Cho hình vuông ABCD ,E là trung điểm của AB.Qua A vẽ đường thẳng vuông góc với DE cắt BC tại F.Chứng minh: Δ ADE= Δ BAF

Giải hệ phương trình: \(\begin{cases}xy^2+2y^2-2=x^2+3x\\x+y=3\sqrt{y-1}\end{cases}\)

1. She would .... give up her spare time to help you. (WILLING) 2. We were impressed by his ... to listen and learn. (WILLINGLY) 3. Bob plans to take ... at the age of 50. (RETIRE) 4. It was ... that he was at home when you phoned. (FORTUNE) 5. He was ... for not paying the debt. (PRISON) 6. Since the accident, they’ve cared for their son with great .... (DEVOTE) 7. She was too ... to point out my mistake. (POLITE) 8. The weather has been ... hot. (TERRIBLE) 9. They went to see most of the ... places. (INTEREST) 10. The World Cup ... is open to all countries. (COMPETE) 11. Think ... before you speak. (CARE) 12. This new center is an interesting ... . (DEVELOP) 13. Although she is rich, she is ... . (HAPPINESS) 14. We were in ... on that point. (AGREE) 15. The sky was ... . The weather was rather bad. (CLOUD) 16. He can look back on his career with great ... . (SATISFY) 17. Vietnam is a ... country. (DEVELOP) 18. Are you afraid of ...the busy streets? (CROSS) 19. The new car goes at an ...speed. (AMAZE) 20. He was excluded from school for a week as a ... . (PUNISH) 21. I would ... give up my job if I didn’t need the money. (HAPPY) 22. She believes she finally find true ... . (HAPPY) 23. We’re waiting for him to make up his mind. I wish he’d be more ... . (DECIDE) 24. A debtor is a person who is in ... . (DEBT) 25. Your written work is in need of some ... . (IMPROVE) 26. It’s ... to see you again. (WONDER) 27. She has decided to take early ... . (RETIRE) 28. We need your ... to finish the work successfully. (COOPERATE) 29. His classmates shouted ... when he won the match. (EXCITE) 30. Mai has passed the exam. We can see ... in her eyes. (HAPPY) 31. It is fashionable to have short hair nowadays. (FASHION) 32. He died of cold and .... (HUNGRY) 33. She is a woman of considerable .... (CULTURAL) 34. We decided to break with ...and not send any cards this Christmas. (TRADITIONAL) 35. Their ... has lasted a lifetime. (FRIEND) 36. They were filled with ...at the good news. (JOYFUL) 37. ... on your new job! (CONGRATULATE) 38. After three years in prison, he was finally ... . (FREEDOM) 39. Sports and games make our body ... . (STRENGTHEN) 40. I can’t stand the ... smell of bad fish. (PLEASE) 41. He was an interesting man. Therefore all of us were ... in talking to him. (INTEREST) 42. Let me congratulate you on your ... . (NOMINATE) 43. He turned off the ... when he went out of the house. (ELECTRIC) 44. The new law will become ... next month. (EFFECT) 45. The report stresses the ... of eating plenty of fresh fruit and vegetables. (NECESSARY)

Giúp e bài 14,21 ạ:((( e cần gấp

Viết đoạn văn nêu cảm nhận của em về khổ thơ "Ta hát bài ca gọi cá vào Gõ thuyền có nhịp trăng cao Biển cho ta cá như lòng mẹ Nuôi lớn ta từ buổi nào" Để thấy biển ko những giàu đẹp mà còn rất ân nghĩa chung thủy.

Nêu 2 loại phân thường dùng để bón lót và cho biết chúng có đặc điểm gì thích hợp để bón lót cho cây trồng. Làm ngắn giúp mình nhé

Phân tích biểu hiện chủ nghĩa nhân đạo qua tác phẩm chí phèo

Cho phương trình: \(x^2-2(m-2)x+m^2-2m+2=0\) (m là tham số) a, Giải phương trình khi \(m=(-1)\) b, Tìm m để phương trình có hai nghiệm phân biệt \(x_1;\ x_2\) thỏa mãn \(|2(x_1+x_2)+x_1x_2|=3\)

Các bạn ơi! Giải thích giúp mình môi trường truyền âm có gì khác vs âm phản xạ, tiếng vang đi!! Mình ko thể nào phân biệt đc nó khác nhau chỗ nào, cho vd nhé!

một đội trồng rừng 5 ngày trồng 300 cây keo . Hỏi đội đó trồng 6 ngày được bao nhiêu cây keo( mức trồng như nhau ) ? A.240 cây B.9000 cây C.360 cây D.10 cây