Предмет: Алгебра, автор: gagarinaalina77

50 БАЛЛОВ,СРОЧНО!!!
2(x В степени ) = x в квадрате – 2x


paha580: что до знака =
paha580: 2 в какой степени
gagarinaalina77: Просто 2х
gagarinaalina77: 2^х=x^2-2x
paha580: ок
paha580: точно правильно написали?
gagarinaalina77: Да
paha580: 0,72
gagarinaalina77: решение?
paha580: -0,338

Ответы

Автор ответа: paha580
1

Ответ:

2x=x^2-2x

4x=x^2

x^2=4x

x=4

Объяснение:


gagarinaalina77: 2^х=x^2-2x
paha580: 0.338
paha580: пока только подбором
paha580: с минусом
gagarinaalina77: Спасибо большое!
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9. They have offered him a job.

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Ex.5 Open the brackets using Active or Passive Voice.



1. When I came to this town three years ago, the bridge _____________________________ (still/ build).


2. He was sure his mistake _________________________________ (never/discover).


3. Close the door, the baby __________________________________ (wash).


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5. When she entered the classroom, the last student ________________________________
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6. Hopefully, everything _______________________________ (arrange) by the end of the day.


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8. A lot of new houses ____________________________ (build) in our town this year.


9. The road ________________________________ (widen) for the last few weeks.


10. There was somebody walking behind us. We _________________________________ (follow).


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12. I didn’t realize our conversation ____________________________________ (record), otherwise I wouldn’t have been so bold.


13. When we got to the stadium, we ________________________ (find) that the game _____________________________ (cancel).


14. Once the letter ________________________________ (deliver), I’ll let you know.


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16. Nothing _____________________________ (see) of Pauline since her car ______________________________ (find) abandoned near Newberry.


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