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Russia
математике 1. Решите уравнение \( 2 x^{2}-13 x+11=0 \).
Algebra Dec 25, 2024
\( \left. \begin{array} { l } { x ^ { 2 } + 3 = 2 x ^ { 2 } + 3 } \\ { \lg ( x ^ { 2 } + 3 ) = \lg ( 2 x ^ { 2 } + 3 ) } \\ { \log _ { 0,2 } ( x ^ { 2 } + 3 ) = \log _ { 0,2 } ( x ^ { 2 } + 1 } \\ { 0,4 ^ { 3 x - 3 } = 0,4 ^ { x ^ { 2 } + 6 } } \\ { \sqrt[ 3 ] { 3 x - 9 } = \sqrt[ 3 ] { 7 x + 9 } } \\ { ( 2 ^ { x + 3 } + 3 ) ^ { 6 } = ( 2 ^ { x } + 3 ) ^ { 6 } } \\ { 11 ^ { 3 x - 3 } - 1 , x ^ { 2 } - 6 } \end{array} \right. \)
Algebra Dec 25, 2024
Draw a relaxed and contracted sarcomere (see Textbook, p. 286, Fig. 11.6)
Biology Dec 25, 2024
4. В закрытом баллоне вместимостью 20 л находится арг под давлением 200 кПа. Газ передал окружающей среде 120 Дж количества теплоты, и его температура понизилась ло 200 K . Определите начальную температуру аргона.
Physics Dec 25, 2024
\begin{tabular}{l} Найти область определения функции: \\ \hline+8\( ) \) \\ \( y=\log _{5}\left(x^{2}-7 x+12\right) \) \\ \hline\end{tabular}
Algebra Dec 25, 2024
a) \( \frac{\cos 68^{\circ}-\cos 22^{\circ}}{\sin 68^{\circ}-\sin 22^{\circ}} \)
Trigonometry Dec 25, 2024
За какое событие Николай 1 винил себя всю жизнь?
History Dec 25, 2024
б) \( \frac{\sin 130^{\circ}+\sin 110^{\circ}}{\cos 130^{\circ}+\cos 110^{\circ}} \)
Trigonometry Dec 25, 2024
a) \( \sin \frac{\pi}{5}-\sin \frac{\pi}{10} \) б) \( \sin \frac{\pi}{3}+\sin \frac{\pi}{4} \)
Trigonometry Dec 25, 2024
22.2. а) \( \cos 15^{\circ}+\cos 45^{\circ} \) б) \( \cos 46^{\circ}-\cos 74^{\circ} \)
Trigonometry Dec 25, 2024
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