tòa độ giao điểm của đồ thị hai hàm số y=x^2 và y=3x-2

Cho hình chữ nhật ABCD ( AB < BC ). Gọi M là điểm trên cạnh BC sao cho CM = CD. Từ M kẻ đường thẳng song song với CD cắt AD tại N; trên tia đối của tia MN ta lấy điểm E sao cho ME = MB. Chứng minh AC  DE. Giúp mình với!!( vẽ thêm hình nha) mình cảm ơn

V. Choose the best answer (A, B, C or D). 1. You need to be __________ to follow eggshell carving because it may take two weeks to complete one shell. A. fit B. patient C. careful D. interested 2. My sister is very keen on swimming, and she goes swimming three __________ a week. A. time B. a time C. times D. timings 3. If you choose sewing as your hobby, you will __________ you own clothes. A. make B. get C. do D. take 4. We often read the instructions carefully in order to make ______ of the things we like best. A. models B. copies C. uses D. meanings 5. What does your father do __________ his free time? A. in B. at C. while D. on 6. My brother doesn’t like ice-skating because he thinks it is __________ . A. dangerous B. danger C. in danger D. endangered 7. I think a hobby will always give you __________ and help you __________. A. pleased – relaxing C. pleasure – relaxed B. pleased – relax D. pleasure – relax 8. My sister’s hobby is sewing, and she can get the sewing patterns from the_____ magazines. A. fashion B. sports C. science D. cooking 9. You can share your stamps __________ other collectors __________ a stamp club. A. with – at B. with – in C. to – in D. to – at 10. If your hobby is greeting card making, you can give your __________ to your friends as presents. A. money B. hobby C. products D. greetings 11. I think this hobby doesn’t cost you much, and __________ you need is time. A. all B. some C. all of D. most 12. My family enjoys __________ because we can sell vegetables and flowers__________ money A. garden – to B. gardening – for C. garden – of D. gardening – with 13. Nowadays people __________ hours sitting in front of the computers. A. set B. spend C. take D. last 14. I think you should take up swimming __________ it is suitable for your health condition. A. because B. but C. although D. so 15. There are many __________ why it is important to have a hobby. A. facts B. details C. reasons D. answers 16. I join a photography club and all the members love reasons a lot of beautiful photos. A. make B. take C. making D. taking 17. Will you __________ making models in the future. A. find B. take up C. look for D. pick up 18. A hobby help you connect with __________ people. A. the other B. another C. other D. others 19. I love my sister’s paintings because she is very __________ in using colours. A. care B. careless C. creative D. imagine 20. Do you think that hobby is __________ and boring? A. danger B. easy C. interesting D. difficult 21. We should play sports or do exercise in order to stay in __________. A. look B. health C. fit D. shape 22. The Japanese eat a lot of fish instead of meat ______ they stay more healthy. A. because B. so C. although D. but 23. I forgot to wear a sun hat today and i got a __________. A. earache B. backache C. headache D. stomachache 24. We need to spend less time __________ computer games. A. play B. to play C. playing D. to playing 25. When you have a temperature, you should drink more water and rest…… A. more B. most C. less D. all 26. Rob eats a lot of fast food and he __________ on a lot of weight. A. takes B. spends C. puts D. bring 27. When you have flu, you may have a cough and a __________ nose. A. running B. runny C. noisy D. flowing 28. Do more exercises __________ eat more fruits and vegetables. A. and B. or C. but D. so 29. Watching too much tv is not good __________ you or your eyes. A. at B. for C. with D. to 30. After working on a computers for long hours, you should __________ your eyes and relax. A. wake B. rest C. sleep D. sleep in 31. She __________ blood twenty times so far. A. donates B. has donated C. is donating D. to donate 32. Volunteers can do general ______ such as clean-up projects or home repair. A. things B. labor C. jobs D. activities 33. We came to the remote village and ______meals for homeless children. A. cook B. offered C. do D. made 34. He __________ lectures to foreign tourists about traditional food and games recently. A. gives B. gave C. have given D. has given 35. You should think of __________ the volunteer activities in your community. A. taking in B. making C. participating D. taking part in 36. Have you ever __________ to Sapa? A. seen B. been C. visited D. gone 37. Traditional volunteer activities include __________ money for people in need, cooking and giving food. A. getting B. rising C. raising D. taking 38. They have decided to clean up the neighborhood _____it is full of rubbish. A. so B. but C. because D. although 39. How many novels __________ Charles Dickens __________? A. does – write B. did – write C. did written D. have – written 40. You can help young children by __________ them to do homework before or after school. A. teaching B. doing C. helping D. offering

bạn nào giả được mik vote cho 5 sao

Câu 9: Cho tam giác ABC có AB = 6 cm, AC = 8 cm, BC = 10 cm. a) Chứng minh tam giác ABC vuông tại A. b) Tính góc B, góc C và đường cao AH của tam giác ABC. c) Tính bán kính r của đường tròn (O) nội tiếp tam giác ABC.

Find the ford has a differetsound in the parte underlined 1.a the B.there C.think D.they 2.A.carth B.feather Ctheater Dthaks 3Awhen Bwhere Cdetective Dbest 4 Aclumsy Bcute Cjust D but 5A thirty B them Cboth Dtheme

Câu 2 : nhà Trần chia nước ta thành bao nhiêu lộ ? Đứng đầu mỗi lộ là ai ?

Question 1: A Scottish word for ''lake'' is.... A.loch B.monument C.castle D.brigde Question 2: An unique way of pronounciation in an area /country is.. A.dialect B.accent C.tone D.sound Question 3: We ( watch) TV a lot so far. A.watched B.are watching C.have watched D.watch Question 4: Autralia has the biggest ...in the world. A.natural beauty B.games C.house D.cattle station Question 5: The plane ( take) off at 5: 00 at Noi Bai Airport. A.takes B.will take C.take D.is taking Question 6: Legend is a NOUN. A.False B.True Question 7: Listen! His brother ( play) the guitar in the next room. A.playing B.was playing C.is playing D.plays Question 8:The capital of the United Kingdom is.... A.Sydney B.London C.Ha Noi D.Washington D.C Question 9: The children often take part in a local or international.... A.summer camp B.game C.activities D.attraction Question 10: We ( not meet) him for a long time. A.have met B.has met C.hasn't met D.haven't met giúp e nhanh với ạ e cảm ơn

Từ các bài thơ mà em đã học trong chương trình lớp 9 (học kì I và học kì II), em hãy tự ra (không chép SGK) 2 đề văn nghị luận về một đoạn thơ, bài thơ.

Nha An nuoi 8 con bo , trong do co 3 con bo cai . Hoi so bo cai chiem bao nhieu phan tram tong so bo ?