Cho phương trình : (m+4)X^2-2(2m+9)X-4=0 a: tìm m để phương trình là phương trình bậc nhất b: Với giá trị nào của m thì phương trình trên tương đương với phương trình 2X(X-1)=2X^2+4

đặt vd cho mình cấu trúc này vs nhé S + be + asked + (not) to V-inf.

giúp mình làm 1 câu nha! mình đang cần gấp mình cho 30 điểm nha!

trong các phương thức vận chuyển các chất qua màng sinh chất ,hãy phân biệt phương thức khuếch tán qua kênh protein và khuếch tán qua lớp kép photpholipit

Exercise 6. Write the second sentence so that it has the same meaning as the first one. 1. I've never seen such a boring movie.  It is _________________________________________________________________ 2. Many tourists visit the school every year.  The school ________________________________________________________ 3. They slice the fish and fry it in a frying pan. The fish ___________________________________________________________ 4. French grammar is more difficult than English grammar. French grammar ____________________________________________________ 5. The new building is as high as the old one.  The new building is the same ______________________________________________ 6. What is your favourite subject?  Which subject do _________________________________________________________ ? 7. She is very interested in computers.  She likes ________________________________________________________________. 8. Three bananas cost 15,000 dong. The price of _____________________________________________________________. 9. No building in the town is older than this church.  This church is the ______________________________________________ 10.There is a sink, a tube and a shower in the bathroom.  The bathroom __________________________________________________.

tác dụng của dịch tụy trong biến đổi thức ăn ntn

Giúp em mấy ý trắc nghiệm với. Đừng chọn random mọi người nhé hic2

Giúp mình câu 4 câu 5 câu 6 ( đủ nhé )

giúp hộ em làm bài tập này với ạ!! em cảm ơn !! cần rất gấp ạ !! <33

EXERCISES Change these sentences into the passive voice 1. People should send their complaints to the main office. ……………………………………………………………….…………………………………… 2. Somebody might steal your car if you had left the keys in it. ……………………………………………………………….…………………………………… 3. A short circuit could cause the fire. …………………………………………………………….……………………………………… 4. Lan is going to invite her friends to her birthday party. …………………………………………………………….……………………………………… 5. Lien couldn’t open the door of the classroom. …………………………………………………………….……………………………………… 6. They should announce that news as soon as possible. …………………………………………………………….……………………………………… 7. Phong has to return the scientific book to the library. …………………………………………………………….……………………………………… 8. People must repair that old building. …………………………………………………………….……………………………………… 9. The government will rebuild the memorial monument. …………………………………………………………….……………………………………… 10. The students may elect Phong their leader. …………………………………………………………….……………………………………… 11. The teacher won’t accept papers written in pencils. …………………………………………………………….……………………………………… 12. The athletes might visit some interesting places after Sea-Games. …………………………………………………………….……………………………………… 13. Lan’s parents have to clean up their house before Tet holidays. …………………………………………………………….……………………………………… 14. The principal might interview her. …………………………………………………………….……………………………………… 15. They must keep fruit in the fridge for long. …………………………………………………………….………………………………………