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зайчик134
зайчик134
19.01.2023 15:36 •  Алгебра

Какие целые значения принимает х, если
3) 4 < 1/3х< 5
5) -3.1 < х ≤ 4
6) 12 < 5х < 21 ​

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Ответ:
Кириджа114
Кириджа114
08.01.2020 06:12

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:
melnikmaryana
melnikmaryana
14.02.2020 15:40

7

Объяснение:

Найти значение выражения: (у²-6у+9)/(у²-9) ∶ (10у-30)/(у²+3у) при у=70.

(у²-6у+9)/(у²-9) ∶ (10у-30)/(у²+3у)=

В числителе первой дроби развёрнут квадрат разности, свернуть, в знаменателе разность квадратов, развернуть.  

В числителе второй дроби вынести 10 за скобки, в знаменателе вынести у за скобки:  

=(у-3)²/[(у-3)(у+3)] : [10(у-3)]/[у(у+3)]=

Чтобы разделить дробь на дробь, нужно числитель первой дроби умножить на знаменатель второй, а знаменатель первой умножить на числитель второй.

=[(у-3)(у-3)у(у+3)] : [(у-3)(у+3)10(у-3)]=

сокращение (у-3) и (у-3) на (у-3) 2 раза, (у+3) и (у+3) на (у+3):

=у/10=70/10=7

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