Решите уравнение 25/3 х^2-3=0 - №23789354

Решите уравнение 25/3 х^2-3=0
- Предмет:
  Алгебра
- Автор:
  destineevalencia
- 5 лет назад

Ответы 1

$\frac{25}{3}x^3-3=0\\\\ \frac{25}{3}x^2=3\\\\x^2= \frac{3*3}{25}\\\\x^2= \frac{9}{25}\\\\x_{1,2}=б \frac{3}{5}$ Ответ: -3/5; 3/5
- Автор:
  rocky2iz8
- 5 лет назад
- 0
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Все варианты. Физика 8 класс.
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переведите пожалуйста текст
Once there lived an old man and an old woman, his wife.
They had no children.
The old man had a pet – a bird.
It was a little grey bird.
The man loved it dearly.
He took good care of it.
He gave it food and water every morning and every evening.
One day the old man was going to the shop to buy food.
He said to his wife: “ I’ll go to the shop to buy bread, salt, butter, spaghetti and sugar.
Please, take good care of the bird!
Give it food and water in the morning and in the evening!”
“OK” said his wife.
“I will.”
It was very cold.
The old man put on his warm trousers and boots, a sweater, an overcoat, a warm cap and went away.
The woman didn’t give the bird food or water in the morning.
She didn’t give the bird anything to eat or to drink in the evening.
The bird was very hungry and thirsty.
Suddenly the bird saw some bread on the table.
It ate some bread.
When the woman saw the bird eating the bread, she took the bird and threw it out of the window.
When the old man came home, he couldn’t see the bird.
“ Where is my bird?”
he asked his wife.
“ Oh.
Where is my little bird?
Where is my dear little friend?”
“I don’t know”, said his wife.
The old man went to the forest to look for his bird.
He walked, and walked, and walked.
He was very cold.
But he didn’t go back home – he was looking for his dear friend.
At last he saw his bird in a tree!
He was so happy!
He asked the bird to come back home, but the bird didn’t want to.
The bird said to the old man: “ Thank you very much.
You took good care of me.
But I will not go back home.
I don’t like your wife.”
Then the bird put two baskets – one large and the other small – near the old man and said: “ Take the basket which you like best and go back home.”
The old man thanked the bird, took the small basket and went home.
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They opened the basket and saw that it was full of gold.
The old man told his wife that the gold was the bird’s present.
“You are not clever!
I’m cleverer than you!
Tell me where your bird is!
I’ll go to see her.
But I’ll not take a small basket, I’ll take a large one.”
And the old woman run to the forest.
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The bird was under a tree.

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The woman took the small basket, too.
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