Предмет: Математика, автор: лиса203

задание 33.............

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Автор ответа: sashapligun
0
26:3 3trqqqeeeeeeeeeeeeeeeeeeeeeeeeeeee
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№12. Вычислите \frac{5^{4}*2^4 }{20^3}
А) \frac{5}{4};
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№14. sin²2x=
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Предмет: Математика, автор: nimurafuruta1
В ответе получил, что таких корней нет, помогите пожалуйста, не потерял ли я чего?

Всё свел к уравнениям:
2cos(x) - 1 =0 (+- 4pi/6 + 2pi*k, k принадлежит Z)
sin(x) - 4 = 0 (нет корней)
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Предмет: Английский язык, автор: wusmenn
Необходимо решить вот эти тесты. Кто знает помогите.

1. You wouldn't believe it. It … repaired after the accident.

A. 'll cost him fifteen thousands of dollars to get his car been
B. cost him fifteen thousand dollars to have his car
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A. have come as a major challenge like a practice or
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5. In the last few years a sharp economic decline … in serious problems for ….

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Предмет: Математика, автор: stel9674
Заполни пропуски такими числами чтобы получились верные записи. 7м = дм, 4дм = см, 2м 6дм = дм,1дм 9см= см,8м+3дм= м дм, 5дм-9см= дм см.
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первая цифра двузначного числа на 4 больше 20 и произведение равно 21 Найдите это двузначное на двузначное число методом системой уравнения
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