Giải phương trình : `sqrt{2x-3}-sqrt{x}=2x-6`

Lúc 6h, 1 xe đạp đi từ A -> vs vận tốc 15km/h. Đến 8h, 1 xe khác đi xe đạp từ B đi về A vs vận tốc 18 km/.h. Hai người gặp nhau lúc mấy giờ ? Biết quãng đường AB dài 129 km. Giúp mik với ak !!!!

Mọi người giúp mình 3 bài này với.

Exercise 3. Turn into reported speech, using the verbs in brackets. 1. He said to her, “Come to the party. You’ll enjoy it” (persuade)  …………………………………………………………………………………………………………………. 2. He said to me, “I’ll lend you some money if you like” (offer)  …………………………………………………………………………………………………………………. 3. He said to us, “Why don’t you have a holiday in my country cottage?” (invite)  …………………………………………………………………………………………………………………. 4. “All right. I’ll help you,” Tom said to Joe. (agree)  …………………………………………………………………………………………………………………. 5. “Whatever you do, don’t walk on the grass” the safeguard said to the tourists. (warn)  …………………………………………………………………………………………………………………. 6. “You must pay for the damage you’ve done,” she said. (make)  …………………………………………………………………………………………………………………. 7. “I haven’t done anything wrong,” Tom said. (deny)  …………………………………………………………………………………………………………………. 8. “No, I won’t talk to the lawyer,” Tom said. (refuse)  …………………………………………………………………………………………………………………. 9. “Yes, I did drive too fast through the town,” she said. (admit)  …………………………………………………………………………………………………………………. 10. “You damage my sweater, Tom,” said Ben. (accuse)  …………………………………………………………………………………………………………………. 11. “Stop speeding or you will get a ticket,” said the traffic warden to the driver. (warn)  …………………………………………………………………………………………………………………. 12. “Please do go to the movies with me tonight,” said Aunt Fancy. (persuade)  …………………………………………………………………………………………………………………. 13. “Why don’t we work and keep ourselves from starving?” said Mike. (suggest)  …………………………………………………………………………………………………………………. 14. “Go on holiday when the weather gets warmer,” she told him. (advise)  …………………………………………………………………………………………………………………. 15. “Keep out of this room at all time,” she said to them. (warn)  ………………………………………………………………………………………………………………….

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giúp mình với ai xong trước mình vote cho 5 sao

`P=(sqrt {x}-1)/(2sqrt{x}-6)` Tìm `x in Z` để `P in Z` Giúp ạ.

Exercise 2. Rewrite the following sentences in reported speech with Gerund 41. “You didn’t pay attention to what I said,” the teacher said to him The teacher accused ......................................................................................................................................... 42. “I hear you passed your exams. Congratulations!” Mark said to us. Mark congratulated .......................................................................................................................................... 43. “It was nice of you to visit me. Thank you,” Miss White said to Jack. Miss White thanked ......................................................................................................................................... 44. “I’ve always wanted to be rich” Bob said. Bob dreamed .................................................................................................................................................... 45. “Why don’t we go to the beach tonight for a change?” said Henry. Henry suggested ............................................................................................................................................... 46. “You failed to save my husband’s life,” she said to the doctors. She blamed ....................................................................................................................................................... 47. “Let me pay for the meal,” said Ben. Ben insisted ...................................................................................................................................................... 48. “Yes. I’ve spent too much money doing the shopping,” she said. She admitted ..................................................................................................................................................... 49. “Well done, Tom. You won the game,” said the teacher. The teacher congratulated ................................................................................................................................ 50. “Beware of this bad road! It’s very dangerous to drive on it!” He said to us. He warned ........................................................................................................................................................ 51. “I didn’t tell the teacher your mistake,” Joseph said to Martin. Joseph denied ................................................................................................................................................... 52. “You got me into trouble with this man,” Kevin said to Elizabeth. Kevin blamed ................................................................................................................................................... 53. “You lied to me, Julia,” Max said. Max accused ..................................................................................................................................................... 54. “Forgive me. I didn’t mean to make you angry, Sarah,” Lewis said. Lewis apologized ........................................................................................................................................... 55. “We must be given every detail of this case,” they said. They insisted .................................................................................................................................................... 56. “I’m afraid I’ve lost your letter, ” Michael said to Barbara. Michael admitted ............................................................................................................................................. 57. “Don’t drink this water because it is very polluted, ” Mitchell said to us. Mitchell warned ............................................................................................................................................... 58. “Why don’t we go sailing this weekend?” Samuel said. Samuel suggested ............................................................................................................................................. 59. “It’s not true. I didn’t sell this information, ” Stephen said. Stephen denied ................................................................................................................................................. 60. “I’m sorry that I was rude to you yesterday, Helen,” said Robert. Robert apologized to .............................................................................................................................

Giúp em 2 câu thể tích vs, làm tự luận giúp em ạ

1. The launch of the first liquid –fueled rocket in 1926 …………….by flight historians ………………as significant as the Wright Brothers‟ flight. A. has considered –having been B. was considered being C. is considered –to be D. has been considered –has been 2. I‟m afraid John will get drunk at the party no matter what his wife ……………..to prevent it . A. would do B. were doing C. does D. will do 3. “any news from vicky?” “yes. She ………….tomorrow on the 9:15 train” a. arrives b. will have arrived c. arriving d. will have been arriving 4. “Do you know it‟s Hai‟s birthday party today?” -“yes. He …………….a party tonight.” A. has B. is to have C. is having D. will have 5. Tom …………….things round the house, which is annoying” A. always leaves B. has always left C. is leaving D. is always leaving