определите скорость электронов в эл-лучевой трубке если анодное напряжение равно 6 кВ

решить 2sin22* 30'  * cos 22*30'

В место __ нужно поставить артикль a, an или the.

   (1)__ language achieves a genuinely global status when it develops

(2)__ special role that is recognised in (3) __ every country.

   Consider (4)__ astounding facts about (5) __ English as a global language. Most estimates agree that there are some 375 million native speakers, a further 375 million second-language speakers and one billion learners of (6) __ English language at large in (7)__ world today. What's more, 90 per cent of (8) __ world's computers linked to (9) Internet are based in English-speaking countries.

   English is (10)__ main language of (11)__ books, newspapers, airports, air-traffic control, air space travel, international business and academic conferences, science and technology, diplomacy, sport, international

competitions, pop music and advertising. Over two-thirds of (12)__ world's scientists read in (13)__ English.

   English has official or special status in at least 75 countries with (14)__ total population of over two billion. One out of four of (15)__ world's population speak English to some level of (16)__ competence.

Напишите цифру и артикль.

ВНИМАНИЕ СДЕЛАТЬ НУЖНО ДО ЗАВТРА!!! (завтра 12/04)

Купили 1,2 кг. конфет и 0,8 кг печенья.За всю покупку заплатили 5,96 руб.Известно что 1 кг. конфет дороже 1 кг. печенья на 1,3 руб.Сколько стоит 1 кг. конфет?