УмничкаKris
15.04.2022 03:43

Бензобак джипа и москвича и сделать из них один большой бензобак, то он полностью наполниться за 6 часов 18 минут, а бензобак одного джипа наполняется за 9 часов. За сколько часов наполняет бензобак москвича?

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Ответ:
1DiamonDragon1
17.02.2022 19:48

Объяснение:

WRITING Choose ONE of the topics and write. Topic 1: You are a charitable volunteer in your city and always give a hand to those who are in need: clean the apartments of the disabled people; bring food to animal refuges to feed homeless animals; organise campaigns to raise money and collect toys and clothes for the local orphanages. Your new idea is to write a formal letter to the local mayor to ask him/her for any help he/she can provide to help your charity organisation. Include in your letter the following information: • The title of your charity organisation: • What you have done/are doing aiready; • How you would like the mayor to help your charity organisation. Use appropriate style and examples in your letter.WRITING Choose ONE of the topics and write. Topic 1: You are a charitable volunteer in your city and always give a hand to those who are in need: clean the apartments of the disabled people; bring food to animal refuges to feed homeless animals; organise campaigns to raise money and collect toys and clothes for the local orphanages. Your new idea is to write a formal letter to the local mayor to ask him/her for any help he/she can provide to help your charity organisation. Include in your letter the following information: • The title of your charity organisation: • What you have done/are doing aiready; • How you would like the mayor to help your charity organisation. Use appropriate style and examples in your letter.WRITING Choose ONE of the topics and write. Topic 1: You are a charitable volunteer in your city and always give a hand to those who are in need: clean the apartments of the disabled people; bring food to animal refuges to feed homeless animals; organise campaigns to raise money and collect toys and clothes for the local orphanages. Your new idea is to write a formal letter to the local mayor to ask him/her for any help he/she can provide to help your charity organisation. Include in your letter the following information: • The title of your charity organisation: • What you have done/are doing aiready; • How you would like the mayor to help your charity organisation. Use appropriate style and examples in your letter.WRITING Choose ONE of the topics and write. Topic 1: You are a charitable volunteer in your city and always give a hand to those who are in need: clean the apartments of the disabled people; bring food to animal refuges to feed homeless animals; organise campaigns to raise money and collect toys and clothes for the local orphanages. Your new idea is to write a formal letter to the local mayor to ask him/her for any help he/she can provide to help your charity organisation. Include in your letter the following information: • The title of your charity organisation: • What you have done/are doing aiready; • How you would like the mayor to help your charity organisation. Use appropriate style and examples in your letter.WRITING Choose ONE of the topics and write. Topic 1: You are a charitable volunteer in your city and always give a hand to those who are in need: clean the apartments of the disabled people; bring food to animal refuges to feed homeless animals; organise campaigns to raise money and collect toys and clothes for the local orphanages. Your new idea is to write a formal letter to the local mayor to ask him/her for any help he/she can provide to help your charity organisation. Include in your letter the following information: • The title of your charity organisation: • What you have done/are doing aiready; • How you would like the mayor to help your charity organisation. Use appropriate style and examples in your letter.

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Ответ:
M10041999
12.11.2021 06:16
Мы видим, что это формула разности квадратов, можно ее разложить по формуле:  х² - 4у² = 5
 
              (х -2у) · (х+2у) = 5

5   у нас число простое. Будем искать  пары целых чисел, которые нам подойдут . Тогда рассмотрим все варианты,когда получится ответ 5, но будем использовать при подстановке только целые числа. 
Если   х = 3 и  у = 1, то 
3² - 4· 1² = 5

Потом, это пара чисел    х = 3  и  у = -1
3² - 4 (-1)² = 5

Еще одна пара  чисел     х = -3  и   у = 1
(-3)² -4 *(1)² = 5 

И последняя  пара  чисел   х = -3  и у =  - 1
(-3)² - 4 * (-1)² = 5

Больше целочисленных пар мы не найдем. Поэтому ответ будет таков,

 (3; 1), (3; -1); (-3; 1); (-3; -1)

Найдите все пары целых чисел, удовлетворяющие уравнению
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