найдите корни уравнения 2x^2 + 11х - 6 = 0

Протон в однородном магнитном поле с индукцией 0,01 Тл описал окружность радиусом 2 см. Найти скорость  протона.

Сделайте пожалуйста морфемный разбор слов камнями,счищали, пробивающуюся, каменным,обрезывали. СРОЧНО!!!!

Прошу помощи!Преобрауйте,если необходимо,слова,так,чтобы они грамматически и лексически соответствовали содеранию текста

Music in Schools

Primary schools in London are trying out an ambitious plan through which young chil­dren get an introduction to serious music. The idea comes from a group of famous musicians who are concerned about the

[B11]---------_of certain types of classical music. survive

They see the plan as one possible

[B12]-----------_to the problem of declining solve

audiences at classical concerts.

[B13] Their _ is that an interest in argue

classical music should be developed in early childhood.

They reject the idea that children are

[BI4] _________ in serious music or neces­sarily find it boring. interest

The group goes into a school and gives a

[B15] live--------------_ of a short classical piece perform

and then this is followed by an explanation of how the 

instruments work.

[B16] These sessions have proved so---------- success

hat they have now become a regular feature in some schools.