Ответ по предмету Математика: Помогите пожалуйста Гипотенуза прямоугольного треугольника равна 12. Найдите радиус описанной окружности

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РЕБЯТ СРОЧНО ПОМОЩЬ НУЖНА! ЗАВТРА СДАВАТЬ А Я НИЧЕ НЕ ПОНИМАЮ!!!
используя данные дневника наблюдения за погодой вычислите средние месячные температуры воздуха в вашей местности полученные данные оформите в виде таблицы после заполнения таблицы вычислите среднегодовую температуру воздуха

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Укажите время каждого предложения
1.With whom did you ( discuss) this question yesterday? 2. I (saw) this film this week. I like it very much. 3. When I ( entered) the kitchen, I ( saw) that my mother (was standing) at the table and ( cutting) some cabbage. She (was cooking) dinner. 4. As soon as I ( heard) a cry, I (ran) out of the room and (saw) that a child (was lying) on the ground and ( crying). "What ( happened)? Why are you ( crying)? Have you ( hurt) yourself?" I asked. 5. They (went) to the Hermitage last week. 6. They (have been) to the Hermitage twice this week. 7. Yesterday afternoon he ( came) home, ( had) dinner, (read) an article from the lat-est magazine and ( began) doing his homework. When did your friend ( return) from the South? — She ( returned) yesterday. — Did you ( go) to the Station to meet her? — No, I (was) too busy. Has your brother (returned) from the North? — Yes, he ( came) a few days ago. 10. Have you ( been) to the Crimea? When were you there? — I (was) there in 2005. 11. Where (is) your brother? — He has just ( come) home. He (is taking) a shower in the bathroom now. 12. As soon as I (saw) him, I ( understood) that he (was working) hard. He (was writing) something and (did not notice) anything. 13. When I ( came) home yesterday, the children (were running) and ( singing) merrily. "We (have learnt) a new song!" they cried. 14. When the young man entered) the room, she ( looked) at him in surprise. "What do you ( want) to tell me?" she ( said). "Why have you ( come)?" 15. It (was raining) hard when I ( left) home yesterday, so I ( returned), (to put) on my raincoat and (to) start again. 16. Are you ( working) right now? — Yes, I (am preparing) for the English exams. 17. Have a look! That (is) the Golden Gate Bridge on your left. — Oh, it (is) beautiful. I have just (taken) a picture of it. 18. Where did you ( learn) the news? 19. Have they already (thought) of everything? Have they (bought) a lot of food? — Yes, Mark has just ( ordered) ten bottles of Соке and four kinds of mineral water. He (mentioned) peanuts, but he (did not order) any. He (was thinking) of tea and fancy cakes. The shop (has charged) everything to Mark's credit card. 20. Why are you ( shivering)? — I (am shivering) because I (am) cold. 21. I (have sprained) my ankle again. 22. A world-famous Violinist (is playing) at tonight's concert. 23. The children (were playing) with their train set the whole evening yesterday.

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Помогите!
при скорости в 54 км/ч автомобиль за 2 минуты проходит путь, равный...

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Помогите пожалуйста Гипотенуза прямоугольного треугольника равна 12. Найдите радиус описанной окружности

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