Giải các phương trình sau : a)(3x-1)(x+3)=(2-x)(5-3x) b)(x+5)(2x-1)=(2x-3)(x+1)

cho hình thang cân ABCD có 2 đường chéo AC và BD vuông góc nhau. Biết khoảng cách của 2 đáy là 12.123123cm. Tính diện tích hình thang

II. Complete each sentence with one of these verbs: ​Answer ​apply​ be​ listen make​see​try​use​wash​ work ​ write 41. He tried to avoid …………………………………… my question. 42. Could you please stop……………………………… so much noise ? 43. I enjoy………………………………………to music. 44. I considered……………………………for the job but in the end I decided against it. 45. Have you finished………………………………your hair yet ? 46. If you walk into the road without looking, you risk ……………………………. knocked down. 47. Jim is 65 but he isn’t going to retire yet. He wants to carry on…………………………………. 48. I don’t mind you…………………………the phone as long as you pay for all your calls. 49. Hello ! Fancy………………………….you here ! What a surprise ! 50. I’ve put off…………………………..the letter so many times. I really must do it today. 51. What a stupid thing to do ! Can you imagine anybody………………………..so stupid ? 52. Sarah gave up………………………………to find a job in this country and decided to go abroad. IV. Build a complete sentence with the given words 79. I/look forward/receive/letter/ now.=>…………………………………………… 80. we/not mind/wait/more minutes.=>…………………………………………………… 81. children/busy/collect/shells/beach.=>…………………………………………………………… 82. He/ask/us/help/him/do/thewashing up/yesterday. =>…………………………………………………………… 83. Her mother/force/her/marry/to that man.=>……………………………………………………………

Ai giúp mình bài 4 đi mình cảm ơn

Mọi người giúp Em vs 😳em đag cần gấp Nếu đúng Em sẽ vote 5* nhé 😊

Mn giúp em với ạ, tối nay em phải nộp bài r :<<<<

Exercise 7 .Mae questions with the underlined words 1. I went to bed at 11 o 'clock last night.

write a paragraph about the advantage of living in the countryside

Giúp mik nha. Mik vote 5s III. Rewrite the following sentences , using the given words in brackets 69. They arrived home late. ( he saw ) =>……………………………………………………………………………………………………… 70. . She didn’t want to stay there for the weekend. ( They made her ) =>……………………………………………………………………………………………………… 71. . The teacher allowed me to stay at home to finish the assignment. ( The teacher let ) =>……………………………………………………………………………………………………… 72. The boy ran away from the house. ( She noticed ) =>……………………………………………………………………………………………………… 73. He said that he didn’t want to learn Math. ( I overhear ) =>……………………………………………………………………………………………………… 74. . The policeman told the thief to empty his pockets. ( The police made ) =>……………………………………………………………………………………………………… 75. He left the house early this morning. ( I heard ) =>……………………………………………………………………………………………………… 76. He drove away. ( She stood there and watched ) =>……………………………………………………………………………………………………… 77. The robber came from the back door. ( I could feel ) =>……………………………………………………………………………………………………… 78.. May be the school will ask me to pay some extra money. ( Do you think the school will make ) =>………………………………………………………………………………………………………

câu 4 cho kim loại Fe tác dụng vs axit clohiđric tạo ra 488 ml khí ở điều kiện tiêu chuẩn . khối lượng axit clohiđric đã phản ứng A.0,73 gam B.1,46 gam C.73 gam D.14,6 gam câu 5 khi rót khí CO2 từ cốc B sang cốc A có ngọn nến đang cháy thì ngọn nến tắt điều đó chính tỏ khí CO2 A. nặng hơn không khí và không duy trì sự sống B. không hơn không khí và không duy trì sự cháy C. nặng hơn không khí và không duy trì sự cháy D. không màu, không mùi, nặng hơn không khí e cảm ơn