Giúp mk với Câu 1 ạ ( ở cột 4 giống cột 2)

Cho hình thang ABCD có diện tích là 128 cm2 và đáy AB = 3/4 CD . nối A với C , B với D , chúng cắt nhau tại O . tính diện tích hình tam giác DOC

3-4x(25-2x)=8x^2+x-300 giup minh may cau nha

Giải giúp em làm trách nghiệm Cần gấp

32. – How much does your family pay for the bill of cable TV? - __________________________________________ A. About 75 thousand dong per month. B. From twice to four times a week. C. Very cheap. We bought it two months ago. D. It's vey lively. It costs 50.000 dong 33. – What programmesdo you like watching best? - _________________________________________ A. Well... I prefer listening to the news on the radio. B. I like game shows. They're very interesting. C. It's on Channel V. I live English songs. D. Oh, I really watch TV at home. VI. Read the passage and choose the correct answers (A, B, C or D) to fill in the blanks. Television has become an intergal part of my family's daily life. We watch TV every day, together or alone. (34) ...................., there is only one television set in our house. We can't watch what we want at the same time so all members of my family agree that we take turns to decide what we will watch. I get (35) ................cartoons after school at 6. I usually watch it alone or (36) ..................my sister as my parents are busy preparing dinner. During dinner, my whole family (37) ...................... the news and the weather forcast because my dad likes keeping up with current events. After that, my sister often watches the music channel. When I go to bed at 9.30, my mom turns on the TV and catches up on her soap (38) ................... 34. A. Therefore B. However C. Although D. Because 35. A. watch B. to watch C. watches D. watched 36. A. to B. and C. with D. without 37. A. watch B. is watching C. has watched D. watched 38. A. opera B. music C. play D. film VII. Read the passage and choose the correct answers. Road to Olympia Mount is a weekly television quiz show. It first began in 1999 and now has become one of the longest running television programmes on national channel VTV3. Contestants, who are high school students from different parts of Viet Nam, compete in a quiz game consisting of four rounds. Each round features questions from a wide variety of subjects such as Maths, English, Science and general knowledge..... The contestant with the highest point at the end of the final round is the winner. Prize for the winner includes money and scholarship. As Road to Olympia Mount is a popular competition in Viet Nam, students all over the country want to take part in the show and represent their schools and provinces. 39.Which of the following would be the best title of the passage? A. A Lasting Television Quiz Show. B. National Channel VTV3. C. Vietnamese High School Students. D. How to Run a Television Programme. 40 . Which of the following word has the closest meaning with the word "contestant"? A. Examiner B. Employee C. Winner D. Competitor 41. What must the contestants do to have a chance of winning the quiz show? A. They must give the right answers as many as they can. B. They must earn money as much as they can. C. They must defeat other contestants as many as they can D. They must choose the subjects as many as they can 42. Which of the following is TRUE about Road to Olympia Mount? A. It is the longest television show on national channel VTV3. B. Students can represent their schools and provinces when they join the show. C. It awards all the contestants money and scholarship. D. English is the main subject of the show. 43. Which is the following is NOT mentioned in the passage? A. The first competition of Road to Olympia Mount was in the 20 th century. B. Road to Olympia Mount is a popular competition for Vietnamese high school students. C. Road to Olympia Mount usually invites foreigners as guests of honour. D. Contestants must go to the final round with the highest point to win the show. VIII. Choose the underlined word or phrase (marked A, B, C or D) in each sentence that needs correcting. 44. I like watching animals programmes because they make me to understand the wild life a lot. A B C D 45. Although she is a young comedy, her performances are very exciting and funny. A B C D 46. The questions in this game show will help children widen their knowledge for oceans and A B C D deserts in the world. 47. He's good at acting because he'd like to become a famous actor in the future. A B C D 48. The MC is very handsome and clever, so his speaking English isn't good. A B C D 49. How many of the main actor of the film appear in this events?- There are three of them. A B C D 50. How is the newsreader like?- He's very intelligent and independent.

Trình bày bộ máy cai trị của Hà Hán ở nước ta?

câu 1 a)có ý kiến rằng cho rằng "truyện thạch sanh kết thúc có hậu"em có tán thành với ý kiến đó ko?vì sao?tìm chi tiết trong truyện để chứng minh b)cách kết thúc,tác giả dân gian muốn thể hiện điều gì?

Bài 20: Cho hai điểm A và B ở cùng phía với đường thẳng xy. Vẽ AH và Bk cùng vuông góc với xy tại H và K, biết AH=BK. a) So sánh các tam giác AHK và BKH b) Gọi O là giao điểm của AK và BH. Chứng minh tam giác OHK cân; AK=BH

Vật B khi ở treo trên lực kế và nhúng vào trong dầu thì số chỉ lực kế là 3,6 N. Biết lực đẩy Ác si mét tác dụng vào vật là 0,8 N. Tính khối lượng của vật.

(2x+3^2)+(2x-3^2)-2(2x+3)(2x-3)