Làm ơn giúp mk vs ạaa Mk sẽ vote ạ Mk thâth sự cần gấpppp Bỏ ít tgian giúp mk vs ạ

Giúp mình với Giải pt sau Căn 9x^2 = 2x+1

hòa tan hoàn toàn 3,12 gam hỗn hợp gồm 2 kim loại A và B đều hóa trị II bằng axit HNO3 đặc nóng. Sau pư thấy có 2,688 lít khí bay ra (đktc) a, Xác định tên 2 kim loại A và B. Biết $M_{A}:$ $M_{B}= 5:8$ b, tính khối lượng từng chất trong hỗn hợp khí

Mỗi bạn làm cho mik một bài với nha , mik vote 5 sao

Cho tam giác ABC cân tại A. trên cạnh AB lấy điểm D. Trên cạnh AC lấy điểm E sao cho AD=AE a) C/M rằng BE=CD. b) C/M rằng góc ABE = góc ACD c) Gọi k là giao điểm của BE và CD. Tam giác KBC là tam giác gì? vì sao? d) Ba đường thẳng AC,BD,KE cùng đi qua một điểm.

III. Rewrite these sentences, using the words in brackets. 1. Blue pen is five dollar. White pen is five dollar. (the same …… as) →_____________________________________________________________________. 2. This painting is two dollar. My painting is two dollar. (as … as) →____________________________________________________________________. 3. This book is the same as that book. (not different from) →____________________________________________________________________. 4.This film is more boring than the one we saw last week. (not as … as) →_____________________________________________________________________. 5. The journey was longer than we thought at first. (not as … as) →_____________________________________________________________________. 6. Hoa ate bread with milk for breakfast. Hoa’s uncle ate bread with milk for breakfast. ( so) →_____________________________________________________________________. 7. She didn’t watch TV last night. Her husband didn’t watch TV last night. ( either) →_____________________________________________________________________. 8. They mustn’t stay up late. Their friends mustn’t stay up late. ( neither) →_____________________________________________________________________. 9. Milk is good for your health. Fruit juice is good for your health. ( too) →_____________________________________________________________________. 10. Betty does morning exercise. Betty’s aunt does morning exercise. (so) →_____________________________________________________________________.

Giúp mình với' Giải pt sau Căn x^4 = 9

Comleple the second sentence so that is has the same meaning to first 1. The Chinnese invented paper in the century A.D =>paper 2.My sister likes cooking.said Nam Nam said that 3.The question is very difficult.I cant't understand it The question is too 4. The road is very narrow.It Joins the two villages The road

Hộ mik phần d vs ạ nhanh đc ko ạ

câu 1; a) -13/14+3/7 b) -9/10+0,9.(1/5-1/6):20% c) -2/9.5/19+14/19.-2/9+24 2/9 ( hổn số) câu 2; a) x-3/4=-11/12 b) 1/3+2/3:x=2 1/3 ( hổn số) c) 1/2x+1/4x=-3/8 d) |5x-9|+2018=2019