Một ca nô đi từ A đến B với vận tốc 12 km /giờ ca nô khởi hành lúc 7 giờ 30 phút và B lúc 11 giờ 15 phút tính độ dài quãng đường AB

Một hình thang có trung bình cộng của độ dài 2 đáy là 32m. Tính diện tích của hình thang, biết rằng nếu đáy lớn tăng thêm 16m và đáy bé tăng thêm 10m thì diện tích hình thang đó sẽ tăng thêm 130m2

hãy cho bt về xã thạch đài huyện thạch hà

Tìm gtln của hàm số y=|-x²-4x+5| trên đoạn [-6;6] ?

Giúp em với🥺bạn em thi lại mà sợ làm k đúng🥺🥺🥺

viết 1 đoạn văn từ 3-5 câu tả mùa hè

GIÚP MÌNH VỚI !!!!!!!!!!!!!!!!!!

Vt calli "Ngọc cute" Y/c: vt app, màu hường cute

chia m(g) hỗn hợp Fe và Al thành 2 phần = nhau. phần 1: tác dụng vừa đủ với 200ml dung dịch NaOH 1M. phần 2: tác dụng với dung dịch H2SO4 thu được 8,96 Lít H2 (đktc). a)viết pt. b)tính m. c)tính% khối lượng mỗi kim loại

Correct the mistakes in each sentence Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. 27: This test is more difficult than that one. A. more different B. easier C.more easy D.noisier 28. The church is quite an ancient building. A. old B. fresh C. historic D. modern 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. 29. We spent an enjoyable evening boating in the river. A. comfortable B. boring C. exciting D. unpleasant 30.There are some drawbacks in the city life nowadays. A. bad B. advantage C. good D. disadvantages Choose the best answer as it means the same as the sentence above 31. They will build a new house in the area. A. A new house will be built in the area by them B. A new house will be built in the area C. A new house is being built in the area by them D. A new house will built in the area 32. Although his leg was broken, he managed to get out of the car. A. In spite his broken leg, he managed to get out of the car. B. In spite of his broken leg, he managed to get out of the car. C. In spite his leg broken, he managed to get out of the car. D. In spite of his leg was broken, he managed to get out of the car 33. Work hard or you will not pass your exam. A. If you work hard, you will not pass the exam B. If you do not work hard, you will not pass the exam C. If you worked hard, you would not pass the exam D. If you worked hard, you will not pass the exam 34. Nick said that: ‘ I come from a small town in England” A. Nick said that he came from a small town in England B. Nick said that he come from a small town in England C. Nick said that he comes from a small town in England D. Nick said that he would come from a small town in England 35. My dad worked in a factory in the past, but doesn’t work there now. A. My dad used to working in a factory. B. My dad used to be working in a factory. C. My dad used to work in a factory. D. My dad used to be work in a factory. 36. Mr. Peter has written a lot of articles for the CNN News. A. A lot of articles have written for the CNN News by Mr. Peter. B. A lot of articles have been written for the CNN News by Mr. Peter. C. A lot of articles has written for the CNN News by Mr. Peter. D. A lot of articles has been written for the CNN News by Mr. Peter. 37. Trees and grasses cannot grow here because the soil is badly polluted. A. If the soil were not badly polluted, trees and grasses would grow here B. If the soil were not badly polluted, trees and grasses couldn’t grow here C. If the soil were not badly polluted, trees and grasses wouldn’t grow here D. If the soil were not badly polluted, trees and grasses could grow here 38. “What time did you come home last night, Mark?” said Tom. A. Tom asked Mark what time had he come home the previous night. B. Tom asked Mark what time he had come home last night. C. Tom asked Mark what time he came home last night. D. Tom asked Mark what time he had come home the previous night Choose the word which has a different sound in the part underlined. 39. A. pollution B. earplug C. dump D. dust 40. A.played B. needed C. filled D. prefered - The end -