Предмет: Математика, автор: ksyukhabloger

женя отдыхает на даче и каждую пятницу ездит на велосипеде на станцию Покровка встречать папу который приезжает на электричке . в тот момент когда папа
выходит из электрички женя отправляется на станцию .папа идет со скоростью 50 м/мин. скорость с которой едет женя на велосипеде -200 м/мин. расстояние от дачи до станции Покровка равно 4 км через сколько минут женя встретится с папой

Ответы

Автор ответа: gvc2707
6
Скорость сближения 50+200=250 м/мин время через которое они встретятся 4000м/250м/мин=16 мин
Похожие вопросы
Предмет: Английский язык, автор: qween26
Выбери правильный вариант ответа1. Take an umbrella. It_might_ rain later.

A) Might B) should C) must D) have to E) has to

2. They ___ don't have to _______ do their homework today because it is a holiday at the school.
A) must not B) don't have C) don't have to D) shouldn’t E) must

3. You ____________ read a book, if you want.
A) might B) may C) must D) have to E) should

4. You _________ check with your parents. Itis a rule.

A) might B) may C) must D) have to E) should

5. She __________ wear green uniform at her school.

A) has to B) may C) must D) have to E) should
6. ___________ I useyourphone?

A) might B) may C) must D) have to E) should
B)
7. You ____________ ask your teacher, if you have questions.

A) might B) may C) must D) have to E) should

8. I _____________ go anywhere without my parent’s permission.

A) might B) mustn’t C) must D) have to E) should

9. Take an umbrella. It_________rain later.

A) Might B) should C) must D) have to E) has to

10. They __________ do their homework today because it is a holiday at the school.
A) must not B) don't have C) don't have to D) shouldn’t E) must

11. You ____________ read a book, if you want.
A) might B) may C) must D) have to E) should

12. You _________ check with your parents. It is a rule.

A) might B) may C) must D) have to E) should

13. She __________ wear green uniform at her school.

A) has to B) may C) must D) have to E) should

14. ___________ I useyourphone?

A) might B) may C) must D) have to E) should

15. You ____________ ask your teacher, if you have questions.

A) might B) may C) must D) have to E) should

16. I _____________ go anywhere without my parent’s permission.

A) might B) mustn’t C) must D) have to E) should

Предмет: Английский язык, автор: ученик220417