над выполнением заказа ученик работал 8 часов, а мастер выполнил такой же заказ за 6 часов. Сколько деталей составляет зАКАЗ ЕСЛИ МАСТЕР И УЧЕНИК ЗА 1 ЧАС ВМЕСТЕ ИЗГОТОВИЛИ 7 ДЕТАЛТЙ

объясните почему стиральный порошок с биодобавками не рекомендуется использовать при температуре воды выше 40 градуса по целсии

гидроксид натрия+сульфат меди записать в ионном виде. 

карбонат калия+хлорид кальция=

Вычеслить обьем водорода, который выделится при взаимодействии магния с 200г 10% раствора, соляной кислоты! Помоги пожалуйста!

Решите неравенство. (х-3)(5+х)log0.2(х+7)>0, где 0,2 - основание 

Express the same ideas in a different way. Use the words in the word box and follow the example.

EXAMPLE: This letter is quite brief. -This letter is not so long.

Impressiive, cheerful, fussy, modern, up-to-date, willing, light, kindly, tiny, fascinating, filthy, polite.

1) Jessie is quite gloomy today.

2) Pollys new dress is rather dark.

3) Mary was nervous and unhappy yesterday, but today she is a lot calmer.

4) I suddenly understood that this character in the book was unkindly and at times even cruel.

5) The baby has grown up a little. It is a little bigger now.

6) I found yesterdays film rather boring.

7) Next time when you come home from walk I`d like your clothes to be cleaner.

8) All the students in this group are very hardworking, only Bill is a little lazy.

9) I am afraid Bill is also rather rude when he talks to his friends.

10) The Smiths` car is rather old-fashioned but Mr Smith says he likes it.

11) The shops in this street were built over a hundred years ago, it is not surprising they are old and badly-equipped.

12) The last story in this book is quite unimpressive compared to the others.