Предмет: Алгебра, автор: twerk228228

40 баллов задание на фото​

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Автор ответа: ужнеужели
2

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во вложении

Забыл про геометрический смысл Он в том, что

Производная в точке x равна угловому коэффициенту касательной к графику функции y = f(x) в этой точке,  где f(x) это правая часть ваших равенств.

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twerk228228: спс
ужнеужели: удачи
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Предмет: Английский язык, автор: viktrtaick2014
Прочитайте текст. Определите, какие из приведённых утвер­ждений А7—А14 соответствуют содержанию текста (1— True), какие не соответствуют (2 — False) и о чём в тексте не сказано, то есть на основании текста нельзя дать ни положительного, ни отрицательного ответа (3 — Not stated).
Mr. Parker liked the Hotel Pino d'Oro at once. Unlike other hotels in Majorca, it was small and peaceful. It stood on the edge of the sea and the view was breathtaking.
At a quarter to ten, Mr. Parker went out onto a small terrace. There were four tables there. At the nearest sat a family of father and mother and two elderly daughters — Germans. At the corner of the terrace, sat what were clearly an English mother and son. The woman was about fifty-five and the young man was about twenty-five. They made little jokes together and seemed to be on very good terms.
As they talked, her eye met that of Mr. Parker and he felt that he had been recognized as English.
In the afternoon, Mr. Parker, Mrs. Chester and her son Basil were having coffee together and chatting. ' ,
Mr. Parker found Basil Chester a very pleasant young man. He called Mr. Parker 'sir' and listened politely to what the older man said. Mrs. Chester talked about flowers and the growing of them, of how expensive France had become, and the difficulty of getting good afternoon tea.
When the young man rose from his seat and said that he was going out, Mr. Parker noticed a slight tremor on his mother's lips. But she immediately took control of herself and talked pleasantly on the above-mentioned topics.
Little by little she began to talk of Basil — of how well he had done at school, of how everyone liked him, of how proud his father would have been of the boy had he lived. 'Of course I always urge him to be with young people, but he seems to prefer being with me.'
'Oh, but there are so many young men here!'
At that, he noticed, Mrs. Chester stiffened.
On the following day Basil said to Mr. Parker
'I'm awfully glad you turned up here, sir. My mother likes to have a talk with you in the evenings. As a matter of fact I've got some friends here, but I don't think my mother approves of them. She is very old-fashioned. Even girls in trousers shock her!'
'I see,' said Mr. Parker.
That evening, after coffee, Mrs. Chester said to Mr. Parker, 'Will you come into the little salon, Mr. Parker. There's something I want to tell you.'
As the door of the little salon closed behind them, she sat down and burst into tears. 'My boy! You must save him, Mr. Parker. We must save him. It's breaking my heart! This girl is dreadful. She drinks, she swears, she wears no clothes to speak of.'
'Is the young lady, by any chance, the one who had tea with you yesterday?'
'You saw her? Terrible! He wants to marry this girl — Betty Gregg — they're engaged.'
'It's gone as far as that?'
'Yes, Mr. Parker, you must do something. You must get my boy out of this disastrous marriage! His whole life will be ruined.'(By A. Christie)
A7 The Hotel Pino d'Oro looked like many other hotels in Majorca.
1) True 2) False 3) Not stated
А8 A single glance was enough for Mrs. Chester to guess Mr. Parker was an Englishman.
l)True 2) False 3) Not stated
A9 Basil Chester was a well-educated young man.
l)True 2) False 3) Not stated
A10| Mrs. Chester became nervous when Basil left her and Mr. Parker while they were having coffee.
l)True 2) False 3) Not silted
All | Mrs. Chester's husband died when Basil was a little boy.
l)True 2) False 3) Not stated
A12| Basil did not like the friendship between his mother and Mr. Parker.
l)True 2) False 3) Not stated
A13| Mrs. Chester worried that her son spent so little time with young men.
l)True 2) False 3) Not stated
A14| Mrs. Chester believed that Mr. Parker would be able to prevent Basil's marriage.
1) True 2) False 3) Not stated
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