Câu hỏi a)Rút gọn biểu thức D b) tìm x để D>2

mấy anh chị giúp em em cảm ơn trước

IV. Put the verbs in brackets into the correct form. 15. I’m sorry, madam, but this lamp ……………………………(already sell). 16. If he had told me the truth, I ……………………………..(not punish) him. 17. My parents would be very proud of me if I……………..(get) a scholarship to England. 18. She was delighted……………….(hear) the news of the examination result. 19. The police are looking for the missing boy. He can’t…………………(find) anywhere. 20. …………….(watch) television without doing other activities is not a good habit for a growing child. 21. If you…………….(go) to bed early last night, you …………………(not feel) sleepy now. VI. Rewrite the following sentences with the given beginning or under the instruction so that the meaning is unchanged. 26. The teacher is going to give us a test next week. => We………………………………………………………………………………… 27. It’s better for you to be here on time. (Rewrite the sentence with SHOULD) => ……………………………………………………………………………………. 28. We left the party late, so we couldn’t get a bus. (Write a conditional sentence) => ……………………………………………………………………………………. 29. They got home late due to the traffic jams. (Make questions for the underlined part) => …………………………………………………………………………………… 30. Our heating isn’t working and I feel cold. => If our heating……………………………………………………………………..

chứng minh rằng biểu thức sau xác định với mọi giá trị của x : √ x ²+2x+3 (dấu căn kéo dài hết nha )

giúp mik vs mik đang rất rất cần gấp ah. ko spam.

ho hình bên biết AE=EF=FB=DH=HG=GC biết tứ giác =15cm2.Tính dt EFGH nếu bố 42tuổi chị 12 tuổi em 7 tuổi hỏi đến năm nào tuổi thì tuôi bó bằng tuổi chị cộng tuổi em

Giải cho em câu 9,14,15 với mọi người

Cho tam giác ABC vuông cân tại A. Trên cạnh AB và AC lần lượt lấy 2 điểm D và E sao cho AD= AE. Trên tia đối của AB lấy F sao cho AF= AD. a/ Chứng minh: Tam giác BAE= tam giác CAF b/ Từ D và A hạ các đường thẳng vuông góc với BE, chúng cắt BC tại I và K. Chứng minh: KI= KC Giúp mình ạ

LÀM ƠN NHANH GIÚP MÌNH, KHÔNG CẦN GIẢI THÍCH GÌ ĐÂU

Use verbs from the box above to complete the sentences. 1. You’ll have to ………………….down when you come to the crossroads. 2. The town council decided to ………………….down the building, as it was unsafe. 3. The small boy …………………..down on the ground and examined the insect. 4. The force of the gale ………………….down hundreds of trees. 5. I know you’re angry, but you should down the …………………..language you’re using. It’s too aggressive. 6. From the time of his arrival in prison, Jones was ………………….down as a troublemaker. 7. It’s a difficult choice, but at least we’ve …………………..it down to five out of the hundred applicants. 8. The escaped convict was finally …………………….down to a hiding place in the Far East. 9. The aim of the popular uprising was to ……………………. down the government. 10. As fewer orders came in, the firm began to…………………….down its sales force. 11. If there is any more subsidence, that cottage will………………..down into the sea. 12. The reporter ………………..down the details of the court case for inclusion in his article. Mình đang cần gấp nagy bây h. Help me!!! THANK YOU!!!!