Предмет: Математика, автор: englishteaverygood

из одного населенного пункта в противоположных направлениях вехали автомобильи мотоцикл. Скорость автомобиля 75 км/ч , скорость мотоцикла состовляет 16/25 скорости автомобиля.Через сколько часов растояние между ним и будет состовлять 319,8 км

Ответы

Автор ответа: Iryn95

Ответ:

2,6 часа

Пошаговое объяснение:

1) найдем скорость мотоцикла

75 * 16/25 =3*16=48 км/час

2) скорость удаления будет

75 +48 =123 км/час

3) время , через которое расстояние между ними будет 319,8 км

319,8 : 123=2,6 часа

englishteaverygood: спасибо,большое

Iryn95: удачи )

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: cimbo

Correct the mistakes. 1. You was tired after work. 2. We celebrate this holiday in the April. 3. Do you want something? 4. He is the nine child in his family. 5. Did you washed your hands and face? 6. I need two hundreds dollars. 7. One pupil is in the classroom, the others children are in the yard. 8. This is the thirties-one Avenue. 9. They didn’t work in Monday. 10. We can’t get nothing from you. 11. I want to buy this toy and you want the others toys. 12. Does somebody know you here? 13. There are many cold days on winter. 14. She was liked her mother. 15. He gives her two third of his money. 16. There is no any apples in the basket. 17. Somebody know this language. 18. They have many practice every lesson. 19. None of we meet him. 20. The twentyth of March was a very hard day for me. 21. There is a few coffee in the cup. 22. I use all these butter for a cake. 23. We knows less words then you. 24. Do they finished their work? 25. Tom and Alice was at the seaside last summer. 26. When was you born? – I was born on 1960. 27. They didn’t yesterday open their shop. 28. Put those bread into the cupboard. 29. Does she go for a walk often? 4. Correct the mistakes. 1. Spring are a nice season. 2. Let’s to go to the cinema. 3. We often see an umbrellas in the hall. 4. There is an university in Moscow. 5. My friend Mary sleeps often till noon on Sundays. 6. John and Tom is at home. 7. We all are hungry after the walk. 8. I have to go to a doctor sometimes. 9. You can speak Chinese or English? 10. She is sorry, doesn’t she? 11. Whose are that cars? 12. They must know this story, don’t they? 13. Why you tell me about Kitty? 14. Who are at the meeting? 15. There is an ice in the glass. 16. Put a few sugar in my cup, please. 17. What are in the box? 18. What are this girls? 19. Are there any snow on the ground? 20. There aren’t much students in the room. 21. I have many homework today.| 22. Nick and Sue has 2 children. 23. We grow in same family. 24. It is such difficult task. 25. You always find the such interesting book. 26. Take my dress, your is dirty. 27. Theirs voyage was wonderful. 28. I am not good today. 29. I don’t know nobody in this class. 30. Bring me the others books. 31. There is no a bridge across the river. 32. Which of the boys play baseball? 33. They haven’t yet came to me.

1 год назад

Предмет: Русский язык, автор: Ксюшус

Магазин продал за 3 дня 550 кг картофеля.В первый день продали 180 кг, а остальной картофель продали поровну во второй и третий дни. Сколько кг картофеля продали в первый и второй дни вместе?

1 год назад

Предмет: Другие предметы, автор: огент

придумать предложение со словами лесник или лесной

1 год назад

Предмет: Литература, автор: Artyr200516

Сочинение по картине заранее спасибо)

8 лет назад

Предмет: Математика, автор: 822настя228

Какая из данных пропорций неверна?
1) 3:15=4:20
2)3:4=15:20
3)4:15=3:20
4)15:3=20:4
ПЖ!ПОМОГИТЕ!

8 лет назад