Cho hàm số y = –x 2 có đồ thị là parabol (P). Tìm tọa độ giao điểm của parabol (P) với đường thẳng y = 3x.

Cho tam giác ABC cân tại A.gọi Là trung điểm của BC vẽ điểm D bất kì nằm giữa M và C kẻ các đường thẳng qua B và C vuông góc với AD tại k.chứng minh rằng a,AM vuông góc với BC b,tam giác ANH = tam giác CAk c,tam giác MHK vuông cân

Hấp thụ khí Cl2 vào dung dịch NaOH x% vừa đủ thu được dung dịch X trong đó nồng độ của NaCl là 12%. Giá trị của x là?

Exercise 1: Combine each pair of sentences , using “ whose”( Kết hợp các cặp câu, sử dụng “ whose”) 1. I like the house . Its walls were made of glass. 2. I read about the child. His life was saved by a pet dog. 3. The people were nice. We visited their house yesterday. 4. A boy is a friend of mine. You are using his bike. 5. Do you know the woman? Her daughter has won the contest. 6. We will tell you about the boy. You met his parents last night. 7. The girl feels happy. Her husband has just won a big prize. 8. The author is an English. You are reading his book. 9. The pupils study hard. Their parents are proud of them. 10. My sister is trying to get a job. Her children are at school all day. 11. The girl is beautiful. Her dress is red. 12. The man is a doctor. My parents bought the man’s house. 13. The woman is a nurse. We saw the woman’s daughter last week. 14. Lan is my friend. Her mother died last year. 15. The girl is my sister. You took the girl’s picture.

làm ơn hãy giúp mình với mình cầu xin các bạn hãy giúp mình với

Viết lại câu It don't necessary to finish the work to day You don't Salon finally managed to get a job Salon finally succeeded

Phần tự luận thôi ạ em cảm ơn nhé

Tìm từ trái nghĩa với từ vô dụng Giúp mình với ạ

BÀI TẬP ANH 7 I. Chọnmộtđápánđúngnhất( A, B, C hoặc D) đểhoànthànhmỗicâusau: 1. What do students often do____________ recess? A. in B. on C. at D. Of 2. My brother never goes to school late and____________. A. so does Lan . B Lan doesn’t, either C. Landon’t, either. D. neither doesn’t Lan 3. It’s very important____________ your hand before meals. A. Wash B. to wash C. washing D. washed 4. We should keep our teeth____________. A. be clean B. to be clean C. clean D. cleanly 5. She works____________ a hospital. She takes care____________ sick people A. in/ at B. at / for C. of / at D. in / of 6. Remember____________ home by ten o’clock. A. to get back B. getting back C. to getting at D. for getting 7. You are too fat. You should eat more____________. A. Vegetables B. Milk C. Fish D. Meat 8. He broke the vase because he was____________. A. Careful B. Carefully C. carelessly D. careless 9. Would you like milk in your coffee? – Yes____________, please A. a few B. a little C. little D. Few 10. I don’t like this book because it is very____________. A. Bored B. interesting C. boring D. interested

Một hình vuông có chu vi 84 m. Tính độ dài cạnh hình vuông đó?