Предмет: Математика, автор: iralegaeva

помогите плиз перевести в часы:

сутки и декаду. и надо перевести в минуты: сутки и декаду .

Ответы

Автор ответа: leralisa18
0
В сутках 24 часа => 24*60=1440 часов в сутках=>1440*60=86400 минут в сутках
В декаде =10 дней => 240 часов => 14400 часов в декаде=>14400*60=864000 минут в декаде
Автор ответа: Kristinacolnce
0

а)1сут=24ч

1дек=10сут=24*10=240ч




б)1ч=60мин

1сут=24ч=24*60=1440мин

1дек=10сут=240ч=240*60=14400мин
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Exercise 1 .
Open the brackets using Past Simple or Past Continuous. Write full sentences.
1. They _______ (to translate) a difficult text yesterday.
2. When my father _______ (to come) home yesterday, my mother _______ (to make) supper.
3. We _______ (not to go) on a trip last summer.
4. When I _______ (to come) home from school yesterday, my little brother _______ (to sit) on the floor with all his toys around him.
5. He _______ (to play) with them. I _______ (to tell) him to put his toys into the box as he _______ (to make) too much noise.
6. What you _______ (to do) at four o'clock yesterday? — I _______ (to feed) my cat.
7. He _______ (to begin) repairing his bicycle in the morning yesterday.
8. I _______ (not to play) the piano yesterday. I _______ (to write) a letter to my friend.
9. When I _______ (to go) to school the day before yesterday, I met Mike and Pete.
10. What Nick _______ (to do) when you came to his place?
Примечание:
1. Read the sentences carefully and try to understand whether the action was short or long. Remember about state verbs which cannot be used in Continuous forms. Прочитайте предложения внимательно и постарайтесь понять, было ли действие продолжительным. Помните про то, что статичные глаголы не употребляются в формах Continuous.
2. Write or type full sentences using either Past Simple or Past Continuous. If you doubt what tense to choose or how to build the form, revise the topic “Past Simple and Past Continuous”. Напишите или напечатайте предложения полностью, используя Past Simple или Past Continuous. Если вы сомневаетесь в том, какое время выбрать или как верно построить предложение, вернитесь к теме “Past Simple and Past Continuous”.
3. Keep in mind that you should start your sentences with capital letters. Помните, что начинать предложения нужно с заглавной буквы.
4. Once you have written your answers, read through the completed sentences once again to double-check them. После того как вы напишете свои ответы, прочитайте предложения еще раз, чтобы убедиться, что они написаны без ошибок.
5. For this task you can get 16 points, 1 point for each correct form. За это задание вы можете получить 16 баллов, по 1 баллу за каждую правильную форму.

Exercise 2
Fill the gaps with one of the words below.
to cure, robots, environmentally-friendly, enthusiasm, ready-made, foresee, Mars, exploration
Future life
According to the recent survey, people expect that home life will be better. Most people believe that by 2050 (1) ________will be doing the housework and we will be eating (2) ________food. A lot of people think that we might only cook for fun in the future.
Space (3) _________will become increasingly popular. Fifty per cent of the people we talked to believe that man will regularly visit (4) _________. They also believe that travel on our own planet will probably change. Almost everyone thinks that there will be no cars in the city centers. Some even think that (5) ______________ electric or solar-powered cars will have replaced the cars we use nowadays. Pollution is something that seems to worry many people. Some fear that it will continue to get worse, and that our planet will become impossible to live on. Others even (6) _________that one day we'll have to pay for clean air just like we do now for clean water.
On the other hand, people seem to be quite optimistic about the benefits of genetic engineering, as they think scientists will use it (7) _________diseases like cancer and AIDS. If scientists manage to find a cure for these, we'll have a much healthier society. Some people worry about the future, while others are full of hope and (8) _________. No matter how dark or bright it may seem, it is up to us to look after our planet and try to make it a better place to live.
Exercise 3
a) Write positive sentences using Future Simple.
1. (I/do/this/later)
2. (we/go shopping)
3. (the sun/shine)
4. (Peter/call/you)
5. (they/be/there)
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1. It (rain/not) tomorrow.
2. I promise I (be/not) late.
3. We (start/not) to watch the film without you.
4. The bus (wait/not) for us.
5. He (believe/not) us.
c) Write questions using Future Simple.
1. (what/learn/they) ?
2. (it/snow) ?
3. (when/you/get/home) ?
4. (she/forgive/me) ?
5. (what/say/he) ?
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