Волна распространяется со скоростью 500 м\с. Определите длину волны, если период равен 5 м\с.

В прямоугольной трапеции меньшее основание равно 3 см,большая боковая сторона равна 4 см,а один из углов трапеции равен 150 градусам. Найдите Площадь трапеции.

помогите пожалуйста Сравните климат Алиски и Лабрадора, расположенном в одном климатическом поясе.Объясните сходства или различия в климате сравниваемых территорий.Оцените климатические условия для жизни и хозяйства деятельности человека. Прошу помогите.

НА расстоянии 2 м девочка делает 6 шагов. Сколько таких же шагов она  сделает ,пройдя 10м? 100м?

Прочитайте предложения. Выберите один изпредложение вари¬антов ответа. A1. The twins started to quarrel, each accusing... of being responsible for the mistake. 1) another 2) other 3) the other 4) others A2. Channel four is going to devote almost the entire day tomorrow to programmes which were first broadcast in .... 1) fifties 2) fifty's 3) the fifties 4) fiftieth A3. You'll have to draw the chart... than that. 1)more accurately 2)more accurate 3)accurate 4)accurately A4. ... peace treaty to mark the end of... war is usually signed in... neutral country. 1) A, a, a 2) The,-, the 3) A, the, - 4)-, the, the A5. ... Niagara Falls is a famous American waterfall on ... Niagara River and actually consists of two waterfalls separated by ... Goat Island. 1) -, the, - 2) The, -, the 3) The, -, - 4) -, the, the A6. I agree to ... certain extent that seeing ... TV advertisement suggests your feeling ... need to buy something. 1) the, -, the 2)-, a,- 3)-, the, - 4) a, a, the A7. It wasn't common ... people to get a holiday ... work ... Christmas Day in the past. 1) to, off, at 2) for, from, on 3) to, of, on 4) for, at, at A8. We'll be satisfied ... a respectable result ... tomorrow's match ... Nigeria and Ireland. 1)with, in, between 2)for, of, among 3)to, with, against 4)with, on, with A9. I am writing ... reply ... your advertisement... secretaries to work in your central offices. 1)on, for, of 2)to, to, on 3)in, to, for 4)with, for, about А10. I felt really let... when he didn't turn our date. 1)out, up, at 2)down, in, to 3)out, on, for 4)down, up, for