làm giúp mình bài 139,140,141 sách cơ bản và nâng cao toán lớp 6 tập 2 ai nhanh mik tick nha

cho 2 đa thức f(x)= x² + 3x³ - 9x^5 - 7 - 5x^7 + 2x³ +3x²+ x^5 - 4x²+3x^7 g(x)= 2x^5 + 2x³ -7x^8 - 2x^7 + x³ + 5x² - 5x^7 + 1/2 -x^4 -3x² - x^6 a) tính f(x) +g(x) ; f(x)-g(x) ; g(x) - f(x) b) chứng tỏ rằng x=0 là 1 nghiệm của đa thức của g(c) nhưng ko phải là 1 nghiệm của đa thức f(x)

complete the sentences with the opposites of the world in the brackets 3.it is..........for you to know everything in the field of science.(possible) 4.Latest developments in science help us find out more about........stars.(known) 5.The researcher was......about announcing his scientific discovery.(decided) 6.It is.....that fossil fuel will never run out(probable)

Bn nào jup mk vs.Sắp nộp r.Gấp lắm. Ai lm hết trong tgian nhanh nhất đc 5* cảm ơn và vote CTLHN nha.Phần BTVN í❤Cảm ơn trc nha.Nhanh giùm mk nhé❤

Giải hộ trắc nghiệm cho em vs anh chị

vẽ cho mình lisa blackpink nha * lưu ý: vẽ rõ mặt nha, ko sao chép mạng ạ

Bài 1 : cho tam giác ABC vợ A (3;0),B(1;-2),C(2;3) a)Viết phương trình tổng quát của đường thẳng AB B) viết PTTS đường trung tuyến kể từ đỉnh A C) viết PTTQ của đường cao kể từ đỉnh C D) tính cosin của góc giữa 2 đường thẳng AB, AC Bài 2 : gọi d là đường thẳng đi qua điểm M(2;3),d cắt trục Ox, Oy lần lượt tại A, B sao cho M cắt trung điểm của AB. Viết PTTQ của đường thẳng d

viết bài văn cảm nhận về hai bức tranh của người nghệ sĩ iran alireza pakdel

II. WRITING (2.0 points) Finish the second sentence so that it has a similar meaning to the first one, beginning with the given words. 41. Did they understand the problems? They didn’t________________________________________________________________________? 42. The thief made her hand over the money. She was____________________________________________________________________________ 43. What do they hold this meeting for? What is____________________________________________________________________________? 44. “Why don’t you meet to discuss how to develop the project?” I suggest___________________________________________________________________________ 45. We have to cut down on our driving because there is an oil shortage. Because of__________________________________________________________________________ Complete the second sentence so that it has a similar meaning to the first sentence, using the word given. Do not change the word given. Don’t use more than five words. 46. I took the book back to the shop and got a better one instead. EXCHANGED I took the book back to the shop and____________________that was better. 47. This is the most amusing book I’ve ever read. AMUSING I’ve never read a____________________one before. 48. We have never met anyone as famous as he is. MOST He is____________________we have ever met. 49. My mother insisted on my doing some chores every day. MADE My mother____________________some chores every day. 50. My parents moved to New Zealand five years ago. SINCE It____________________my parents moved to New Zealand. 41. My father said I could use his car. My father allowed____________________________________________________________________ 42. Don’t stop him doing what he wants. Let________________________________________________________________________________ 43. “Why don’t you put your luggage under the seat?” He suggested________________________________________________________________________ 44. “It certainly wasn’t me who stole the money!” she said. She denied_______________________________________________________________ 45. The law of supply and demand should govern the prices of goods. The prices__________________________________________________________ Combine two sentences into a new one using the given words in brackets. Do not change the given words in any ways. 46. I don’t know anything about plumbing. I can’t fix the leak in the sink myself. (if) _____________________________________________________________________ 47. Dogs can walk in the city park. Dogs must be on a leash. (but) __________________________________________________________________ 48. Early storm warnings imply heavy rains. Early storm warnings also imply strong winds. (and) _______________________________________________________________________ 49. Fewer students attend ABE in the summer. The program only offers classes in the morning. (so) ______________________________________________________________________ 50. The hostess specified the times for drinks and dinner. Her guests knew when to arrive at the party. (whose)

B1 MỘt cái thùng không nắp có dạng hình hộp chữ nhật có chiều dài 8dm chiều rộng 6dm chiều cao 5dm .Tính diện tích sắt phải dùng làm thùng B2 đặt tính rồi tính A) 37,67:2,1=........ 48,98:37=......... B) 25,68*43=.......... 110,01*2,96=........ Mn gúp mình đi mình đang cần gấp mn có 25 phút dể làm