Đường tròn (O;15cm)và dây CD=18cm khi đó tâm O của đường tròn cách dây CD là

Giúp mik với mn ơi!!! Sắp nộp r :(((((((((((((

..........Vẽ chibi đi .............

IV. WORD FORM 1. She was.....or two days after the accidents ( conscious ) 2. I tell you some interesting information about the......of water( press) 3. I want an.......reply ( immediate ) 4. She is very ......about her mother's health ( anxiety ) 5. It's very dangerous to fall ......when having an accident ( sleep ) 6. His family was extremely happy about his quickly ......after the accident ( revive) 7. They need a lot of.... for their fields ( fertilize ) 8. They.......the mashed paper and the water together yesterday ( mixture ) 9. The.......of disease is very important to us nowadays ( prevent ) 10. We can use a.......spoon to mash the paper ( wood) 11. Linda is one of the...... from Friends of the Earth ( represent) 12. Reduce means not buying products which are......( overpackage ) 13. The country's......resources include forests, coal and oil (nature ) 14. Waste paper can be....... after being recycled ( use ) 15. Compost is a wonderful............I helps plants grow ( fertilize ) 16. The nurse is giving us first - aid .......( instruct ) 17. Two players are out of the team because of .........( injure ) 18. She has cut herself and it's .......quite badly ( blood ) 19. Make sure that the dressing are......... ( sterile )

giải pt.......................... x^2-4x+7=0

vẽ chibi khinh thường có màu, đẹp= hay nhất

Cl2 + Fe …… 9. Cl2 + H2O ….. + …… Cl2 + …. 2HCl

từ đoạn thơ, em hãy viết đoạn văn ngắn 200 chữa nêu cảm nhận của em về hình ảnh ông đồ qua khổ thơ 3,4

Mọi người giúp mk vs ạ 😫 Hứa sẽ vote 5 sao và cảm ơn nè🤗

Gíup mik với mik đang cần gấp lắm.