Một chiếc khăn trải bàn hình bình hành có cạnh đáy 36cm, chiều cao bằng 2/3 cạnh đáy. Tính diện tích khăn trải bàn?

Gúp mik với, mik đg cần gấp Nhớ giải thích nữa nhé mn

Lm mk đề này nhoa . Lâu cx đc miễn là hết nhé . Ai lm đủ cả thì mềnh choa ctlhn

Biện pháp nào sau đây không góp phần tăng hiệu suất của máy biến thế? A. Dùng dây dẫn có điện trở suất nhỏ làm dây cuốn biến thế. B. Dùng lõi sắt có điện trở suất nhỏ. C. Dùng lõi sắt gồm nhiều lá mỏng ghép cách điện với nhau. D. Đặt các lá thép song song với mặt phẳng chứa các đường sức từ.

1. People must not leave bicycles in the hall.  Bicycles……………………………………………………………………….. 2. Clement Clarke Moore wrote the poem in 1824.  The poem…………………………………………………………………….. 3. Mr. Pike introduced me to Dr. Felix last year. I………………………………………………………………………………. 4. My father is going to repair my bike tonight.  My bike…………………………………………………………………….. 5. Many people in the world speak English.  English……………………………………………………………………… 6. They must pay the bill before the first of the month. The bill………………………………………………………………………. 7. The students sweep the classroom every day. The classroom…………………………………………………………….. 8. The police will ask you several questions tomorrow. You…………………………………………………………………………. 9. Bell invented the telephone a long time time ago. The telephone…………………………………………………………….. 10. They have decorated their house recently. Their house………………………………………………………………..

1)Viết CTCT và gọi tên thay thế các đồng phân ANKAĐIEN LIÊN HỢP có CTPT C4H6 và C5H8 2)............................................................................ANKIN có CTPT là C5H8 giải chi tiết giùm em ạ em cảm ơn

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Nêu cảm nhận của em về vùng đất Cà Mau bằng một đoạn văn ngắn trong đó có sử dụng phép so sánh?

Có bao nhiêu số tự nhiên lớn hơn 500 và nhỏ hơn 700 có tổng các chữ số là 22 ? ( đáp án luôn nha )

Giúp với tối là nộp r huhu V. Supply the correct tense of the words given in each blanket. 1. Four countries ______________ (visit) by John so far. 2. London ______________ (have) a population of eight million people. 3. The Statue of Liberty in New York is a monument which ______________ (symbolize) freedom. 4. Vietnam’s Independence Day ________________ (celebrate) on September 09th. 5. We ______________ (visit) Sydney Opera House for several times. 6. Some activities ______________ (prepare) to celebrate the lunar new year now. VI. Choose the correct answer A, B, or C to complete each of the sentences. 1.Alaska is perhaps the most …………… state in the USA. It has over three million lakes. A. puzzling B. festive C. amazing 2.The old tradition of first- footing is still practiced today in …………………….. A. Scottish B. Scots C. Scotland 3.In Canada, the serving of coffee at the end of an evening is a signal that it is time for ……….. A. visitors B. tourists C holiday makers 4.The Maori in New Zealand greet each other by ……………………….. their noses. A. punching B. touching C. blowing 5. Australia is composed of seven ………………….. A. nations B. countries C. states 6.There is a red maple leaf on the ………………… of Canada. A. flag B. banner C. money VII. Read the passage and answer these questions below: England is not a large country. No town in England is very far from the sea, and many English families spend their summer holidays at the seaside. There are no high mountains in England, no very long rivers and very large forests. There are many towns in England. No town is very far from another. The English countryside between the towns is like a carpets of many colors. In Spring and summer, the fields, meadows and forests are light green or dark green, and the gardens are green , red, blue, yellow and white with flowers. Questions 1.Is England a large country? .................................................................................................................................................. 2. Where do many English families spend their summer holidays? .................................................................................................................................................. 3. Are there many towns in England? .................................................................................................................................................. 4. What is the English countryside like? .................................................................................................................................................. VIII. Rewrite the sentences below without changing their original meaning. 1. Radioactive pollution is very dangerous. It can cause abnormal growth. [since] ___________________________________________ 2. We did not go to school. It rained heavily . [because] ___________________________________________ 3. I don’t have much money now, but I want to buy a new computer. If _________________________________________ 4. Light pollution happens. There is a change in animals’ living patterns. If _________________________________________ 5. Acid rain is dangerous. Trees’ leaves are damaged. [because of] ___________________________________________