Ответ по предмету Химия: какой объем займет водород, выделившейся при растворении в 0,5 л воды 69 г натрия? какова массовая доля щёлочи в полученном растворе?

Предмет: Алгебра, автор: rdzhimieva

при каких положительных значениях параметра а выполняется неравенство?

6 лет назад

Предмет: Алгебра, автор: keru28

6 лет назад

Предмет: Английский язык, автор: Аноним

Ответить на вопросы после текста!!!Помоги!!!♡

Text I. Bristol's Richest Businessman Kidnapped?
Police are investigating the disappearance of Bristol's richest businessman, Mr. Martin
Roberts
Mr. Roberts was last seen on Friday afternoon, playing golf with business colleagues.
Mr. Reymat, who was on the golf course at the time, said that Mr. Roberts had had an urgent
call and had left the golf course immediately afterwards, at about 5.30. Mr. Reymat also
explained that Mr. Roberts had looked very nervous as he drove off quickly.
Mr. Roberts was first reported missing when he didn't arrive at his country house in
Oxfordshire late on Friday night. His distressed wife had waited for hours before she finally
called the police.
Police spokesman, Detective Inspector Charles Price, told reporters that they hadn't
received any new information about Mr. Roberts' mysterious disappearance since Friday.
He also said that Mr. Roberts might have been kidnapped, in spite of the fact that no
kidnappers have contacted the police.
A nationwide manhurt is under way for the missing businessman.
1. Which happened first?
A) Mr. Reymat explained that Mr. Roberts had left the golf course.
B) The police spoke to reporters.
C) Mr. Roberts' wife called the police.
D) A manhurt was started.
2. Who called Mr. Roberts while he was playing golf?
A) Mr. Reymat.
B) Mr. Roberts' wife.
C) The police
D) We don't know.
3. Mr. Roberts' wife
A) doesn't care where her husband is.
B) spoke to reporters.
C) spoke to the kidnappers.
D) thought that she would see her husband on Friday night.
4. The police ...
A) don't think that Mr. Roberts was kidnapped.
B) are looking for Mr. Roberts.
C) got a note to say that Mr. Roberts had been kidnapped.
D) found Mr. Roberts' car at the golf course.
5. Which sentence is true?
A) Mr. Roberts contacted the police.
B) The police don't know where Mr. Roberts is.
C) Mr. Roberts' wife called the police at 5.30 on Friday afternoon.
D) Mr. Roberts has definitely been kidnapped.

6 лет назад

Предмет: Геометрия, автор: Einstein07

1)В треугольнике ABC угол A=30градусов, угол B=75градусов. Найдите соотношение BC/AC

2)В треугольнике ABC AB=5см, BC=7см. Найдите соотношение синуса угла A на синус угла C.

10 лет назад

Предмет: Геометрия, автор: кштфлышт

медианы треугольника MNK пересекаются в точке O. Через точку O. проведена прямая параллельная стороне MK и пересекающая стороны MN и MK в точкаx AиB соотвественно. Найдите MK если длина отрезка AB равна 12 см

10 лет назад

какой объем займет водород, выделившейся при растворении в 0,5 л воды 69 г натрия? какова массовая доля щёлочи в полученном растворе?

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