Ответ по предмету Химия: Назовите соединение по систематической номенклатуры C2H4-CH3COH-C2H5OH-CO2

Предмет: Математика, автор: berkutovapolina2005

Какое число нужно поставить вместо a, чтобы корнем уравнения (a-x)-14=56 было число 5? СРОЧНО НУЖНО!

7 лет назад

Предмет: Математика, автор: nikita8195

(2⁵×10+6²×10)+5x+1120=10²×11+100×3³ пожалуйста решите полностью

7 лет назад

Предмет: Английский язык, автор: squewencespongebob

ПРОШУ ПОЖАЛУЙСТА ПОМОГИТЕ!
Test

1. Have you ever visited other countries? - Yes, I... to Italy and France.

a) was c) had been

b) have been d) would be

2. When you ... older, you'll change your mind about this.

a) will grow c) have grown

b) grow d) grew

3. Why are you busy packing? - My train ... in two hours, so we'll leave the house in an hour.

a) is leaving c) leaves

b) will be leaving d) left

4. What's the matter? You look upset. Last week I lost my scarf and now I just ... my gloves.

a) lost c) had lost

b) have lost d) lose

5. By the time we got to the cinema the film ... .

a) will begin c) had begun

b) would begin d) began

6. Is there anything I ... do to help you?

a) can c) am to

b) may d) as to

7. The last film I saw was ... frightening than this one.

a) little c) least

b) less d) the least

8. Someone is calling you. Will you answer ... phone?

a) a c) -

b) the d) these

9. Whose house is it? - It's ... .

a) mine c) her

b) my d) our

10. Today is ... cold than yesterday. So, I'm wearing my shorts.

a) little c) less

b) least d) the least

11. "Come home ... Christmas Day, we'll be waiting for you", my mother always says to

me.

a)in c) on

b) - d) at

12. Excuse me, do you speak English? I ... for a hotel.

a) look c) was looking

b) am looking d) have been looking

13. Mathematics ... hard. I don't understand it.

a) are c) is

b) was d) were

14. Everybody in our team played ... except the captain.

a) bad c) worst

b) badly d) the worst

15. You know much, but you know ... than your teacher.

a) little c) less

b) least d) much

16. Small shops are not as ... as supermarkets.

a) more convenient c) the most convenient

b) most convenient d) convenient

17. Sarah is a very good pianist. She plays ... piano very well.

a) a c) the-

b)an d)-

18. That's an easy question! ... knows the answer!

a) All c) Each

b) Everybody d) Every

19. The comic told silly jokes, but nobody laughed ... him.

a) on c) at

b) under d)about

20. We feel sorry ... Sam because he hasn't got any friends.

a) for c) with

b)about d) by

21. When I speak Italian, all the others in the class ... at me as I don't know the language

well.

a) laughed c) will laugh

b) was laughing d) laugh

22. Don't make noise: the children ... to sleep.

a) try c) will try

b) is trying d) are trying

23. I ... understand this letter. Will you translate it for me?

a) can't c) may not

b) mustn't d) shouldn't

24. Diana's parents don't let her go to late-night disco. She ... be at home at 9 o'clock in the

evening.

a) must c) may

b) can d) have to

25. This is ... film I've ever seen.25

a) more interesting c) most interesting

b) the most interesting d) not interesting

7 лет назад

Предмет: Геометрия, автор: mimimi89

помогите, хоть кто-нибудь, пожалуйста..

в прямоугольном треугольнике abc угол c 90 градусов, bc=1, sin B=4/корень из 17. найти AC

10 лет назад

Предмет: Литература, автор: kathrin971

ПОЖАЛУЙСТА.

Вопросы и задания к главе " Тамань " Герой нашего времени

Эпизод 1. Проанализируйте диалог слепого и девушки-ундины ночью на берегу моря со слав " Так прошло около часа" до слов " Я насилу дождался устра" Как в эпизоде проявляется характер Печорина? Зачем ему нужно было "достать ключ " к загадке контрабандистов?
Эпизод 2. Проанализируйте портрет девушки-ундины и рассуждения Печорина о женской красоте со слов " Часа через два Ю когда всё на пристани умокло" до слов " что я ничего не мог расслышать" . Дайте оценку Печорину в этой сцене. Какие слова в описании его душевного состоянии являются ключевыми?

-Что удевило Печорина в житилях Тамани? Подтвердите свои мысли цитатами.
- Почему Печорин называет контрабандистов " честными" Почему ему грустно в конце их истории? Что это проясняет в его характере?

10 лет назад

Назовите соединение по систематической номенклатуры C2H4-CH3COH-C2H5OH-CO2

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