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Помогите пожалуйста очень надо
какой одночлен в выражении 16а^2-2,4аб+* надо записать вместо * что б получился полный квадрат двучлена ?-
Предмет:
Математика -
Автор:
avery75 - 6 лет назад
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Ответы 1
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По формуле:
Квадрат разности =>2× 4а × хb = 2,4ab8x = 2,4x = 0,3
ОТВЕТ: 0,09b²
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Автор:
horton - 6 лет назад
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25. Glastonbury Festival
Glastonbury Festival is the largest open air music and arts festival in the world. It became an example which other festivals followed. Of course, Glastonbury is best known for modern music, but its programme also includes dance, comedy, theatre, circus and other arts.
The festival organiser, Michael Eavis, was a common farmer. In 1970 he visited an open air concert which greatly impressed him. So he decided to organise a big festival outdoors in the same year. He knew, it wouldn’t bring any money, but it didn’t matter. At the first festival there were more than one thousand people. Each of them paid £1 for the ticket. The price also included free milk from the farm. Later on, the festival took place almost every year and grew in size and audience.
The festival takes place in southwest England on a farm. It's a beautiful and mystical place called the "Valleyof Avalon". It is surrounded with a lot of legends, symbols, myths, and religious traditions dating back many hundreds of years. Legends say that here King Arthur's sword was made and the king himself was buried there. No wonder that the main stage of the festival, Pyramid Stage, has the form of a pyramid. Many believe that this is a very powerful structure, which gets energy from the stars and gives it to people.
In many ways, Glastonbury is like a mix of different festivals, which take place in the countryside and last for a weekend. Each area of the Festival has its own character, its own fans and its own special attractions. For example, dance lovers go to the "Dance Village". There is also a big cinema area, "Theatre and Circus". Children can have fun in the "Kids’ Field". Some people spend the whole weekend in their favourite area. However, most of them prefer walking about and trying lots of different things.
Most people who stay at Glastonbury Festival live in tents. There are lots of different camping areas, each one with its own atmosphere. You can choose where to stay: in a quiet place or a lively one. There are also places for families and disabled people. Anyway, you should remember to bring a tent with you. Of course, it's possible to rent one, but it's quite expensive.
Glastonbury Festival supports Greenpeace and has a number of programmes. There are hundreds of rubbish bins on the territory. All cans, glass, paper, electrical and electronic equipment, wood and waste are separated and recycled. Visitors are asked to clean after themselves and not to leave rubbish. The Festival supports those who come by public transport or by bicycle, not by car.
If you're thinking about visiting Glastonbury, you should book tickets in advance. Today an average ticket is about £200 for three days which is quite expensive. Nevertheless the tickets are sold out in two or three hours. So be quick to catch them. There are usually more people wishing to get to the festival than tickets. Registration for the 2013 festival began in June 2011.
1. Glastonbury festival presents different kinds of art.
2. Michael Eavis started the festival to earn money.
3. Nowadays Glastonbury festivals are held in King’s Arthur museum.
4. Famous musicians and singers take part in Glastonbury festival.
5. Most guests stay in the hotels during the festival.
6. Glastonbury Festival is environmentally-friendly.
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True false not stated
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‘Comic Relief’ was started in 1985 by the writer Richard Curtis and the comedian Lenny Henry. At that time, people in Ethiopia were suffering from an awful hunger and something had to be done. The idea was simple. Richard and Lenny decided to gather a group of much-loved British comedians to give public performances. And in this way they would collect money to help people in desperate need. They also hoped to let people know about poverty in Africa. Richard and Lenny strongly believe that laughter is the best weapon to fight tragedy, poverty and injustice. That was how ‘Comic Relief’ was born.
One of the main events organised by ‘Comic Relief’ is Red Nose Day. It takes place every two years in the spring, though many people think that this day should be held annually. The first Red Nose Day was held on 5 February 1988 and since then they have been held on the second or third Friday in March.
The event is widely celebrated in the UK and many people consider it to be a type of unofficial national holiday. The symbol of the day is the red nose which you can find in various supermarkets and charity shops. The thing is that red noses are not sold and you cannot buy them, but you can leave a small sum of money (a donation) and just take one. The exact sum of the donation is not fixed. You can leave as much as you want – it's an act of charity.
Since 1985 there have been all kinds of noses: plastic, soft, boring common ones, there were noses that looked like faces, noses that made noises, noses that changed colour when they got hot… This year it's a dinosaur theme, which means noses are shaped like small creatures from pre-history.
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In the evening of Red Nose Day a ‘telethon' takes place on the BBC channels. This is like a televised marathon that shows a selection of the events of the day, and lots of short comic performances and reports of how the money will be spent. It starts in the evening and goes through into the early hours of the morning.
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1. The organisation ‘Comic Relief’ was established to help poor people in Africa.
2. Nowadays ‘Comic Relief’ has become an international organisation.
3. Red Nose Day is held every year in spring.
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Автор:
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знайдіть суму двадцяти перших членів арифметичної прогресії якща а3=14 а10=29
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Предмет:
Математика -
Автор:
winston67 - 6 лет назад
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