t to B. needn’t C. doesn’t have to D. mustn’t

25. Police _________ that Sam is in Sydney, although his exact whereabouts ___________ unknown.

A. believes ….. are n B. believe ….. are C. believes ….. is D. believe ….. is

26. _______________ of the present perfect tense on page 154.

A. There are example B. There are examples

C. There are the examples D. There is example

27. She described __________________ .

A. the situation B. the situation to me C. me the situation D. the situation me

28. “I’m seeing Dr Harris next week.” “That ___________________ be right. He’s on holiday then.”

A. mustn’t B. can’t C. hasn’t to D. hasn’t got to

29. The next train to Yorkshire _________________ at 5.30. (station announcement)

A. will leave B. is leaving C. is going to leave D. leaves

30. __________ hard all year, so I felt that I deserved a holiday.

A. I work B. I’d been working C. I’d worked D. I’m working

7 лет назад

Розв'яжіть систему рівнянь графічно {5x+4y=8 {-2x+3y=7

Ответы

Розв'яжіть систему рівнянь графічно
{5x+4y=8
{-2x+3y=7