В 400 г карбида кальция имеется 20 % примесей. Найти объем и массу полученного газа

помогите 11 класс английский язык

9 Choose the correct answer. 1 He is acting as / like he has never seen food before. 2 It seems as / like if it might rain tonight. 3 She looks as / like she had a very tiring day. 4 We used the volleyball as / like a football and played on the pitch. 5 As / Like most people, I prefer to watch science fiction movies at the cinema

3 Complete the sentences using the words in the right form. ring, track and field, court, hoop, goal, net

1 It’s raining, so I don’t think I will meet my friends at the basketball _________. 2 I love watching Olympic _________ events. The ten-thousand-metre race is my favourite. 3 If my team doesn’t score a _________, we will lose the match. 4 The ball didn’t go over the _________ and I lost the tennis match. 5 My friend is very tall. When he plays basketball, he can jump and grab the ___________. 6 All boxers get a little nervous when they step into the _________.

5 Choose the correct answer. 1 At first Jim was nervous about the boxing match. His competitor / opponent seemed very strong. 2 Everyone at the football stadium booed the referee / umpire. 3 All the viewers / spectators at home really enjoyed watching their national team play. 4 Barcelona beat / won Seville in the cup final. 5 Even though I beat / won the game today, my sister is a better tennis player overall.

На втором листе рабочей книги самостоятельно постройте еще 2 графика:

y = |x²+5x-10|, [-10;5], шаг 0,5

и

ln|x| +5, x<=-1

5,x принадлежит (-1;1) , [-3;3] шаг 0,5

ln(x)+5, x>=1