Найдите площадь кругового сектора, если градусная мера его дуги равно 120 градусов, а радиус круга равен 12 см.

1)Какова масса ортофосфорной кислоты, которую можно получить из 137,8 гр оксида фосфора, содержащей 10 % примесей.

2)Сколько тонн фосфора можно получить из 5 тонн фосфорита, содержащую 40% ортофосфата кальция.

To the following sentences put questions beginning with the words in brackets:

1.His family  moved into Almaty from Semey two years ago.(Who?)

2.She started her business not so long ago.(What?)

3.At the start of her business no one helped her. (Did?)

4.If nothing unusual happens we shall move in the ordinary  way. ( Shall?)

5.After four year primary school he went to secondary. (Where?)

6.Primary and secondary schools  together comprise eleven years of study. (What?) 

7.Education  is compulsary  for all children in the Republic of Kazakhstan. (Is?)

8.A school year lasts 9 months.(How long?)

В детском саду три группы. в младшей на 8 детей меньше чем в двух остальных, а в средней на 14 детей меньше чем в 1 и 3 группах вместе сколько детей в старшей

ПЕРЕВИДИТЕ ПОЖАЛУСТА PEOPLE BEGAN TO MAKE CLOCKS OVER 500 YEARS AGO.THE FIRST CLOCKS HAD ONLY ONE HAND.THE FIRST CLOCKS WERE BIG AND HEAVY. TIME PASSED AND CLOCKS BECAME SMALLER.CLOCKMAKERS WERE ABLE TO MAKE SMALLER PARTS FOR CLOCKS AND THE SIZE WAS GETTING SMALLER. BELLS BECAME A PART OF SOME LARGE CLOCKS IN CITIES AND TOWNS.SOME CLOCKMAKERS PUT CLOCKS IN LARGE TOWERS.THERE ARE MANY IN EUROPE.SOME OF THEM ARE 400 TO 500 YEARS OLD.BIG BEN IN LONDON IS A VERY FAMOUS CLOCK TOWER. MONKS WERE FIRST TO USE ALARM CLOCKS.THEY WOKE UP EARLY TO PRAY.MANY PEOPLE HAVE ALARM CLOCKS TO MAKE THEM UP FOR WORK NOW.MANY CLOCKS TODAY EVEN ALARM CLOCKS ARE ELECTRONIN.