Làm giúp mình cái yêu cầu cuối trang đi ạ

giá trị x = 1 là nghiệm của phương trình nào dưới đây

nguyên tố R thuộc nhóm A hợp chất khí của R với hidro có dạng RH trong hợp chất oxit cao nhất R chiếm 38,8% về khối lượng a, xác định công thức hợp chất RH ( hợp chất X) b, viết phương trình phản ứng cho dãy chuyển hóa sau X____+KMnO4_______> khí Y __+Zn_____> ____+AgNO3________>T

Giúp mình làm câu 3' 4 với mình cảm ơn

cho 0<x<1 .timgia tri nho nhat cua bieu thuc M=x/1-x +4/x

Put question for the underlined part of each sentence: 1. It is 10 kilometers from here to ACB bank. ________________________________________________________________________________________________ 2. I have known Marie for nine years. ________________________________________________________________________________________________ 3. Yes, they used to be friends at the university. ________________________________________________________________________________________________ 4. Sarah left two hours ago. ________________________________________________________________________________________________ 5. She is watching Tom and Jerry. ________________________________________________________________________________________________

Giúp mình bài 1 với ạ Giải đầy đủ dễ hiểu giúp mình nhá

Vì sao các p/s này bằng nhau ?giúp m nha!

Fill in each gap with one suitable word: I live (1)____________Hanoi. It is (2)___________busy city. The streets (3)___________crowded and there are traffic jams in the rush hour. I am sometimes late for school because of the traffic jams. Some people don’t (4)___________the traffic rules. They pass the red traffic light, wear no helmets…Therefore, sometimes there (5)__________accidents. Word form: 1. The children were_____________by the stories about ghosts. FRIGHTEN 2. It is____________to use gun without permission. LEGAL 3. Be____________! A car is coming! CARE 4. Have you got______________license? DRIVE 5. Stop in front of the zebra______________when the traffic light turns into red. CROSS

Write about a sport/game you like. Use your own ideas and the following as cues - Name of the sport/game - Is it team or an individual sport/game? - How long does it last? - How many players are there? - Does it need any equipment? viết về cầu lông càng tốt nhá