решите пожалуйста)))) 300-(6,56-3,568+193) - №23346560

решите пожалуйста))))
300-(6,56-3,568+193)
- Предмет:
  Математика
- Автор:
  alfonso4gnc
- 5 лет назад

Ответы 1

спасибо)
- Автор:
  booneruiz
- 5 лет назад
- 0
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Переведите пожалуйста, без помощи онлайн переводчика.

1. Fire alarms help warn people about fire danger.
2. Sprinklers and drenches are fixed fire protection installations.
3. This fire alarm system meets all the modern requirements.
4. Hazardous materials are usually kept far from a fire source.
5. The substance will be heated to its ignition point during the experiment.
6. Three men were injured in a massive fire of the 20- storeyed building.
7. New sensitive detectors are recommended for the protection of the high-value equipment.
8. He was recognized as a firesetter.
9. The access to the seat of the fire was hindered by the collapse of the walls and the roof.
10. Firemen of the 19th century were called Johnies.
11. The first automatic electric fire alarm was invented in 1890 by Fransis Robbins Upton.
12. Commercial smoke detectors are installed in 93% of US homes and 85% of UK homes.
13. In small theatres a safety curtain is not usually required.
14. By 1883only about 10 factories in the US were protected by the Parmelee sprinklers.
15. The invention of a fire hydrant is generally credited to Frederick Graff, Chief Engineer of the Philadelphia Water Work in 1800.
16. Fire departments are organized in a system of administration, services, training and operations.
17. Class B fires are controlled with application of fire suppressants.
18. Class C fires are effectively controlled by removing the oxygen.
19. In the extinguishment of a fire the burning substance has to be cooled below its ignition temperature.
20. At last firemen were allowed to open a building.
- Предмет:
  Английский язык
- Автор:
  weavergwfj
- 5 лет назад
- Ответов:
  
  1
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Сделать предложение в настоящем,прошедшем и будущем времине the leactures on mathematics were attended by all the students
- Предмет:
  Английский язык
- Автор:
  marleneroy
- 5 лет назад
- Ответов:
  
  0
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Спростіть вираз та обчисліть його значення:
1) 0,5* (1,6х-6,4у)-2,4(1,5х+у)
якщо х=3; у=-4,5
- Предмет:
  Математика
- Автор:
  gina
- 5 лет назад
- Ответов:
  
  1
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Укажите одного исторического деятеля вашего земляка (Жизнь которого была связано с вашим регионом или населённом пунктом)
- Предмет:
  История
- Автор:
  kaylynnroth
- 5 лет назад
- Ответов:
  
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