Ответ по предмету Алгебра: Упростите выражение. (а-3)(а-7)-2а(3а-5)

Предмет: Алгебра, автор: hismatullinaelvira79

Какие из чисел 3, -2,1 один является корнями уравнения:пж помогите срочно надо !!!!!!¡¡¡¡

6 лет назад

Предмет: Химия, автор: Chelovek383

Конспект по химии 8 класс воздух и его состав Габриелян. Срочно!!

6 лет назад

Предмет: Английский язык, автор: Аноним

Grammar (4 points 0.5- per each correct answer)
Put the verbs in brackets into present simple/continuous or the present perfect simple/continuous.
1 She …………………………………. (be) on holiday for two weeks now.
2 Mr Omarov …………………………………. (teach) Geography at our school. He’s my favourite teacher this year.
3. Water …………………………………. (freeze) at 0 degrees Celsius.
4. Bulat …………………………………. (read) a novel right now.
5. Korkem …………………………………. (not/go) to the theatre very often.
6. We ………………………………. (eat out) tomorrow night.
7. It …………………………………. (rain) non-stop for the last six hours.
8. She is tired because she ………..…………. (do) chores all day.

Reading (4 points)
Read the text and decide if the statements below are True (T), False (F) or Doesn’t Say (DS).
Nowadays, video games are very popular with many teens as a form of entertainment. But are they harmful to young people?
There are many advantages to playing video game. Firstly, they are a good way to become familiar with modern technology. Young people can learn skills that will be useful to them later in life by playing video games. Secondly, the games themselves can be educational. Some games can teach young people about making strategies and solving problems. Finally, they can simply just be fun and entertaining to play.
On the other hand, there are disadvantages to playing video games. To start with, many games are very violent and this can affect young people. Secondly, the games can be addictive and young people end up spending too much time playing games instead of studying or seeing their friends.
To sum up, there are both positive and negative aspects to video games. They can be beneficial because they can teach young people important skills but young people shouldn’t play violent ones or play them too often.

1. Video games are becoming
more and more popular. ……..
2. You need to be good with computers
to play video games. ……..
3. You can learn things by playing
video games. ……..
4. Playing video games may lead to
lower grades at school. ……..
5. The writer concludes that there are
no advantages to video games. ……..

Listening
Task 1 (2points)
Write the sentences in the correct group.
The message was at a quarter to four.
The woman says thank you for the card.
The woman describes the house.
The woman gives directions.
The woman talks about a swimming pool.
The woman talks about a bus.

Message 1

Message 2

Task 2. (2 points)
Circle the best answer.
1. She is having a party for ... a. her family. b. her very good friends. c. everybody at work.
2. The party is at ... a. the swimming pool at her house. b. her cousin’s house. c. work.
3. To get to the party, drive ... a. straight on Forest Road. b. right on Forest Road. c. left on Forest Road.
4. The motorway exit you need is ... a. 3A. b. 13A. c. 30A.
Помогите пожалуйста срочно!!! даю 100 баллов

6 лет назад

Предмет: Физика, автор: roman95

Получим ли p-n переход, если впаять олово в германий или в ванадий?

А. Да (в обоих случаях)

Б. Нет для ванадия и да для германия

В. Нет (в обоих случаях)

Г. Нет для германия и да для ванадия

10 лет назад

Предмет: Обществознание, автор: Kristina1983

природа представляет собой чтоюПомогите мне пожалуйста

10 лет назад

Упростите выражение. (а-3)(а-7)-2а(3а-5)

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