Предмет: Алгебра, автор: Юляська109809

Из урны , содержащей 12 белых , 5 черных и 3 оранжевых шара , случайно выпал какой-то шар .Какова вероятность того, что этот шар не был черным?

Ответы

Автор ответа: Sanechka1

Всего у нас получается 20 шаров.
5 шаров черных, следовательно, 20-5=15
15 это благоприятные случаи
15/20=0,75

Похожие вопросы

Предмет: История, автор: filonichmasha

1.Какие из перечисленных лиц были современниками?
А)Ярослав Мудрый и Иван Калита
Б)Дмитрий Донской и Сергей радонежский
В)Александр Невский и летописец Нестор
Г)Иван грозный И хан Батый
2.Величайший Русский иконописец...Его творения полны удивительной нравственной чистоты, доброты, умиротворения. Его творчество стало образцом для многих поколений русских художников. Это был
А)Аристотель Фиораванти
Б)Андрей Рублев
В)Пьетро Солари
Г)Алевиз Новаый
3.За время своего правления Василий I присоединил к Москве
а)Нижегородское и муромское княжества
б)Смоленское и Черниговское княжества
в)Новгородские и Псковские земли
г)Рязанское и Полоцкое княжества
4.Сергей Радонежский основал
а)Саввино-Сторожевский монастырь
б)Андроников Монастырь
в)Троицкий монастырь
г)Кирилло-Белозерский монастырь

7 лет назад

Предмет: Английский язык, автор: svetalabodina

V. Choose the correct response.
1. Whose birthday is in winter? A. A quarter past one.
2. When’s your birthday? B. Saturday!
3. What’s the date today? C. It’s 19th October.
4. What’s the time, please? D. It’s on 21st March.
5. What’s your favourite day of the week? E. I’m thirteen.
6. Where do you want the lamp? F. On the coffee table, please.
7. How old are you? G. It’s John’s.

7 лет назад

Предмет: Английский язык, автор: denisenkoegor

Раздел 2 (задания по чтению)

Прочитайте тексты и установите соответствие между текстами A-G и заголовками 1-8. Запишите свои ответы в таблицу, Используйте каждую цифру только один раз. В задании есть один лишний заголовок.

5. Not as popular any more

1. The early days

2. Playing at home and away

3. Two countries, one prize

4. A puzzling pastime

6. A colonial history

7. Cricket and the media

8. The basic rules

A. To a large part of the world, the English national sport of cricket is almost impossible to understand It's a game that, to outsiders, looks like a slow, lazy activity which can, amazingly, last for as long as five days. However, in places where the sport is played, such as Australia and India, cricket has millionsof fans who get very excited about it.

B. Cricket is a game of athletic ability, and also of strategy - a battle between bowler and batsman A bowler aims a hard, red ball at a target - the batsman's wicket - and the batsman uses a wooden bat to protect the wicket. The batsman may be out' in various ways, such as if the ball hits the wicket, or another player in the bowler's team catches the ball. At the same time, the batsman tries to hit the ball far enough to score runs.

C. Cricket probably started as a children's game, and the first written mention of the sport is in a court cass from 1598. The game gained popularity in the 18th century. By the end of that century, the Marylebone Cricket Club had been formed, and established the Laws of Cricket. Their famous cricket ground, Lord's, is still seen as the home of cricket today.

D. As the British Empire grew, the game was taken to Britain's new colonies. All of the countries where cricket is very popular today - India, Australia, New Zealand, the West Indies and South Africa - used to be colonies of Britain. The top cricket-playing nations play each other in international games known

as "Tests'.

E. Every winter the England cricket team go abroad to play in Test matches against another cricket-playing nation. They usually play a series of One Day Internationals and 20/20 games, which are shorter forms ofthe game, as well as several five day Tests. In the summer, the England team will play a visiting team at various grounds around England,

F. The most important Test matches for the England team are the Ashes series, played against Englands great rivals, Australia. The Ashes were first played in 1882. England and Australia take it in turns to host the series, and the home team is always under great pressure to win it.

G. For those who couldn't attend cricket Test matches in the past, a popular way to follow the game was by listening to commentary on the radio, Nowadays, of course, fans can watch games on TV, or even online on their computers.

Ответ:

Тексты

B

Заг Заголовки

7 лет назад

Предмет: Химия, автор: oksana356

основными являются оба оксида, формулы которых:а)NO и FeO, б)Al2O3 и K2O, в)CO2 и CaO,г)MgO и Na2O.

10 лет назад

Предмет: Биология, автор: НАПИШКА

1)сосуды идущие к сердцу
2)сосуды идущие от сердца

10 лет назад