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решите систему уравнений способом сложения {3x-2y=6 6x+2y=30 ПОМОГИТЕ ПЖ ОЧЕНЬ СРОЧНО
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Предмет:
Математика -
Автор:
harrison83 - 5 лет назад
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Ответы 3
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спасибо большое
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Автор:
manuelpierce - 5 лет назад
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0
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Всегда рада помочь)
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Автор:
ramoswyka - 5 лет назад
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0
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3х-2у=66х+2у=30___________+9х+0=369х=36х=46х+2у=306*4+2у=3024+2у=302у=30-242у=6у=3Ответ:(4;3)
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Автор:
rebelfrye - 5 лет назад
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0
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Составьте пожалуйста 3 вопроса к тексту:
Shakira Ripoll was born on February 2, 1977, in Colombia. She was the only daughter of a well-respected jeweller and his wife. In naming the newborn daughter, her mother chose from several names, containing the letter "K". She thought about Karime and Katiuska but finally chose Shakira. It’s an Arabic name which comes from the word "Shukram" meaning "Grace". So Shakira’s full name is translated as "a woman of Grace". When Shakira was a child, her mother discovered that the girl had a gift for learning. Shakira knew the alphabet by the age of eighteen months and at three she knew how to read. By the time she was four, she was ready for school. School was not just a place where little Shakira learnt her arithmetic and geography. There she began to understand such great things as kindness, love, trust, and other human ideals. She realized what real friendship was and how much her family meant to her. Later it helped her to decide what to do with the big money she earned. Shakira loved attention and wished to find a way to get it. She sang a lot for her schoolmates and teachers. However, the music teacher told her that she sounded "like a goat". Shakira wasn’t too upset about it and soon found a more original way to become the centre of attention. It was dancing. It helped her to express herself and become famous in school. What is interesting is that no one had ever taught her to dance.
In school Shakira was disciplined, but absent-minded. She was usually writing lyrics for her songs on the back of her notebooks. However, Shakira was a good student because she was a quick learner and could understand her teachers’ explanations faster than others. As soon as the bell rang after class, Shakira was the first one to run and get in line for the cafeteria. She usually bought a pepsi, a hamburger and something sweet, like a muffin or a piece of cake. She seldom took a packed lunch from home. Though Shakira was a lover of fast food, she had no weight problems, as she loved dancing. When she was eight, Shakira's father lost all his money because his business went bankrupt. For a while Shakira had to stay with her relatives in Los Angeles. When the girl returned, she was shocked to see almost everything that her family had, had been sold. She later said: "In my childish head, this was the end of the world." To show her that things could be worse, her father took her to a local park to see the homeless children. What she saw shocked her deeply and she said to herself: "One day I’m going to help these poor kids when I become a famous singer or dancer". Between the ages of ten and thirteen Shakira was invited to various dance events and became very popular in the area. It was at this time that Shakira met a local theatre producer, who was impressed with her performance and as a result tried to help her career. This woman organized a meeting with the managers of the Sony company. After Shakira sang, they decided to sign a contract for three albums with the talented girl.-
Предмет:
Английский язык -
Автор:
rileyxcbb - 5 лет назад
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Ответов:
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Составьте пожалуйста 3 вопроса к тексту:
"The 1900 House" was a reality television programme in Britain. It took people back a hundred years to the time of Queen Victoria, when there were no computers, mobile phones or the Internet. The idea of the show was to give people an experience of living in the past. A modern family, the Bowler family, spent three months living like people at the beginning of the 20th century. There were the parents (Paul and Joyce) and their four children (three daughters and a son). The cameras recorded them every day. The house didn't have a telephone, a fridge, a TV set or even central heating. The Bowlers wore clothes from 1900 and ate the food that existed inEngland at that time. There wasn't much to choose from. The main dishes on the table were meat and fish, and the day usually started with a cup of tea and porridge. The father of the family, Paul Bowler, still went to work but in an old-fashioned uniform. He couldn't read newspapers or use a computer. The mother, Joyce, became a housewife and stayed home. She did all the cleaning, washing and cooking. The children still went to school, but they changed their clothes on the way to and from school so their classmates wouldn’t know anything about this unusual project. The Bowlers noticed that life at the beginning of the century was much slower. It was rather hard for them to get used to the new speed. For example, it took 28 minutes to boil water and make a cup of tea. And can you imagine cleaning the house without a vacuum cleaner or washing clothes without a washing machine? There wasn't any toothpaste or modern shampoo. Without central heating nobody thought about a warm bath or a shower in the morning. Toothbrushes were made of pig and horse hair. Toothpaste was expensive so most people cleaned their teeth using salt or soda. The children thought it was horrible. 11-year-old Hilary said: "The most difficult thing was finding entertainment. We couldn't go to the cinema or to a café. It was a new experience to be with the family for half a day or more. It was new and hard to be nice to each other all the time. But I really think we all became closer." 17-year-old Kathryn remembered that she couldn't wear any make-up. She had to wear a corset every day and had only three sets of clothes: one to wear every day, the second – to wear while cleaning, and the third was for special events, like celebrations. When the show was over the Bowlers were asked: what did you miss most from the modern world? The father said it was a hot shower. The mother had longed to have a quick cup of tea. The
daughters said it was the music, the hot water, shampoo and "normal sounds like the washing machine" which they missed. For the son it was pizza and the computer. It's interesting that the family was allowed to keep anything they wanted after the project. Joyce took her corset and each of the children took something from the house to remind them of their experience.-
Предмет:
Английский язык -
Автор:
emelia - 5 лет назад
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Ответов:
1 -
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одно из чисел на 17 больше другого а их произведение равно 480.Найдите эти числа
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Предмет:
Алгебра -
Автор:
hernándezcsr0 - 5 лет назад
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Ответов:
1 -
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y=ln cosx четная или нечетная?
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Предмет:
Математика -
Автор:
goonubhy - 5 лет назад
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Ответов:
1 -
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