Câu 1 : No one can answer this question . => This question Câu 2 :It is a festival in which people have their bulls fight against each other viết lại câu này dùng compound word . giúp mình với bạn ơi

🙏🙏🙏🙏Giúp em vs ạ 🙏🙏🙏🙏 ♥️♥️♥️♥️Em cám ơn ạ ♥️♥️♥️♥️

cho tam giác ABC (AB=AC)kẻAH vuông góc BC ,BKvuông góc vs AC,AH giao BK tại I A, đường đường kính AI đi qua K B, HK là trực tâm của đường tròn đường kính AI

Các câu tiếng anh sau đây mong các bạn giúp đỡ nhé khó lắm đó Đổi sang câu phủ định và câu hỏi ở các thì khác nhau , thêm những wh sau WHO,WHAT,WHEN 1.He lost his umbrella yesterday. 2.I am doing my homework now. 3.They left the door open last night. 4.We were eating dinner at this time yesterday. 5.She will buy a new english dictionary the next day. 6.The children went to school by bus. 7.Ann's brother is going history at university. 8.Mr.Nam will visit his grandparents tomorrow. 9.They usually play football at this stadium. 10.My father was working in a bank. 11.Tom's mother often helps him with the homework. 12.Angela did her homework very quickly yesterday. RẤT MONG CÁC BẠN GIÚP ĐỠ

Nguyên tử Sắt có điện tích hạt nhân là 26+. Trong nguyên tử, số hạt mang điện nhiều hơn số hạt không mang điện là 22. Hãy xác định số khối của nguyên tử Sắt.

Nguyên tử B có tổng số hạt là 28. Số hạt không mang điện chiếm 35,7%. Tính số p, n , e.

V. Correct the errors in subject-verb agreement. Some sentences contain no errors. —> are 1. The books in my office is very valuable to me. 2. All of the windows in our house were broken in the earthquake, (no errors) 3. All of the employees in that company is required to be proficient in a second language. 4. A lot of the people in my class works during the day and attends class in the evening. 5. Listening to very loud music at rock concerts have caused hearing loss in some teenagers. 6. Many of the satellites orbiting the earth is used for communications. 7. The news about the long-range effects of air pollution on the development of children's lungs is disturbing. 8. Chinese have more than fifty thousand written characters. 9. About two-thirds of the Vietnamese works in agriculture. 10. A number of planes were delayed due to the snowstorm in Denver. 11. The number of passengers affected by the delays was great. 12. More men than women are left-handed. 13. Every girl and boy are required to have certain immunizations before enrolling in public school. 14. Seventy-five percent of the people in New York City lives in upstairs apartments, not on the ground are floor. 15. Unless there are a profound and extensive reform of government policies in the near future, the economic conditions in that country will continue to deteriorate. 16. While I was in Paris, some of the best food I found were not at the well-known eating places, but in small out-of-the-way cafes.

chứng minh một công thức dựa vào 2 công thức còn lại (GIỐNG NHƯ CÔNG THỨC LIÊN HỆ GIỮA C%VÀ S) các bạn có thể lấy 1 ví dụ cụ thể để chứng minh được không/? GIÚP MÌNH! ''Lấy được càng nhiều càng tốt''

các bạn làm gấp giùm mik v thanks

chứng minh các định lý sau: a. nếu x ≠0 hay y ≠0 thì $x^{2}$ + y ² -2x -2y +2 ≠ 0 b. nếu a ≥ 0 và b ≥ 0 thì a+ b ≥ 2 √a.b