Ответ по предмету Математика: решите уравнение рациональным способом(x-9)÷2=25

Предмет: Математика, автор: tykrotatop

7 лет назад

Предмет: Английский язык, автор: yegokis209

Срочно.
1. The documents _____ by yesterday.
A have been signed C had been signed
B will sign D signed
2.What happened to the old mail carrier? He _____ to a new neighborhood to
work last week.
A has sent C was sent
B has been sent D sent
3. I don't want _____ out tonight. I'm too tired.
A going C to have gone
B to go D gone
4. The lesson _____ when I arrived.
A has already started C had already started
B started D had already been started
5. Many valuable paintings _____ by the fire last evening.
A are destroyed C were destroyed
B had been destroyed D have been destroyed
6. The new theatre _____ in my street now.
A is building C had been built
B has been built D is being built
7. Gold _____ in California in the 19 th century.
A was discovered C had discovered
B has been discovered D discovered
8. They _____ in a sport competition this week.
A had taken part C have been taking part
B have taken part D took part
9. How long _____ English so far?
A have you learnt C are you learning
B have you been learning D has it been learnt
10. He used to talk to us for hours about all the interesting things he _____ in his
life.
A had been doing C was done
B was done D had been done
11. 'Who does the washing-up in your house? The dishes _____ by my brother
and then they _____ by my sister.
A are washed, are dried C washed, dried
B were washed, were dried D wash, dry
12. Why can't I use your car? Because it _____ at the moment.
A is serviced C is servicing
B was serviced D is being serviced
13. The meeting _____ at 5 o'clock yesterday.
A began C had begun
B has begun D was beginning

14. So, when did they tell you about the robbery? I _____ by the police as soon as they found it out.
A informed C am informed
B have been informed D was informed
15. Why can't we go over the bridge? Because it _____ at the moment.
A is being repaired C is repairing
B was repaired D has been repaired
16. Who looks after your baby when youre at work? He _____ after by my mother.
A is looked C is being looked
B was looked D looks
17. What will happen to the criminals? They _____ for their crimes.
A will punish C were punished
B will be punished D will have punished
18. Have you ever appeared on TV? Actually, I _____ to take part in a show last
month.
A will be asked C was asked
B asked D have been asked
19. When will I have my car serviced? It _____ to your house the day after tomorrow.
A will deliver C will have been delivered
B will be delivered D will have delivered
20. Did you post the letters? No, they _____ by the time I came in.
A had been posted C have been posted
B were posted D had posted
21. The house _____ magnificent. It _____ by the owners.
A is looking, is renovated C is looking, was renovated
B looks, had been renovated D looks, has been renovated
22. A key invention _____ the steam engine. It _____ in the 18 th century.
A was, was developed C has been, has developed
B is, is developed D was, developed
23. This problem ___ at 3 o’clock yesterday.
A. was discussed C. was being discussed
B. discussed D. was discussing
24. This problem ___ in detail now.
A. is considered C. is being considered
B. has been considered D. is considering
25. _____ given delicious food at the party yesterday?
A. Were you C. Have you
B. Will you be D. Have you been

7 лет назад

Предмет: Математика, автор: kovalyura1704

Винесіть спільний множник за дужки: 7ab+14ac-28a

7 лет назад

Предмет: Математика, автор: nikitast29

помогите найти площадь треугольника со сторонами 6см,4см,8см.

10 лет назад

Предмет: Математика, автор: sergialexx2014

Помогите решить уровнение:
3x+5x+96=1568

10 лет назад

решите уравнение рациональным способом(x-9)÷2=25

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