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ПОМОГИТЕ ПОЖ. СРОЧНО!!!
Постройте графики функций y=√x i y=2-x. В бланк ответов запишите значения х, при которых значения функции у=√x меньше значения функции у=2-х.-
Предмет:
Алгебра -
Автор:
bryleeweiss - 5 лет назад
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Ответы 2
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Где решение?
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Автор:
scout - 5 лет назад
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0
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Объяснение:
ну построить, я думаю, сама сможешь (тупо берешь любой x и подставляешь его).
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Автор:
verónicamdxc - 5 лет назад
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0
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ЧТЕНИЕ
Прочитайте текст. В заданиях 7-12 обведите номер (1,2 или 3), соответствующий верному варианту ответа.
A Horse and a Dog
Once upon a time there was a horse whose name was Reginald. Every morning he was delivering dairy products. On his way by the post office he usually met his friend Blackie, who was a little black dog.
Reginald didn’t want to be a milkman’s horse. He wanted to be a racehorse and win the Derby. And Blackie had rather short legs. He wanted to be able to run very fast, like a hound.
One afternoon they were sitting in Reginald’s stable. Suddenly Blackie had an idea. “Why do we not eat coal?” he said. “Trains eat coal and run fast.”
The friends thought about this for a long time, and at last Reginald said: “Let’s try it.” So they went down to the room where coal was. They were going to take some coal, when Mrs Marry, the landlady, came in.
“What! You are stealing my coal!” she began to cry, and she picked up a piece of coal and threw it them. Reginald and Blackie ran away. They never run so fast in their lives before. At that very moment the Mayor of the town was looking out of the window. “Oh, that horse can run fast. I’m sure it can win the Derby. And look at the dog! It’s a real hound. I’ll give them each a medal.” And he did.
7
Reginald helped to deliver _________________________ .
1) milk 2) post 3) coal
8
Reginald wanted to _________________________ .
1) be a milkman’s horse 2) run fast as Blackie 3) win at horse racing
9
Reginald and Blackie decided to eat coal _______________________ .
1) to run fast 2) to be healthy 3) to become trains
10
Mrs Marry was very _______________________ with friends.
1) pleased 2) angry 3) proud
11
Reginald and Blackie ran very fast because they _________________________ .
1) were afraid 2) were happy 3) didn’t like the coal
12
The Mayor of the town gave the friends medals because they ___________________ .
1) helped Mrs Marry 2) stole coal 3) were very fast-
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