Предмет: Алгебра, автор: Ерофейка

Срочно! Помогите, пожалуйста!

Приложения:

Ответы

Автор ответа: zaurik777
2
2sin^2x-3sinx+1=0
D = 1
sin1x=0.5 => x=30°
sin2x=1 => x=90°
Ответ: 30° и 90°.
zaurik777: Если можешь отметь ответ как лучший.
Автор ответа: sardoruldosev219
1
если не понятно спрашивай
Приложения:
zaurik777: Ошибка.
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Химия, автор: ssweetdeathh23
Яка кількість речовини міститься у 10г водню H2?

ПОМОГИТЕ И НАПИШИТЕ С ПОЛНЫМ ОБЪЯСНЕНИЕМ КАК ВЫ ЭТО ДЕЛАЛИ, ДАМ ОЧЕНЬ МНОГО БАЛЛОВ ПОЖАЛУЙСТА!!!!!
5 лет назад
Предмет: Английский язык, автор: gertsaanastasi0913
Пожалуйста помогите! Напишите по-английски слово, которое звучит как [нэкинс]! Слово относится к теме "Дом. Квартира"!!!
5 лет назад
Предмет: Английский язык, автор: tekhnkim98
Variant B
Vocabulary

A Fill in the missing word. There are three words you do not need to use designing, artistic, still, portrays, starring, stunt, anonymous, private, set, miniature, plot, spray

1. If you are not a professional … man, don’t even try to perform it. It is dangerous!

2. Since childhood he was keen on … sculptures.

3. The painting … a lot of primary school children with their teacher walking in the garden on a nice spring day.

4. She expresses her … creativity through drawing and painting everywhere.

5. I have read the book recently but the … hasn’t made any strong impression on me.

6. Bedtime stories is a brilliant comedy … Adam Sandler.

7. … property is protected by the law.

8. The novel is … in London in the 1960s.

9. A number of architectural students are … a building of a new museum.

B Fill in the correct phrase. theme tune, model making, action-packed, special effects, box office, all-star

10. … are illusions or visual tricks used in the film, television, theatre, video game and simulator industries.

11. Bred has been playing the … on his guitar all morning.

12. … films are enjoyed mostly by young audience who love excitement.

13. A … success is a very successful film or play that earns a lot of money.

14. The film with an … cast has been recently shown at our cinema

15. Do you fancy joining … classes at our school? – Yes, I’d love to.

Grammar

C Complete the sentences using the correct forms of the words in brackets.

16. Who is the … (old) person you know?

17. Which is … (quick) – the bus or the train?

18. The … (much) time I have, the … (little) it takes me to do things.

19. I can remember when I was three years old. It’s … (early) memory.

20. Everest is … (high) mountain in the world.

21. My toothache is getting more and … (painful).

22. This knife isn’t very sharp. Do you have a … (sharp) one?

23. ‘How long can I stay with you?’ ‘You can stay as … (long) as you like.’
5 лет назад
Предмет: Алгебра, автор: Galenka17
Помогите 10 плиз, очень срочно
9 лет назад
Предмет: Математика, автор: zaychik21
Решите пожалуйста!!
Заранее спасибо
9 лет назад