Решите пожалуйста!!! (первый решать не надо так он решён)

Решите пожалуйста!!! (первый решать не надо так он решён)
- Предмет:
  Алгебра
- Автор:
  seamuse4da
- 6 лет назад

Ответы 3

спасибо!)
- Автор:
  izaiahqndi
- 6 лет назад
- 0
наверное вот так. как решать 7 не поняла(
- Автор:
  fancy
- 6 лет назад
- 0
26x²=54x²=54:6x²=9x=-3 U x=33-3(x+4)≥-2x+4≤2/3x≤2/3-4x≤-3 1/3x∈(-∞;-3 1/3]43x²+6x-9=0x²+2x-3=0D=4+12=16x1=(-2-4)/2=-3 U x2=(-2+4)/2=15 $x^{-21}:x^{101}=x^{-21-101}=x^{-122}$ 6 $x^{16}*x^{-21}/x^{17}=x^{16-21-17}=x^{-22}=1/x^{22}$ 75x²-10x+1=0D=100-20=80√D=4√5x1=(10-4√5)/10=1-0,4√5x2=1+0,4√582√7-3√(4*7)+2√(9*7)=2√7-3*2√7+2*3√7=2√7-6√7+6√7=2√7
- Автор:
  salas
- 6 лет назад
- 0
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Помогите пожалуйста до утра надо!
Complete the sentences

1. A: Did you like the movie "The Reader "
B: I don't know. I (see, never) __ that movie.

2. Sam (arrive) __ in Kiev a week ago.

3. My best friend and I (know) __ each other for over fifty years. We still get together once a week.

4. Mark is a fantastic writer. He (write) __ ten very creative short stories in the last year. One day, he'll be as famous as Shevchenko.

5. I (have, not) _ this much fun since I (be) _ a kid.

6. Things (change) _ a great deal at Rothen, Inc. When we first (start) _ working here three years ago, the company (have, only) _ six employees. Since then, we (expand) _ to include more than 2000 full-time workers.

7. I (tell) _ him to stay on the path while he was hiking, but he (wander) _ off into the forest and (be) __ bitten by a fly.

8. Listen Liza, I don't care if you (miss) _ the bus this morning. You (be) _ late to work too many times. You are fired!

9. Sergey is from Vyshgorod, which is hundreds of miles from the coast, so he (see, never) __ the ocean. He should come with us to Miami.

10. How sad! Dmitriy (dream) _ of going to California before he died, but he didn't make it. He (see, never) _ the ocean.

11. In the last hundred years, traveling (become) _ much easier and very comfortable. In the 19th century, it (take) _ two or three months to cross North America by covered wagon. The trip (be) _ very rough and often dangerous. Things (change) _ a great deal in the last hundred and fifty years. Now you can fly from New York to Los Angeles in a matter of hours.

12. Anton, I can't believe how much you (change) _ since the last time I (see) _ you. You (grow) __ at least a foot!

13. This tree (be) _ planted by the settlers who (found) _ our city over four hundred years ago.

14. This mountain (be, never) _ climbed by anyone. Several mountaineers (try) _ to reach the top, but nobody (succeed, ever) _. The climb is extremely difficult and many people (die) _ trying to reach the summit.

15. I (visit, never) _ Africa, but I (travel) _ to South America several times. The last time I (go) _ to South America, I (visit) _ Brazil and Peru. I (spend) _ two weeks in the Amazon, (hike) _ for a week near Machu Picchu, and (fly) __ over the Nazca Lines.
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Решите пожалуйста!!! (первый решать не надо так он решён)

Ответы 3

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