Cho phương trình đường thẳng (d): y =ax+b a) Tìm giá trị của a và b để đường thẳng (d) đi qua điểm A( -2;3) và song song với đường thẳng y=3x + 2 b) Tìm giá trị của a và b để đyờng thẳng (d) đi qua điểm B( 1;2) và tiếp xúc với Parabol (P) y=2x ²🙆

tìm số có ba chữ số khi biết rằng số đó gấp 5 lần tích của hàng chục và đơn vị mình đang cần gấp

Cho dãy số sau: 0,1 ; 0,5; 0,9 ; 1,3 ; 1,7 ; 2,1;…………. a) Tìm số hạng thứ 100 của dãy số trên. b) Tính tổng của 100 số hạng đầu tiên của dãy số. CẦN NHANH VÀ LÀM RÕ RÀNG

Mark the letter A, B, C or D on the answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following sentences. 1. a. laugh b. caught c. naughty d. taught 2. a. solar b. design c. website d. sample Choose the word (A, B, C, D) whose main stress is placed differently from that of the others 3. a. permanent b. power c. permission d. carpet 4. a. photography b. minority c. heroic d. amateur Giúp mình vài câu, giải thích cho mình nhé THANK Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. 5. The town of Gouda is famous_____its cheese. a. on b. for c. from d. to 6. He was happy to be_______ friends again. a. among b. in c. near d. off 7. Were you brought ______ in the city or in the country? a. off b. forward c. up d. over 8. The teacher made Jane ______ up and answer his question. a. stand b. standing c. to stand d. stands 9. You’d better leave for the airport now_______ there’s a lot of traffic on the way. a. in conclusion b. in order c. in fact d. in case 10. Don’t waste your breath________ with him. a. argue b. arguing c. for arguing d. to argue 11. I turn on the radio_____listen to the news. a. so that b. in order c. so as d. in order to 12. I can speak ______ words of French, but I can’t write it. a. little b. a little c. few d. a few 13. If I had time, I ______ to the countryside with you this weekend. a. will go b. would go c. went d. would have gone Choose the most suitable response to complete each of the following exchanges. 14. “Could you pass me the newspaper?” – “__________.” a. Sure. Here you are. b. Of course not c. Do it yourself d. Sorry, I’m busy 15. “Thank you very much for a lovely party.” - “_____________.” a. Cheers b. Thanks c. You are welcome d. Have a good day Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions. 16. Two weeks ago, when I was looking for a new pair of jeans in the night market, I ran into Mai. a. called loudly b. met very quickly c. saw by chance d. arranged to meet 17. We went away on holiday last week, but it rained day in day out. a. every two days b. every single day c. every second day d. every other day Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) or phrase that is OPPOSITE in meaning to the underlined word(s) in each of the following questions. 18. There have been significant changes in women’s lives since the women’s liberation movement. a. unimportant b. controlled c. political d. disagreeable 19. In England, schooling is mandatory for all children from the age of 5 to 16. a. obligation b. advisory c. compulsory d. voluntary Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that needs correction in each of the following questions. 20. I’ve been (A) looking forward to see (B) you again since (C) we last met (D). 21. Her novel, that (A) was published (B) last month, is (C) one of the best-sellers (D). 22. We spent (A) an interested (B) holiday in (C) Ha Long Bay last summer (D). II. WRITING Complete the second sentence so that it has a similar meaning to the first. 33. He won’t find a seat unless he’s got a ticket. a. He has got a ticket, and so will find a seat. b. He can’t find a seat although he has a ticket. c. He will be able to get a ticket if he finds a seat. d. He will only get a seat if he has a ticket. 34. ‘You oughtn’t to drive fast.’ Jack’s mother told him. a. Jack’s mother begged him not to drive fast. b. Jack’s mother made him not to drive fast. c. Jack’s mother advised him not to drive fast. d. Jack’s mother suggested not driving fast.

cần làm rõ ràng Dẫn 5,6 lít hỗn hợp khí CH4 và C2H2 ( ở đktc) vào bình đựng dung dịch brom dư. Sau phản ứng thấy có 48g Br2 đã tham gia phản ứng . câu hỏi :::Nếu lấy toàn bộ 5,6 lít hỗn hợp khí trên đốt cháy thì cần bao nhiêu lít không khí (ở đktc) . Biết oxi chiếm 1/5 thể tích không khí.

Giúp mình với lm câu 10 và chữa những câu trên nhé, sẽ vote 5*

Mn ơi giúp mình với mình cần gấp Cho ∆ABC cả 3 đều nhọn nội tiếp đường tròn (O).Kẻ tia phân giác AD.Từ B vẽ tia Bx cắt tia AD tại M a.Chứng minh:Đường tròn (O) ngoại tiếp ∆MBC đi qua A b.Chứng minh hệ thứ MB^2=MA.MD c.Tiếp tuyến tại A của đường tròn (O) cắt đường thẳng BC tại E.Chứng minh ∆ABE cân

1. He often eats a ....of grapes for dessert after lunch. A. stick B. bunch C. pinch D. handful 2. Remember to.... the sliced beef in a little oil for half an hour before stir-frying. A. grate B. simmer C. marinate D. stew 3. Make sure you... a hotel before you come to our island, especially in the summer. A. book B. keep C. put D. buy 4. Please turn off... air - conditioner when you leave... room. A. the - the B. a - the C. a - a D. the - a 5. Captain Cook discovered Australia on a... to the Pacific. A. vacation B. travel C. cruise D. voyage

GIÚP MÌNH VỚI MÌNH ĐANG CẦN GẤP!!!!

Read the text below and think of the word which best fits each space. Use only one word in each space. LEARNING VOCABULARY Do you (1)________ hours trying to memorize lists of words? Do you look (2) ________ in a dictionary the meaning of every word you don't know? If so, you may not be doing yourself a favor. Research suggests that the (3) ________ way of building your vocabulary is by seeing words (4) ________ context and the obvious way to do that is to read as often as you (5) ________. Regular exposure to written English, say 15 minutes every day, will be much (6) ________ useful than working really hard (7) ________ the evening once a week. This is (8) ________ the brain remembers information best when (9) ________ is associated with other information. The more you enjoy reading the more you will read. Pop songs (as long as they are in English) and TV programs will help in the same way. Who says that learning can’t (10) ________ fun?