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высота равностороннего треугольника равна 15 квадратный корень из 3.найдите его периметр
Ответы 2
Еще вопросы
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Вычислить:
56 в 9 степени+8 в -2 степени;
16 в 1/4 степени*25 в 1/2 степени;
(15) в -1+ 9 в 1/2-
Предмет:
Математика -
Автор:
dannachang - 6 лет назад
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Ответов:
1 -
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Напишите два способа получения :
1) Хлорида алюминия
2) оксида углерода (IV)
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4. Образуйте условные предложения.
1. He is
busy and does not come to see us. If ... . 2. The girl didn't study well last
year and received bad marks. If ... . 3. He broke his bicycle and so he didn't
go to the country. If ... . 4. He
speaks English badly: he has no practice. If ... . 5. I had a bad headache
yesterday, that's why I didn't come to see you. If ... . 6. The ship was
sailing near the coast, that's why it struck a rock. If ... . 7. He was not in
town, therefore he was not present at our meeting. If ... . 8. The pavement was
so slippery that I fell and hurt my leg. If ... . 9. The sea is rough, and we
cannot sail to the island. If ... . 10. They made a fire, and the frightened
wolves ran away. If ... . 11. It is late, and I have to go home. If ... . 12. I
was expecting my friend to come, that's why I couldn't go to the cinema with
you. If ... . 13. He always gets top marks in mathematics because it is his
favourite subject and he works a lot at it. If ... . 14. I didn't translate the
article yesterday because I had no dictionary. If ... . 15. We lost our way
because the night was pitch-dark. If ... . 16. The box was so heavy that I
couldn't carry it. That's why I took a taxi. If ... .
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Предмет:
Английский язык -
Автор:
hildegardaz4cl - 6 лет назад
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Ответов:
1 -
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Напишите пожалуйста люди добрые как это решить.
x+2y+3z=4
4x+3y+3z=1
2x+y+2z=1
Надо решить систему уравнения.
Спасибо огромное тому человеку который это решит.))
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Предмет:
Алгебра -
Автор:
mauricio37 - 6 лет назад
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Ответов:
0 -
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