Предмет: Математика, автор: useruxaoug

Будь ласка, допоможіть вирішити задачу на рух

Приложения:

Ответы

Автор ответа: iramazurk

0

Ответ:

12,4 км/ч

Пошаговое объяснение:

Скорость велосипедиста = х км/ч

(64,5 - х) * 3 = 156,3

64,5 - х = 156,3 : 3

64,5 - х = 52,1

х = 64,5 - 52,1

х = 12,4

Скорость велосипедиста = (х) = 12,4 км/ч

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: fatimna14

памагите ААААААААААА

1 год назад

Предмет: Математика, автор: Аноним

Якою цифрою потрібно замінити зірочку у записі 23*57, щоб отримане число було кратним 9?

1 год назад

Предмет: Английский язык, автор: djsjkdie

7
11.3.6 Read the dialogue. Replace the
phrases in bold with similar phrases from
the Useful Language box.

1 год назад

Предмет: Английский язык, автор: Vetalai

1.Complete the gaps with a\an,the or zero article.
1._____ men are fond of hunting. 2 _____ red is my favourite colour. 3. He became___ doctor. 4______ highest mountians are in _____ Asia. 5 My uncle used to be ____ dentist before he retired. 6 London is ___ biggest city in Britain. 7 It was early morning on ___ Friday, the thirteenth of ___ December. 8 There are special schools for __ blind and ___ deaf.

2 Complete the sentences with the right form of verbs

1. Peter_____________ (go) home by the time I arrived.

2. If I ______________( have) the money , I ____________________( go) snowboarding.

3. Kate suddenly realised that he_________________-_____ (leave) his laptop on the train.

4. If I __________ ( be) fitter, I _________________ ( try) rock climbing.

5. Father was annoyed because I _______________________(not clean) my room.

6. ______________(they / study) English before they went to the USA?

7. If I ______( be ) taller, I _____ ( play) volleyball.

8. I _______finish this report by the end of the week (must\have to).

9 Alex lives and works in Florida but he _________________ (have) a holiday in England at the moment.

10 Olga ____________ (get up) at seven o'clock every morning.

11She ______________ (work) here for five years.

12 I ________________ ( run) when I saw some people.

3 Complete the sentences with the correct question tags.

1. Mr Adams is from Ireland, ___________?

2. The bike isn't in the garage, ________?

3. You are Mary , _____________?

4. Lena went to the library yesterday, ______________?

5. John didn't recognize me, ______________?

6. Buses pollute the environment, _____?

7. Mr. Jason has been to Scotland recently, __________?

8. The trip is very expensive, ________?

9. He won't tell her, ___________?

10. John had a red car, ________________?

7 лет назад

Предмет: Химия, автор: abknvass

Название класса соединения гидроксильная

7 лет назад