tính kích thước của bông hoa . biết chiều ngang 1/2 chiều dài,chiều dài 2/3 . tính diện tích

Các bạn ơi giúp mình với mình có 13 điểm thôi giúp pls

Cho ba điểm A(1; 2), B(0; 4), C(3; 2). a) Tìm toạ độ các vectơ .AB,AC, BC b) Tìm tọa độ trung điểm I của đoạn AB. c) Tìm tọa độ điểm M sao cho: CM= 2AB - 3AC d) Tìm tọa độ điểm N sao cho: AN+2Bn-4Cn =0

help mình cần gấp lắm mng giải giúp mìn với

Cho A = √x-2 / √x a, tính A khi x= 6 - 4 √2

1. Having a vacation in Da Lat is very interesting. It ……………………………................................................................................................................... 2. The water was so hot that I could not drink it. The water was not ........................................................................................... ………… 3. She last ate this kind of food in January. She has not .................................................................................................... ………… 4. I would like you to move this table Do you mind ………………………………………………………………………………………. 5. She said to me “Don’t go out in the evening”. She …………………………………………………………………………………………………… 6. The theater is near Hoa’s house The theater is not …………………………………………………………………………………….. 7. How about going to the movie tonight? Let’s ………………………………………………………………………………………………….. 8. Air travel is faster than any kind of transport. Air travel is the ……………………………………………………………………………………… 9. Nobody has used this machine for years. This machine ……………………………………………………………………………………….. 10. Please don’t smoke in the kitchen. Would you mind …………….......…………………………………………………………………

giúp với ạ mình đang cần gấppppppp

Giúp mình câu này với ạ Cái nào sai mọi người sửa giúp ạ Lưu ý: Phải dịch tiếng anh sang tiếng việt nữa Tớ cảm ơn nhiều

mọi người làm giúp em một bài văn về chị anh em trong gia đình bằng tiếng anh nhé xin Cảm ơn

Exercise 2: Chọn đáp án đúng nhất 1. My room _________________________ in the house by her now. A. is being cleaned B. are being cleaned C. will be cleaned D. would be cleaned 2. Tom ___________________________ by Mary since 10 o'clock. A. has operated B. have been operated C. has been operated D. All are wrong. 3. Someone __________________ to take his place. A. must be find B. might be find C. should be finds D. must be found 4. 20 demonstrators ________________________ by the police. A. was arrested B. were arrested C. was arresting D. A & B 5. That book ______________________ by Tom yesterday. A. were bought B. bought C. A & B D. was bought 6. Much of the city ______________________ by fire in the 17th century. A. was destroyed B. is destroyed C. are destroyed D. were destroyed 7. Work _________________________ by the teacher. A. are being watched B. was being watched C. is being watched D. B & C 8. My house __________________ red and blue. A. are painted B. is painted C. was painted D. All are wrong. 9. The grain _________________ to the factory, where it _______________ and ____________________. A. are taken / cleaned / is checked B. is taken / is cleaned / is checked C. was taken / was cleaned / was checked D. is taken / is cleaned / checked 2Tài liệu tiếng Anh ôn tập hè 7 - 8 GV: Kiều Thị Thu Hà - THCS BM 10. Jag Niwas _______________________ by Prince Maharana Jagat Singh II. A. were built B. are built C. was built D. is built 11. The wall _______________________ before you paint it. A. must be cleaned B. should cleaned C. might been cleaned D. No answer is right 12. The Garden of Clear Ripples ___________________ by The Qing Emperor Quinlong in the middle of the 16th century. A. designed B. was designed C. were designed D. B & C 13. This computer _________________________ to use A. will be continued B. would continued C. should continue D. must continues 14. A lot of food _____________________ these days. A. are thrown B. were thrown C. is thrown D. was thrown