Предмет: Математика, автор: lartamonov2010

как решить задачу , помогите плиз. Из села в город мотоциклист ехал 3 часа со скоростью 60 км/ч . Обратный путь он проехал за 4 часа. с какой скоростью ехал мотоциклист из города в село.

Ответы

Автор ответа: PARDONCHIK

60*3=180(км)-путь
180:4=45км\ч скорость обратно

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: pasha22703

помогите тпожалуйста задание первый класс утристолатристула

1 год назад

Предмет: Русский язык, автор: 16Лера11

Лишнее слово : заслуга,цветок,сердце,знак

1 год назад

Предмет: Қазақ тiлi, автор: бика16

қазақ тіл 68 бет 37 жаттығу
көмектесіп жібересізбе?

1 год назад

Предмет: Английский язык, автор: Аноним

1. My parents ….. in the garden for 3 hours.

a) works b) are working c) has been working d) have been working

2. Kate ….. while we were having dinner.

a) phoned b)is phoning c) has phoned d) was phoning

3. If I am not mistaken, this article ….. last week.

a) published b) was published c) had been published d) is publishing

4. English ….. in many countries.

a) speaks b) is speaking c) is spoken d) were spoken

5. ….. Amazon flows into ….. Atlantic Ocean.

a) the; the b) the; -- c) --; the d) --; --

6. You ….. take a bus to get to the museum. It’s far from here.

a) should b) may c) must d) has to

7. It was a very difficult text. I ….. look up a lot of words in a dictionary.

a) must b) have to c) had to d) can

8. In the past people protected ….. by high walls.

a) they b) himself c) their d)themselves

9. Don’t ask me for help. You must do it …. .

a)yourself b) you c) your d) herself

10. Suddenly John left the room. He said he ….. go.

a) had to b) has to c) have to d) must

11. They claimed they ….. the law.

a)haven’t broken b)were not breaking c)hadn’t broken d)wouldn’t be breaking

12. He asked us what ….. .

a) was the problem b) are the problem c) the problem is d) the problem was

13. I wanted ….. to learn this poem by heart.

a) he b) him c) his d) me

14. I will ask Tom if I ….. him tomorrow.

a) will see b) see c) sees d) saw

15. He ….. his exam last month if he had worked harder.

a) would have passed b) had passed c) passed d) will have passed

16. She would be happy if she ….. him at the party.

a) meet b) had met c) met d) has met

17. There were conflicts in our class and we decided to work ….. rules of behavior.

a) out b) on c) with d) for

18. People always ….. the world.

a) explore b) search c) study d) examine

19. The Scottish symbol is a wild plant called the ….. .

a) Red Rose b) Leek c) Shamrock d) Thistle

20. People who respect each other’s ideas can ….. conflicts in a peaceful way.

a) decide b) resolve c) have d) avoid

21. My friend broke her leg last week. I hope she will get ….. soon.

a) along b) back c) over d) away

22. My sister-in-law spend all her free time reading books. She is a real ….. .

a) bore b) bookworm c) chatterbox d) fusser

23. I am going to be a ….. because I like animals and birds.

a) vet b) lawyer c) surgeon d) waiter

24. They were not allowed ….. their presents until Christmas morning.

a) open b) opening c) to opening d) to open

25. The event ….. before they arrived home.

a) reported b) had been reported c) was being reported d) has been reported

7 лет назад

Предмет: Математика, автор: maxlyqa26

Решите уравнения помагите пожалуста срочно !!!!!!!!

7 лет назад