một xe tải trong ba ngày phải chuyển hết một số hàng hóa.Hai ngày đầu đội xe tải đã chuyển được 13/14 số hàng hóa, biết rằng này thứ hai đội chuyển được 3/7 số hàng hóa và chuyển ít hơn ngày thứ nhất 30 tấn.Hỏi ngày thứ ba đội chuyển bao nhiêu tấn hàng hóa?

Vừa gà vừa chó bó lại cho tròn 36 con 100 chân chẵn Gà? Chó? Chỉ cần ghi đáp án thôi nha ko cần phải giải thích dài dòng đâu xD

Helpppppppppppppppp Bạn nào hoàn thành trước thì mjk sẽ đánh giá 5 sao v 1tim

Làm và giải thích giùm mik nhé. Mik đg cần gấp

Câu 3:(2,0 đ) Một ca nô xuôi dòng từ bến A đến bến B mất 5 giờ, nếu đi ngược dòng từ bến B về bến A mất 7 giờ, trong khi dòng nước chày với vận tốc là 4 km/h. Tính độ dài khoảng cách giữa hai bến A và B. help meeeeeeeeeeeeeeeeeeeeeee

Use the correct form of the words in the boxes to complete the sentences in each group below. You may use some of the words more than once. In some cases, more than one word may be correct Các từ để chọn : explore investigate look for lookup (do) research 1 The police came to ________________________ the murder immediately. 2 I still have________________________ to do for my project on sharks. 3 I must________________________ this word in the dictionary, because I don’t remember what it means. 4 Mum, I’m ________________________ my trainers. Have you seen them? 5 As soon as the five friends got to the cave, they decided to ________________________ it.

3.(x+3) mũ 2-10=17 bai nay cx tim x luon nha giup mik voi mik dang voi

Ở cây cà chua quả tròn là tính trạng trội hoàn toàn quả bầu dục là tính trạng lặn. A-xác định tỉ lệ kiểu hình và kiểu gen ở F1 và F2, khi đem lai 2 cây cà chua thuần chủng quả tròn và quả bầu dục. B- ở đời con thu được kết quả như thế nào khi lấy cây F1 thụ phấn với cây quả tròn.

chứng minh sina.sin(60-a).sin(60+a) = 1/4 . sin3a Mọi người giúp em với em vocie 5 sao ạ . cái 60 kia là 60 độ ạ

II. Complete the text with the correct form of the verbs in the list. This is my favourite singer. He (1) a famous rock star. He (2) in America. He (3) all around the world and (4) in rock concerts. He (5) his songs and(6) his own video dips. In his free time, he (7) staying at home listening to his CDs. At weekends, he usually (8) to expensive restaurants with his friends. He also (9) a lot of books about strange things. I can’t wait to see him perform live. I (10) him so much. III. Choose the most suitable word for each space. What do you like doing best (1) your spare time? My cousin Paul likes going (2) in the country and (3) photos. Sometimes he (4) with his friends, and they (5) at the park or at the beach. They always (6) a good time. His brother Chris isn’t (7) on walking. He spends most of the (8) at home. 1. A. for B. when C. in D. at 2. A. for walks B. walks C. a walk D. to walk 3. A. making B. having C. taking D. doing 4. A. travels B. gets up C. sees D. goes out 5. A. enjoy B. have fun C. hobby D. go 6. A. have B. make C. do D. like 7. A. interested B. out C. decided D. keen 8. A. other B. time C. people D. money IV. Read the article and decide whether the statements are true (T) or false (F). After school Susan goes home to do her model-making. She loves making models. She started about a year ago. She needs about two weeks to make a model. Then she puts it on the shelf in her bedroom. She has about twenty models now. She thinks she will need to get another shelf soon. Last term she tried to start a club for model-making at school but the teachers and other children weren’t interested. She thinks she has a lot of fun anyway. True False 1. Susan makes models when she stays at school. o o 2. She has made her models for about one year. o o 3. It takes her two weeks to make two models. o o 4. She will need another shelf for her models soon. o o 5. Susan tried to start a club for model making and the teachers and other children were interested in it very much. o o ❼. WRITING I. II. Make correct sentences from the words and phrases given. 1. When/ you/ start/ hobby? 2.We/ find/ make/ models/ very interesting/ because/ we/ should/ creative. 3.I/ think/ future/ people/ take up/ more/ outdoor activities. 4. My best friend/ not/ like/ mountain climbing/ because/ he/ afraid/ heights. 5.My sister/ enjoy/ cook/ and/ make/ new dishes/ her own. III. Rewrite the sentences, using the given words. 1. What is the price of this watch? ð How much _____________________________________________? 2. What is the price of these beautiful scarves? ðHow much ______________________________________________? 3. Can you tell me the way to Dong Nai Post office? ðCan you tell me __________________________________________? 4. Can you tell me the way to the station? ðCan you tell me __________________________________________? 5. They are fast typists. ðThey ___________________________________________________ 6. Peter is a hard worker. ðPeter ___________________________________________________ 7. There are no bottles on the shelf. ðThere aren’t _____________________________________________ 8. We have no time to prepare the speech. ðWe don’t have ___________________________________________