Cho đoạn thẳng AB dài 4 cm.Trên tia AB lấy điểm C sao cho AC = 1 cm a,Tính CB? b, Lấy điểm D thuộc tia đối của tia BC sao cho BD = 2cm.TÍnh CD

Mặt phẳng nghiêng có tác dụng gì . 0,5 lít bằng bao nhiêu dm Hộ em 2 câu đều là vật lý ah

Viết lại những câu sau sao cho nghĩa của câu không thay đổi. 1. That man doesn’t work hard.He can’t earn more money. 2.I don’t tell him the answer because he is from home. 3. My friend and I don’t have enough money , so we will not buy a house of our own. 4. The weather isn’t better now, so we can’t go for a walk. 5. I don’t know his address, and I don’t give it to you. 6.He does not work slowly enough, so he makes many mistakes. 7. I am not sent to prison. She doesn’t visit me 8. I don’t win a big prize in a lottery, so I don’t give up my job. 9. The doctor can’t see many patients because he is so late. 10. We don’t visit them in Hanoi because tickets are expensive.

1. We bought some trees. Our neighbour told us they were on sale. (THAT) -> _________________________________________________________________________________ 2. Hurry up! You will miss the bus. (UNLESS) -> _________________________________________________________________________________ 3. We all respect him. He is an honest man. (BECAUSE) -> _________________________________________________________________________________ 4. Jane is quite warm and friendly. Her sister is quite warm and friendly. (BOTH) -> _________________________________________________________________________________ 5. He had gone. I didn’t have a chance to thank him. (BEFORE) -> _________________________________________________________________________________ 6. The exam was long and difficult. I was completely exhausted at the end. (SUCH) -> _________________________________________________________________________________ 7. I’ll post the CD today. You will get it by the weekend. (SO THAT) -> _________________________________________________________________________________ 8. I’m going to buy a camera with the money. Otherwise, I’m going to buy a DVD player. (EITHER)

cho các động từ, tính từ sau . Hãy thêm vào phía trước mỗi từ những phó từ phù hợp. Đặt câu với các cụm từ tìm được. - Tính từ : xanh, mềm, khô, non -Động từ : uống, đánh, đi

giúp mik với ạ mik sẽ cho 5* + CTLHN + cảm mơn

Giúp m ạ m sẽ vote 5 sao ạ nhanh ạ m cảm ơn ạ

7. $a) Cho a= 4^{16}.5^{25}.Tìm số chữ số của a$ $b) Cho b= 2^{13}.5^{17}.Tìm số chữ số của b$

1.There’s no evidence that life ____________ on other planets. [existence] 2.. He finds his new shirt very _____________. It will be his favorite one. [comfortably] 3. The ____________ looked so strict that she forgot all that she had revised. [examine] 4. The community is grateful for the ____________ of the volunteers. [generous] 5. We are _____________ interested in deforestation. [especial] 6.There will also be thunderstorms over the _____________ highlands. [center] 7.Hung did his homework easily.  Hung had no 8.The pollution in this city was affecting people’s breathing. People’s breathing

b1 một người đi từ a đến b hết 3 giờ,đường dài 107km gồm 3 đoạn.đoạn thứ 1 đi hêt 1h15p vs vận tốc 40km/h,đoạn thứ hai đi hết 1h vs vận tốc bằng 75% vận tốc đã đi ở đoạn đầu,tính vận tốc đi trên đoạn đường còn lại.