tim x a)3.\x\+3^3=3.2^2 b)64.2^x-1=2^2018 c)27-2.5^x-2=5^8:5^6 d)(x-5):7=2018^0+3 e)165-(63:\x\+3).5=45 (x ∈ z) g)2^x+1.4^x-24=1000 \x\la gia tri tuyet doi cua x cac ban giup minh voi

mấy anh chị chỉ giúp em câu 1,3,4,5 mong mấy anh chị giúp ak, em thank trước

Giúp e đúng tầm 17/20 ạ. Em cảm ơn nhiều I. Find the word which has a different sound in the part underlined 1. A. perform B. end C. festival D. elephant 2. A. cake B. celebrate C. racing D. candle II. Find which word which has a different stress pattern from the others. 3. A. costume B. canoe C. highlight D. season 4. A. violet B. serious C. seasonal D. hilarious III. Find which word does not belong to each group. 5. A. joyful B. funny C. prefer D. happy 6. A. festival B. local C. traditional D. cultural IV. Choose the best answer (A, B, C or D). 7. In La Tomatina, people get to throw tomatoes at ___________. A. together B. once C. themselves D. each other 8. Which do you think are _____________ festivals? A. music B. harvester C. artistic D. season 9. A lot of dancers go to Rio de Janeiro to _____________ the Rio Carnival. A. follow B. take C. attend D. play 10. Villagers voluntarily contribute money and other things to ________ the festival. A. remember B. celebrate C. set D. open 11. La Tomatina ____________ on the last Wednesday of August every year. A. hold B. held C. is held D. be held 12. The festival ________________ every year at the end of August. A. occur B. takes place C. takes D. held 13. The biggest prize of the Cannes Film Festival is the Palme d’Or, which is given ______ the best film. A. with B. to C. of D. for V. Identify the mistake in each sentence 14. Although our grandfather was old but he could help us. A B C D 15. Friends advised her to stop to do the housework because of her old age. A B C D VI. Read the passage and answer each question. Circle A, B, or C. The Shichi-go-san Festival Shichi-go-san is a Japanese festival. The Japanese celebrate it on 15 November every year. This is because people believe it is a day of good luck for all Japanese people. Shichi-go-san means “seven-five-three” and the festival is for children who are seven, five and three. The Japanese think these ages are very important years. Japanese parents celebrate Shichi-go-san as their boys turn three and five and their girls turn three and seven. At the age of seven, a girl wears obi - the piece of cloth worn round the waist over the kimono - for the first time. At the age of five, a boy wears his first hakama pants – the pants that Samurai wore in the past - in public. The age of three is important for the Japanese too.They think it is time children can let their hair grow. On this day, children often dress up like the adults in the ancient times and pretend to be grown up themselves. 16. Who will probably celebrate the Shichi-go-san Festival? A. a seven-year-old boy B. a three-year-old boy C. a five-year-old girl 17. Who will NOT celebrate the Shichi-go-san Festival? A. a five-year-old girl B. a five-year-old boy C. a seven-year-old girl 18. Who wears obi for the first time? A. a five year-old girl B. a seven-year-old boy C. a seven-year-old girl 19. At what age can a Japanese child let the hair grow? A. five years old B. three years old C. seven years old 20. Why do the Japanese celebrate it on 15 November? A. Because they think the day brings luck to them. B. Because the day brings luck to them. C. Because children dress up like the adults in the ancient times on the day.

Cho x và y là hai đại lượng tỉ lệ thuận với nhau và khi x=3 và y=-7 a) tìm hệ số tỉ lệ k của y đối với x; b) biểu điễn y theo x c) tính giá trị của y khi x=9 , x=18.

Nghiệm tổng quát của phương trình 0x+4y=10 là: A.{x=2,5 và y €R} B.{x€R và y=2,5} C.{x=0 và y=2,5} D.{x€R và y=0}

Cuộc đời của Ta-go nỗi đau chồng chất nỗi đau. Em hãy làm sáng tỏ điều đó. Giups mik vs mik đang cần gấp lắm

Thêm 16.5ml dung dịch hcl 20% có tỉ khối d=1.106g/ml vào dung dịch chứa 51g AgNO3. Cần bao nhiêu dung dịch NaCl nồng độ 13% ( có tỉ khối d=1.150g/ml ) để kết tủa hoàn toàn AgNO3 còn lại trong dung dịch

các bạn giúp mik ạ! Cảm ơn bạn trước <3

Hoàn thành các câu sau theo thì hiện tại hoàn thành : Help Meeeee!!!!! 1. We (not / work)________________ today. 2. I (buy) ________________ a new car. 3. I (not / plan) ________________ my holiday yet. 4. Which country (be / you) ________________ ? 5. She (write) ________________ four letters. 6. He (not / see) ________________ her for a long time. 7. (be / you) ________________ at company? 8. The film (not / start) ________________ 9. (speak / she) ________________ to her boss? 10. No, she (have / not) ________________ the time yet. 11. Loan (send)________________me an e-mail. 12. Linh and Ngọc ( visit)________________the museum. 13. We (be)________________at the pet shop. 14. He(already/pack) ________________his rucksack. (pack) 15. Tuấn ( have)________________an accident. 16. I (do)________________the shopping for my mother. 17. I (just/ clean)______________my room. 18. Long ( paint)_______________his room. 19. Thư and Tú ( go)________________to a concert. 20. My boyfriend ( give up)________________smoking. 21. The train drivers (go)……… on strike and they stopped working at twelve o’clock. 22. How long…….. (you/know)………. each other? 23. ……….(You/ take)………… many photographs? 24. (She/ eat)………………. at the Royal Hotel yet? 25. He (live) ………….here all his life.. 26. Is this the second time he (lose)……………. his job? 27. How many bottles………… the milkman (leave) ………….? He (leave) ……….. six. 28. I (buy)…………. a new carpet. Come and look at it. 29. She (write)………….. three poems about her fatherland. 30. We (finish) ……………………three English courses.

Giúp mình với, mình đang cần gấp, cảm ơn