Предмет: Алгебра, автор: AhmedovaDiana121

ДАЮ 77 БАЛОВ Только пожалуйста помогите правильно

Приложения:

Ḱặрặṃềӆьҟӑ: А какой номер?
AhmedovaDiana121: Оба

Ответы

Автор ответа: Ḱặрặṃềӆьҟӑ
0
2.33 -
1) 3а-(7+2а) = 3а-7-2а = а-7
2) 5b^2-9-(4b^2-b+5) = 5b^2-9-4b^2+b-5 = b^2+b-13
3) 4x+2-(x+1) = 4x+2-x-1 = 3x+1
4) 3m^2+m-(1-m+3m^2) = 3m^2+m-1+m-3m^2 = 2m-1
5) 2a-3b-(-b-a) = 2a-3b+b+a = 3a-2b
6) a^2+a+1-(a^2-a+1) = a^2+a+1-a^2+a-1 = 2a

Ḱặрặṃềӆьҟӑ: 2.34 -
Ḱặрặṃềӆьҟӑ: 3x^2-4x+5+x^2-4x-3 = 4x^2-8x+2
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Transform the following sentences from Active to Passive using the Impersonal and Personal:

1. People think that the bank robbers have left the country.
It __________________________________________________________
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It _________________________________________________________
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3. People know that Michael Schumacher is an excellent racing driver.
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It _________________________________________________________
A reporter___________________________________________________

5. They say that Julia Roberts is one of the richest female stars in the world.
It ___________________________________________________________
Julia Roberts___________________________________________________

6. People say that she has put on weight.
It ____________________________________________________________
She___________________________________________________________

7. They say the problem of pollution is getting more serious.
It ____________________________________________________________
The problem of pollution __________________________________________

8. People say that the new spy film is really good.
It _____________________________________________________________
The new spy film ________________________________________________

9. They think that dinosaurs lived on Earth 65 million years ago.
It ____________________________________________________________
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