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На базу привезли 10т 850кг моркови. Через несколько дней осталось две пятых привезённой моркови. Сколько моркови вывезли с базы?
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Предмет:
Математика -
Автор:
patricia - 5 лет назад
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Ответы 1
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10850*(2/5)=434010850-4340=65106510 вывезли с базы
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Автор:
candiceopvx - 5 лет назад
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0
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Крыша силосной башни имеет форму конуса.Высота крыши 2м, диаметр башни 6м, найдите поверхность крыши
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Предмет:
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Автор:
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Ответов:
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Помогите решить задачи плиз!!!
1.На проводник длиной 50 см с током 2 А однородное магнитное поле с индукцией 0,1 Тл с силой 0,05 Н.
Вычислить угол между направлением тока и вектором магнитной индукции. 2.При частоте переменного тока 1 кГц и 1 мГц.Определить емкостное сопротивление конденсатора емкость которого 10 мкФ. 3.Понижающий трансформатор со 110 витками во вторичной обмотке понижает напряжение от 22000 В до 110 В. Сколько витков в его первичной обмотке. 4.Конденсатор и катушка соединены последовательно. Индуктивность катушки равна 0,01 Гн. При какой емкости конденсатора ток частотой 1 кГц будет максимальным? -
Выберите правильный вариант ответа.
1. He said that Mary … when he came into the library.
a) is reading b) reads c) was reading
2. My mum said that she … swim when she was a little girl.
a) can b) could c) would
3. They always said that it often … in England in autumn.
a) rains b) rain c) rained
4. The boy said that he … that book some years before.
a) has read b) have read c) had read
5. Granny told us that she … in the garden when the phone rang.
a) is working b) worked c) was working
6. The doctor is a very clever man. His advice … very useful.
a) is b) are c) were
7. His knowledge of the foreign language … very good.
a) is b) are c) were
8. He was excited by the news. … was very important.
a) They b) It c) This
9. Mother asked what he would do … Friday.
a) next b) the following c) last
10. We asked why she would visit them … day.
a) the next b) last c) that
11. The teacher asked the boy why he hadn’t gone to school … Monday.
a) last b) the previous c) the next
12. Mother wanted to know who … the plate the day before.
a) has broken b) had broken c) have broken
13. The policeman asked the man where … then.
a) did he live b) he lived c) has he lived
14. The doctor asked me if I … the medicine that day.
a) have taken b) had taken c) did take
15. Granny asked Peter if he … dairy products.
a) likes b) liked c) like
16. He asked me if I … morning exercises that day.
a) have done b) had done c) has done
17. They always wanted to know what … do to keep fit.
a) should they b) they should c) they must
18. The letter … yesterday.
a) received b) had been received c) was received
19. She thought that the children … in the yard.
a) were playing b) play c) are playing
20. Look at those people. They are … friends.
a) our b) ours c) mine
21. Are … hands warm? … are quite cold.
a) your, Mine b) yours, My c) my, Your
22. I told her … life story and she told me … .
a) mine, hers b) my, hers c) mine, her-
Предмет:
Английский язык -
Автор:
aleenamacias - 5 лет назад
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Ответов:
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Эльман занимается боксом 3 раза в неделю по 2 часа 20 минут. Сколько часов Эльман проведёт на тренировках в течении 4-х недель? 6 стульев, купленных за 75 манат, магазин продаёт за 92 маната. Сколько манат выручит магазин, если продаст 648 стульев? помогите пожалуйста с решением и условием.
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