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Вопрос по геометрии:
Дано АВСД прямоугольник АС=26 Найти S abcd-
Автор:
jethro
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АС диагональ прямоугольника
S=(1/2)*AC^2*sina
где а это угол между диагоналями...
Данную задачу можно решить только если этот прямоугольник квадрат!!
Еще 4 ненужных тебе вопроса, но это важно для поиска
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Вопрос по химии:
обчисліть масу калій гідроксиду й об'єм води які необхідно взяти для приготування 300г розчину з масовою часткою 30%-
Ответов: 1
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6 лет назад
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Вопрос по математике:
от пристани одновременно в противоположных направлениях отправились два катера через 3 часа расстояние между ними составило 168 км Найди скорость движения второго катера если скорость движения первого была равна 25 км ч. (И обратная задача)-
Ответов: 7
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6 лет назад
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Вопрос по английскому языку:
Card № 11
Complete the following sentences using the appropriate personal or reflexive
pronouns:
1.What‘s the boy‘s name? -----name is Ben Scott. 2. Debbie has got a dog. ------dog is
very lively. 3. The dog is very lively. -------name is Ben. 4. We are at school. -------- school
is very nice. 5. I have got a new laptop. ------- laptop is white. 6. I'm from Chester. Most of
--------friends are from Chester, too. 7. The Guptas have got a restaurant.------- restaurant is
great. 8. The rabbit is white.------- cage is in the garden. 9. You are not English. ---------
name is not an English name. 10. Sandra and Jenny are friends. --------- school is in
Chester.
1. Tom cut -------while he was shaving this morning. 2. We really enjoyed --------very
much. 3. I repaired my bike --------. 4. Why don‘t you clean the windows ---------? 5. Jack
and I met --------at the party five years ago. 6. At Christmas friends often give ---------
presents. 7. They looked at ---------. 8. The film --------wasn‘t very good but I liked the
music. 9. The old woman sat at the park bench talking to --------. 10.Let‘s paint the house --
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Ответов: 1
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6 лет назад
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Вопрос по английскому языку:
Use the appropriate form of Gerund:
1. Excuse me for (to break) your beautiful vase. 2. You never mentioned (to be) to
Greece. 3. She was proud of (to award) the cup of a champion. 4. I don't remember ever (to
meet) your sister. 5. I don't remember (to ask) this question by anybody. 6. The cat was
punished for (to break) the cup. 7. The cat was afraid of (to punish) and hid itself under the
sofa. 8. The machine needs (to clean).1 9. I am quite serious in (to say) that I don't want to
go abroad. 10. He seemed sorry for (to be) inattentive to his child. 11. She confessed to (to
forget) to send the letter. 12. The old man could not stand (to tell) what he should do. 13.
Going to the party was no use: he had no talent for (to dance).14. The Bronze Horseman is
worth (to see).15. After thoroughly (to examine) the student, the professor gave him a
satisfactory mark.
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Ответов: 1
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6 лет назад
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