.Một vật dao động điều hòa trên quỹ đạo thẳng dài 10cm. chọn gốc thời gian là lúc vật qua vị trí x = 2,5cm và đi theo chiều dương thì pha ban đầu của dđ là:

1. Peter is very ........................in learning English vocabulary (interest). 2. The little girl often wears......................clothes to parties (color). 3. The teacher is using..........................methods to teach reading (tradition). 4. A lot of............................came to visit Ha Long Bay last year (tour). 5. Many...........................make our life easy and comfortable (invent). 6. As a child, he received most of his..........................at home (educate). 7. They have a house in the .............................part of the city (center). 8. The doctor is talking about the.......................of vegetable (important). 9. All............................to New York today are delayed (fly). 10. On New Year Holiday, our mother always cook.......................food for our family.(tradition). 11. The ..................of the telephone made talking to people from far away possible. (invent). 12. President HCM was the .........................of Vietnamese Communist Party.(found). 13. Bill Gates is an important and .....................person in the computer Industry. (succeed). 14. He was very serious about when he was young. He loved ....and hated losing. (win). 15. Nguyen Manh Tuong was one of the best .............................. in the 22nd SEA games in Vietnam.(participate).

Làm hộ mình bài với mình cảm ơn

tính tổng : C=5^100-5^99+5^98- ...+5^2-5^1+1

X + 3/4 = 3/5 + -4/3 X + 7/2 = -2/3 - 3/5 5/8 - X = -3/10 X - 2/7 = 7/21 -X - 3/4 = -8/13 11/12 - ( 2/5 + X ) = 2/3 Giúp với ạ

Hình chữ nhật ABCD gồm hình thang ABCE và hình tam giác AED có kích thước như hình vẽ . a, Tính diện tích hình thang ABCE . b, Tính diện tích hình chữ nhật ABCD . c, Tính diện tích tam giác ADE . Em cần gấp ạ

Làm giúp mik câu 9 nha hứa vote 5sao

cho (p) y=-2x^2 và (d) y= x-3 vẽ đồ thị

helppppppppppppppppppppppppppppppppp

I. CHOOSE THE ANSWERS. ( PHRASAL VERBS) 53. The plane will ________ at 06.30 so you must be there at 06.00. A. take after B. take down C. take off D. take up 54. The thieves waited until it was dark enough to ___________his house yesterday. A. broke into B. broke out of C. broke away D. broke through 55. The bomb missed it mission then __________. A. went down B. went off C. went through D. went away 56. The earth is a(n) ___________. A. satellite B. state C. planet D. star 57. I borrowed this coat _________my father. A. from B. to C. at D. by 58. If you need an extra bed for your guest, you can use one of __________. A. our B. us C. ours D. we 59. We went by car but the children went _________foot. A. on B. by C. to D. with 60. Buddhism is an __________. A. group B. religion C. association D. imagination 61. Lan ________the peaceful atmosphere while Maryam was praying. A. enjoying B. has enjoyed C. enjoyed D. enjoy 62. I wish I ______ you some money for your rent, but I am broke myself A. can lend B. would lend C. could lend D. will lend 63. There are several books by Hemingway on this __________. A. shelf B. platform C. cupboard D. support 64. I was so tired that I ________asleep in the chair. A. got B. felt C. went D. fell