Предмет: Математика, автор: niknowickowa2

Брат и сестра ехали на велосипедах в парк. Сестра ехала 300м/мин. а брат ехал 200м/мин. Растояние было 500 метров. Сколько времени заняла эта поездка?

Ответы

Автор ответа: Morfey1
0
Сестра приехала за 1 с половиной минуты а брат за 2 с половиной слаживаем и получаем за 4 минуты они проехали 500метров
Похожие вопросы
Предмет: Английский язык, автор: canlucilia08
1. Поставьте глаголы в следующих предложениях в утвердительную, вопросительную и отрицательную формы Present Simple.
1. Pete (to do) morning exercises.
2. He (to work) at school.
3. She (to sleep) after breakfast.
4. They (to work) full-time.
5. I (to drink) tea every day.
6. Kate (to be) a worker.
7. Tim (to have) a car.
8. She (to be) a good friend.
9. We (to be) good friends.
10. It (to be) easy to remember everythi2. Раскройте скобки, употребляя глаголы в Present Simple.
1. Mick (to have) a sister.
2. Her brother’s name (to be) Nick.
3. She (to be) a student.
4. Mike (to get) up at seven o'clock.
5. She (to go) to school in the morning.
6. Felix (to be) fond of sports.
7. We (to run) every day.
8. For breakfast he (to have) two eggs, a sandwich and a cup of tea.
9. After dinner he (to go) to the institute.
10. Sometimes she (to take) a taxi.
11. It (to take) her an hour and a half to do her homework.
12. She (to speak) French well.
13. Her parents usually (to call) her at about 7 o’clock.
14. Mary (to take) a shower before going to bed.
15. I (to go) to bed at 10 p. m.
Упражнение 3. Раскройте скобки, употребляя глаголы в Present Simple.
1. My school day (to begin) at seven o'clock.
2. Natasha (to get) up, (to switch) on the TV and (to brush) my teeth.
3. It (to take) me about 10 minutes.
4. We (to have) lunch at one o’clock.
5. He (to leave) home at half past six.
6. I (to take) a bus to the college.
7. It usually (to take) me about one hour to get there.
8. Films (to begin) at eight.
9. They usually (to have) six classes a day.
10. I (to have) breakfast at about 7 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 _____ tennis at school. (to play)
2) Max _____ emails. (not / to write)
3) ____ she____ German? (to speak)
4) My father ____ fish. (not / to like)
5) ____ Kate ____ any friends? (to have)
6) His uncle _____ in an office. (to work)
7) Mike ___ very fast. (cannot / to run)
8) ____ we ____ the plants every 5 days? (to water)
9) His aunt _____ a bike. (not / to ride)
10) ____ Lizzy_____ tea? (to drink)
Упражнение 5. Вставьте глагол “to be” в требуемой форме Present Simple.
1. I ... a worker.
2. My mother ... not a teacher, he ... a doctor.
3. ... your father a professor? - Yes, he ... .
4. ... we at home? - No, they ... not. We ... at school.
5. ... you a taxi-driver? - Yes, I....
6. ... your Granny a photographer? No, she ... not a photographer, she ... a pensioner.
7. ... your sisters at school? - Yes, they ... .
8. ... this her clock? - Yes, it ... .
9. Ben ... an office-worker.
10. We ... fine!
Упражнение 6. Переведите на английский язык:
1. Она занята. (to be busy)
2. Я не занят.
3. Вы заняты?
4. Они дома? (to be at home)
5. Его нет дома.
6. Я не знаю.
7. Они знают?
8. Она не знает.
9. Кто знает?
10. Никто не знает.
11. Он читает английские книги? (to read English books)
12. Они никогда не читают. (never / to read)
13. У неё есть квартира? (to have a flat)
14. У него ничего нет.
15. Это кто?