Ответ по предмету Математика: из двух городов выехали одновременно навстручу друг другу два мотциклиста .Один из них двигался со средней скоростью 70км/ч и проехал до встречи 140 км ,а другой двигался со средней скоростью 65км/ч.найди расстояние между городами . Составь и реши обратно

Предмет: Математика, автор: Artemvoo

составить уравнение касательной к графику функции f(x)=x^2-x^3 проходящей через точку графика с абцисой x0=-1

6 лет назад

Предмет: Английский язык, автор: katyasnak7

Упражнение 1. Поставьте глаголы в следующих предложениях в утвердительную, вопросительную и отрицательную формы Present Simple.

1. I (to do) morning exercises.

2. He (to work) at a factory.

3. She (to sleep) after dinner.

4. We (to work) part-time.

5. They (to drink) tea every day.

6. Mike (to be) a student.

7. Helen (to have) a car.

8. You (to be) a good friend.

9. You (to be) good friends.

10. It (to be) difficult to remember everything.

Упражнение 2. Раскройте скобки, употребляя глаголы в Present Simple.

1. Alice (to have) a sister.

2. Her sister’s name (to be) Ann.

3. Ann (to be) a student.

4. She (to get) up at seven o'clock.

5. She (to go) to the institute in the morning.

6. Jane (to be) fond of sports.

7. She (to do) her morning exercises every day.

8. For breakfast she (to have) two eggs, a sandwich and a cup of tea.

9. After breakfast she (to go) to the institute.

10. Sometimes she (to take) a bus.

11. It (to take) her an hour and a half to do her homework.

12. She (to speak) English well.

13. Her friends usually (to call) her at about 8 o’clock.

14. Ann (to take) a shower before going to bed.

15. She (to go) to bed at 11 p. m.

Упражнение 3. Раскройте скобки, употребляя глаголы в Present Simple.

1. My working day (to begin) at six o'clock.

2. I (to get) up, (to switch) on the TV and (to brush) my teeth.

3. It (to take) me about twenty minutes.

4. I (to have) breakfast at seven o’clock.

5. I (to leave) home at half past seven.

6. I (to take) a bus to the institute.

7. It usually (to take) me about fifteen minutes to get there.

8. Classes (to begin) at eight.

9. We usually (to have) four classes a day.

10. I (to have) lunch at about 2 o’clock.

Упражнение 4. Используйте слова в скобках для образования предложений в Present Simple. Обратите внимание, в какой форме должно стоять предложение (утвердительной, вопросительной или отрицательной).

1) They _____ football at the institute. (to play)

2) She _____ emails. (not / to write)

3) ____ you____ English? (to speak)

4) My mother ____ fish. (not / to like)

5) ____ Ann ____ any friends? (to have)

6) His brother _____ in an office. (to work)

7) She ___ very fast. (cannot / to read)

8) ____ they ____ the flowers every 3 days? (to water)

9) His wife _____ a motorbike. (not / to ride)

10) ____ Elizabeth_____ coffee? (to drink)

Упражнение 5. Вставьте глагол “to be” в требуемой форме Present Simple.

1. I ... a student.

2. My father ... not a shop-assistant, he ... a scientist.

3. ... your aunt a nurse? - Yes, she ... .

4. ... they at home? - No, they ... not. They ... at school.

5. ... you an engineer? - Yes, I....

6. ... your friend a photographer? No, she ... not a photographer, she ... a student.

7. ... your brothers at school? - Yes, they ... .

8. ... this her watch? - Yes, it ... .

9. Max ... an office-worker.

10. We ... late, sorry!

6 лет назад

Предмет: Информатика, автор: fidanmirzoeva21

помогите умоляю вас!!

6 лет назад

Предмет: Математика, автор: vgthby

математика 6 класс Сколько процентов составляет: 2,8 км от 7 км

9 лет назад

Предмет: Математика, автор: ghfr

187-(87-40-17)*2=
(85-53)-(28+16):4=
помогите решить!

9 лет назад

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