Giải các phương trình sau a) (x-1)^3-x(x+1)^2=5x(2-x)-11(x+2) b) (x+1)(x^2-x+1)-2x=x(x-1)(x+1) c) (x-2)^3+(3x-1)(3x+1)=(x+1)^3

“My favorite leisure activity is people watching.” “_______” A: That’s all right. B: OK. That’s very kind of you C: That sounds so weird! D: Sure. It’s very entertaining. 2 Choose the word whose underlined part is pronounced differently from the others. A: found B: out C: sound D: enough 3 Choose the best answer a, b, c or d to complete the sentence. Question 5. How much time do you spend _______ leisure activities? A: on B: for C: with D: in 4 Choose the sentence so that it has similar meaning to the first one. Question 22. She likes to hang out with friends on Saturday evening. A: She’s fancy hanging out with friends on Saturday evening. B: She’s keen in hanging out with friends on Saturday evening. C: She’s interested in hang out with friends on Saturday evening. D: She’s interested in hanging out with friends on Saturday evening. 5 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. Internet addicts find it hard ___________. A: to use the Internet in the morning B: to spend more time on the Internet C: to lie about the time they spent online D: to spend less time on the Internet 6 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. The word ‘it’ in paragraph 2 refers to ___________. A: dream B: computer C: the Internet D: IAS 7 Choose the sentence so that it has similar meaning to the first one. Question 25. DIY skills aren’t as hard to learn as I think. A: DIY skills are easier to learn than I think. B: DIY skills are easier to learn. C: DIY skills are easier to learn as I think. D: I think DIY skills are easier to learn. 8 Choose the best answer a, b, c or d to complete the sentence. Question 7. On YouTube you can find many videos on _______ all aspects of your English. A: improving B: working C: surfing D: taking 9 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. What is the best title of the passage? A: Hooked on the Net B: Impact of Internet on teens C: The advantage of the Internet D: A guide to the Internet 10 Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. Question 11. My mother usually spends her free time looking after her cats. A: looking at B: taking after C: taking over D: taking care of

cho tam giac ABCco AB=AC.ve BD vuong goc voi AC tai D ;CE vuong goc voi AB tai E . goi la giao diem cuA BD va CE . chung minh rang A,BD=CE b, EI=DI

Giải giúp mình với ; giả đúng giúp mình

Giúp em hai cây này với ạ đang gấp lắm ạ

[ Mong mọi ng giúp ak ] 21. yesterday/ I/ at/ in / Nha Trang/ o’clock/ arrived/ 7/ morning/ -> ………………………………………………………………… 22. am/ in/ my/ I/ friend’s/ staying/ house/ -> ……………………………………………. 23. center/ it/ near/ the/ is/ city/ -> …………………………………… 24. seen/ I/ already/ Tri Nhuyen/ have/ aquarium/ places/ and/ interesting/ here/ some. ->…………………………………………………………………………………….. 25. am/ tomorrow/ I/ on/ going/ to/ Cham/ a trip/ Temples/ -> ……………………………………………………………. 26. first/ this/ the/ I/ been/ there/ have/ is/ time/ -> …………………………………………….. 27. I / with/ am/ very/ trip/ pleased/ -> ……………………………………………. 28. will/ i/ be/ June 5 th / on/ home/ Saturday,/ -> ……………………………………………………………. 29. that/ i/ will/ one/ day/ hope/ you/ Nha Trang/ with/ visit/ me/ -> ……………………………………………………………….. 30. I/ looking/ am/ to/ you/ seeing/ soon/ forward/ -> ………………………………………………………… 31. that/ said/ She/ liked/ she/ learning/ with/ English/ you/ -> ………………………………………………………… 32. where/ i/ asked/ me/ She/ came/ from/ -> ………………………………………………… 33. my/ house/ I/ to/ advertise/ want/ for/ selling/ -> …………………………………………………… 34. If/ he/ go/ has/ he/ will/ free time/ swimming/ -> …………………………………………………… 35. We/ qualified/ many/ teachers/ have/ well/ here/ -> …………………………………………………….. 36. What/ do/ foreign/ they/ teach/ besides/ language/ English/ -> …………………………………………………………… 37. English/ is/ always/ Like/ other/ language/ changing/ -> ………………………………………………………….. 38. if/ I/ asked/ was/ it/ an/ international/ college/ -> ……………………………………………………. 39. furniture/ Can/ move/ around/ the/ I/? -> ……………………………………………………. 40. how/ many/ I/ asked/ her/ bedrooms/ were/ there/ ->………………………………………………………. 41. she/ surfing/ most/ free time/ Net/ of/ her/ spends/ the/ -> ……………………………………………………………………. 42. had/ He/ change/ make/ his/ mind/ refused/ decision/ and/ to/ this/ ->………………………………………………………………………. 43. Katy/ like/ reading/ the/ over/ idea/ of/ the/ computer/ doesn’t/ -> ………………………………………………………………….

Giải bất phương trình x(x^2-4)>0

Cho tam giác ABC có AB < AC. Tia phân giác của góc A cắt BC tại D. Qua D kẻ đường thẳng vuông góc với AD cắt AB và AC lần lượt tại M và N a, Chứng minh AM bằng AN b,Qua N kẻ đường thẳng song song với AB cắt BC tại E. Chứng minh BD=DE

Cho 5 gam hỗn hợp al và cu tác dụng đủ với dung dịch HCl được 3,36 lít h2 phần trăm m al ban đầu là

vẽ hộ mik cặp đôi hương mật tựa khói sương nha