Giúp mình với Câu 1 e f Tìm GTNN, GTLN ĐỂ HÀM SỐ.. Câu 2 như hình ạ

cho 2,7 gam al tác dụng với 150ml dung dịch hcl 1m ,hãy tính khối lượng muối được tạo thành

Work in pairs. Discuss the questions: "Why do we need to have friends?(ko copy mạng)

tìm m để cos x = m có đúng mọt nghiệm thuộc khoảng [ - π /2; π/2]

Một khu rừng hình chữ nhật có chu vi 7 km 5hm chiều rộng bằng 2/3 chiều dài tính diện tích khu rừng đó với đơn vị đo là mét vuông là hecta M vuôn g là đổi thành ha

Các bạn giúp mình nhé mình đang cần gấp lắm bạn nào làm đúng nhất mình sẽ cho 5 sao II.Complte the dialogue: 1.Miss Hien : _____________________________? Children : It’s the third of October. 2.Linda : Can your sister skate? Me : No, ______________. 3.Phong : _____________________________? Hakim : I’m Japanese. 4.Quan : What’s the name of your school, Nam? Nam : Oxford Primary school. Quan : Where’s your school? Nam : ____________________________. 5.Mr.Loc : What do you like doing in your free time? Hoa : _______________________ How about you? What’s your hobby? Mr.Loc : _______________________ III.Read and answer the questions: Linda studies at Nguyen Du Primary School. Every day, she gets up at 6:00, then she has breakfast at 6:00. She goes to school at 7 o’clock. School starts at 7:30 a.m and finishes at 4:45 p.m. She goes home at 5 o’clock. She has dinner with her family at 7:15 in the evening. Then she does her homework and watches TV. She goes to bed at 9.30. 1.What time does Linda get up? ………………………………………………………………………………. 2.Does she go to school at 7:30 a.m? ………………………………………………………………………………. 3.What time does her school start and finish? ………………………………………………………………………………. 4.What does she do at 7:15 p.m? ………………………………………………………………………………. 5.What does she do after dinner? ……………………………………………………………………………….

Giải giúp em với ạ em không biết làm em cảm ơn nhiều ạ

1. Seeing Nelson Madela will always in my memory. (I'll never) 2. My lawyer said I shouldn't say anything to the police. (My lawyer advised) 3. It's not a good idea to travel during the rush hour. (It's better to avoid) 4. I'd rather you not smoke here. (I want you) 5. I don't intend to lend her any money. (I have no intention of) 6. Let's go there bu taxi because it's a very long way. (I suggest)

Rút gọn biểu thức: (a-b)³ + (a+b)³ - 2a³

Thực hiện chuỗi PTHH sau : a) CaO → Ca(OH)2 → CaCO3 → CaO → CaCl2 b) S → SO2 → Na2SO3 → SO2 → CaSO3→ SO2 → SO3 → H2SO4 → CuSO4