Докажите,что для любого х справедливо неравенство cos(10+x)sinx>sin(10+x)cosx. "Мы всю голову поломали, разные ответы получаются...."

Бородино-Почему рассказ адресуется молодому солдату?

От пункта А до пункта В 140 км. Из пункта А выехал автобус со скоростью 53 км/ч. На каком расстоянии от пункта В будет атобус через два часа?

Переведите на русский язык, обращая внимание на сложное подлежащее. БЕЗ ПЕРЕВОДЧИКА ПОЖАЛУЙСТА ПОМОГИТЕ

1. This work seems to be taking too much time. 2. The operation seemed to be a complicated one. 3. Money just doesn’t happen to interest me. 4. In the middle of the lecture Dr Sommerville happened to pause and look out of the window. 5. From the very first mention of Long John, I was afraid that he might turn out to be the very one-legged sailor whom I had watched for so long at the inn. 6. Clyde seemed to have been thinking of no one else but Sondra since their last meeting. 7. Clyde appeared to have forgot­ten of his promise to spend his spare evenings with Roberta. 8. She appeared to be an excellent actress. 9. One day a Hare happened to meet a Tortoise. 10. The Tortoise seemed to be moving very slowly. 11.The Hare turned out to be the loser of the race. 12.The apparatus seemed to be in excellent condi­tion.

длина стадиона 15 м,а ширина на 3 м короче. На расстоянии 4 м от стадиона находится беговая дорожка.Найдите ее периметр