Предмет: Математика, автор: 1971ujl

выразите в часах 15 мин, 29 мин, 5 мин 2 сек

Ответы

Автор ответа: kupriyanov1999

15 мин=1/4 ч

29 мин=29/60 ч

5 мин 2 сек =1/12+1/30/60

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Математика, автор: nickjsowkfkfell

РЕШИТЕ УРАВНЕНИЕ ПОЖАЛУЙСТА

6 лет назад

Предмет: География, автор: FreezyGG

Помогите,даю 15 баллов!

Абсолютная высота - ?
Какой холм крутой/пологий - ?
Высота от подножья до вершины - ?

6 лет назад

Предмет: География, автор: 07kuralai

Present Simple or Present Continuous

1. Mark and Greg always___home before 9 p.m.

a) are coming

b) comes

c) come

2. Betty can't answer the phone. She___.

a) sleeps

b) is sleep

c) is sleeping

3. My mother never___me up in the morning.

a) wakes

b) is making

c) doesn't wake

4) When___?

a) does he normally get up

b) do he normally get up

c) is he normally getting up

5) My father is in Greece now. He___at a very nice hotel.

a) stays

b) is staying

c) stay

Past Simple or Past Continuous

6) Which exams___at school?

a) did you took

b) did you take

c) were you taking

7. The firm went bankrupt and l___my job.

a) was losing

b) lost

c) losing

8. Where___when I met you yesterday?

a) were you going

b) did you went

c) did you going

9.Kelly ___ near the river at 4pm yesterday.

a) was sunbathing

b) sunbathed

c) were sunbathing

10. We___to Paris last summer.

a) goed

b) were going

c) went

Past Simple or Present Perfect

11. My brother ___ a lot when he was young.

a) swam

b) has swum

c) have swum

12. I____my best friend for ten years.

a) knew

b) have known

c) has known

13.Somebody ____ our car last Sunday.

a) stole

b) has stolen

c) have stolen

14. My parents ___ to Germany in 2005.

a) went

b) has gone

c) have gone

15.Is Mary at home? No, she ___.

a) have just left

b) just left

c) has just left

Past Simple or Past Perfect

16.When I came to the station the train ___.

a) already went

b) already gone

c) had already gone

17. We____ a new car last month.

a) had bought

b) bought

c)did bought

18. He___his work by 6 p.m. yesterday.

a) finished

b) had finished

c) has finished

19.They___the cake before we came.

a) had eaten

b) had ate

c) ate

20. ____ this bag last month?

a) Had you bought

b) Did you buy

c) Did you bought?

6 лет назад

Предмет: Биология, автор: Veskrim

Цветки и плоды у цветкового растения расположены...

9 лет назад

Предмет: Математика, автор: Notya

Помогите решить задачу пожалуйста

Ты просидел за компьютером уже 10 минут . Это 2/5 отведенного на работу за компьютером времени. Через сколько минут ты должен закончить работу? Успеешь ли ты за это время сделать нужный тебе рисунок, если на это потребуется 11 минут?"

9 лет назад