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Кто нибудь помогите соч по математике. Срочно надо!!!!!! Ребята пожалуйста!!!!!!
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Предмет:
Математика -
Автор:
cambile50c - 6 лет назад
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Ответы 3
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Спасибо тебе . Хоть кто-то ответил
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Автор:
shermangalloway - 6 лет назад
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0
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не за что
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Автор:
hudsonmedina - 6 лет назад
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0
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а) х-2b) 2.5xc) P=2,5x+x+x-22,5x+x+x-2=254,5x=27x=6
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Автор:
remy6e6f - 6 лет назад
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0
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Предмет:
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Автор:
bridge - 6 лет назад
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Ответов:
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На основании молекулярной формулы С4Н6 определите, к какому классу углеводородов относится вещество. Составьте структурные формулы одного изомера и одного гомолога. Назовите все вещества.
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Предмет:
Химия -
Автор:
simone5fpq - 6 лет назад
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Ответов:
1 -
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22. Open the brackets and put the verb into the correct tense form (Present, Past or Future, Simple or Progressive, Active or Passive)
1. Now she … (to look for) a better job. 2.The polar ice caps … (to consist) of millions of tons of ice. 3. You … (to know) that man? Why he … (to look at) us? 4.When Don … (to arrive) we … (to have) coffee yesterday. 5. There is somebody walking behind us. I think we... (to follow). 6.Numerous questions … (to discuss) by the commission at the moment. 7.They … (to have) a party at the moment. 8.The television was on but nobody … (to watch) it. 9.Many accidents … (to cause) by bad driving. 10.He … always (to borrow) money from me. 11.I … (to walk) when it … (to start) to rain. 12.Cathy … (to phone) when her parcel (to arrive). 13.Hello, Mike, what you … (to do) in this part of the city? – I … (to look for) a new flat to rent. 14.I waved to her but she … (not to look). 15.Sam … (to fall) down the stairs this morning and … (to hurt) his leg. 16.Mum, what you …
(to cook) now? 17.Sorry, but I can’t lend you my camera, it … (to repair) this week. 18.The last lecture … (to be) very interesting, the professor … (to listen to) with great attention. 19.Julia … (to speak) four languages very well.20.She … (to do) her homework all the evening tomorrow. 21.This year a new ring road … (to build) round the city. 22.He … (to tell) the news when I … (to enter) the room. 23.Jane … (not to drink) tea very often.24.John is never satisfied, he always … (to complain)! 25.Tom burnt his hand while he … (to cook) breakfast.26. This time next week I … (to be) on a beach or I … (to swim) in the sea. 27.Some days ago I … (to offer) a new job but I … (to refuse). 28. When he called the service his car still … (to maintain).29. The river … (to flood) because it … (to rain) heavily for weeks. 30. This antique car … (to restore) by an expert this summer.
23. Complete the sentences with some, any, no, every or their derivatives with –body, -thing, -where.
1. She put her bag… and now can’t find it. 2.He refused to eat …. 3.It’s a simple task, … can solve it. 4.Let me know if you need …. 5.This evening I am going out with … friends of mine. 6.… seat in the theatre was taken. 7. I was looking for my keys … but couldn’t find them. 8.The exam was extremely difficult - … passed. 9.I didn’t go … last summer, I stayed at home. 10. … is clear now.11.I couldn’t answer … questions they asked me. 12.When the fire alarm rang, … left the building immediately. 13. I have got hardly … money left. 14. He gave me … I asked for. 15. Did you go … for the weekend? 16. Can … use the tennis courts or only college students? 17. The lesson began but there were only … students in the class. 18. Can I have … milk in my coffee, please? 19. There is … ink in my pen, I can’t write. 20. Put … on, it is cool outside. 21. I will stay at home at the weekend, you can come … time you want. 22. It was snowing the whole night - … was white in the morning. 23. … is interested in this dull story. 24. You can use …program to calculate the experimental data. 25. When she came to her house she noticed that … was waiting at the door.26. He teaches his son … he knows. 27. It was quite dark, I could see …. 28. I saw … boys in the garden but Paul wasn’t among them. 29. Thank you for the explanation, now I understand …. 30. I am thirsty, I would like … to drink.
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Предмет:
Английский язык -
Автор:
savannah - 6 лет назад
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Ответов:
1 -
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Решите систему
4x-y=2
x^2+y^2-xy=3
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