Cho hàm số y = - x^3-mx^2+(4m+9)x+5 tìm m để hàm số k có cực trị

Bài tập vận dụng chương I sinh hoạc 10 ADN

Viết 1 đoạn văn trong đó có sử dụng phương tiện liên kết

Trong 4 loại đơn phân của ARN, 2 loại đơn phân cí kích tước lớn là A:timin và xitôzin. B: timin và ađênin C:ađênin và guamin. D:guamin và uraxin.

Làm sơ đồ về tổ chức triều đình nhà tiền lê

Nêu đặc điểm vị trí và kích thước của châu á, ý nghĩa của kích thước đối vs khí hậu ?

Viết bài văn thuyết minh về nhà văn Nguyễn Đình Chiểu và tác phẩm Lục Vân Tiên

1. number the sentences of the conversation in the correct order. __Mr Davies : Here you are. __Mr Davies : How much is that ? __Mr Davies : The six o'clock film. __Mr Davies : Two adults and two children, please. __Mr Davies : Two tickets for The Water Horse, please. __Woman : Adult or child ? __Woman : Thank you. Enjoy the film. __Woman : OK, and which performance do you want to see ? __Woman : That's $ 18 altogether. __Woman : Two adults and two children at six o'clock. that's fine. 2. Complete the conversation with the correct words. You can see the first letter of each word. Emily : There's a concert on saturday. Do you want to go ? Victoria : I don't know.(1) W___________is it ? Emily : At the theater. Victoria : (2) H____________(3) m____________are the tickets ? Emily : I think they're about 10. Victoria : That's not bad. What (4) t___________(5) d__________(6) s________? Emily : It starts at seven o'clock. There are three bands and it finishes at about ten o'clock. Victoria : What (7) k___________of music do they play ? Emily : Rock and rap. Victoria : Great. What are the bands called ? Emily : I don't (8) r____________their names. Sorry. Victoria : OK. Let's go to the theater and buy two tickets and (9) t__________we can go shopping. Emily : Great and (10) a__________that we can have a pizza. Victoria : Good idea. 3. Read the passage, and then answer the questions. There are many activities after school hours in Lan's school, so she and her classmate can take part in them. Lan and Mai join the school theater group nd they are also the members of the stamp collector's club. They are rehearsing a play for the teacher's day. Hung and Tuan are members of the school sport club. they play for the school football team, Ha and Thanh are the members of the school are club, and they want to be good artist one day in the future. 1. Which of them joins the school theater group ? _________________________________________________________________ 2. What are they doing now ? __________________________________________________________________ 3. Who are they members of the stamp collector's club ? ________________________________________________________________ 4. Who plays for the school football team ? ______________________________________________________________________ 5. Who are the members of the school are club ? ___________________________________________________________________

rút gọn và tìm x thuộc Z để D thuộc Z

Hòa tan hoàn toàn 6.85 gam một loại kiềm thổ R bằng 200ml dung dịch HCL 2M. Để trung hòa lượng axit dư cần 100ml dung dịch NAOH 3M. Xác định tên kim loại trên