Cho số phức z = a + bi (a,b thuộc R) thỏa mãn $a$ $+$ $(b-1)i$ = $\frac{1+3i}{1-2i}$ . Giá trị nào là môđun của z? A:1 B:5 C: $\sqrt{10}$ D: $\sqrt{5}$

Choose the word or phrase that is not correct in standard English. (0.8pt) 1. I always keep the window open so as to letting the fresh air in. 2. We should plant more trees in order reduce greenhouse gas. 3. He is going to get to work earlier in order impress the boss. 4. Lan tidied the bedrooms and cleaned the windows since yesterday. 5. This is the first time I came to Thai Lan. 6. She haven’t seen her ex-boyfriend since he went to USA. 7. Da Lat is known like a city of pines, waterfalls and flowers.

cho a,b > 0 ; a+b=1 tính gttn của Q= $\frac{1}{a^2+b^2}$ + $\frac{5}{ab}$

Giúp em v ạ em cần đáp án để so

Bạn Hoa có tổng số sách Toán và sách Tiếng Việt lớp 5 là 240 cuốn. Biết số sách Toán bằng 3/5 số sách Tiéng Việt a, Tính số sách Toán và số sách Tiếng Việt b, Bạn Hoa sử dụng 1/3 số sách Toán để ủng hộ trẻ em nghèo. tính số sách toán mà bạn Hoa ủng hộ giúp mik với, mik đang cần gấp lắmmmmmmmmmmmmmmmmmm

the environment is polluted. birds and plants die (makes) →................... (phaỉ giải thích)

mọi người giải giùm mình cái sắp nộp rồi giải xong mình cho 5 sao và 1 like ok thank :))))

Cho 2 đường tròn bằng nhau (O;R) và (O';R) và 2 dây AB,CD bằng nhau theo thứ tự thuộc 2 đường tròn ấy sao cho B,C nằm giữa A,D và AB<2R a,CM AD//OO' b, CM AC=OO'=BD c, Gọi I là trung điểm AD,cm I nằm trên một đường cố định khi các dây AB,CD thay đổi vị trí sao cho AB,CD luôn bằng nhau và B,C luôn nằm giữa A,D

EXERCISE 10: Change the active into the passive. 1. They can't make tea with cold water. .......................................................................................................................2. The chief engineer was instructing all the workers of the plant. ..........................................................................................................................3. Somebody has taken some of my books away. ......................................................................................................................4. They will hold the meeting before May Day. ................................................................................................................................5. They have to repair the engine of the car. .................................................................................................................6. The boys broke the window and took away some pictures. .................................................................................................................................7. People spend a lot of money on advertising everyday. ..............................................................................................................8. They may use this room for the classroom. ........................................................................................................................9. The teacher is going to tell a story. ..........................................................................................................................10. Mary is cutting the cake with a sharp knife. ..........................................................................................................................11. The children looked at the women with a red hat. ............................................................................................................................12. They have provided the victims with food and clothing. ......................................................................................................................13. The teacher explains the lesson. ....................................................................................

EXERCISE 9: Change the active into the passive. 1.The waiter brings me this dish. .......................................................................................................................... 2.Our friends send these postcards to us. ............................................................................................................... 3.Their grandmother told them this story when they visited her last week. ......................................................................................................................................... 4.Tim ordered this train ticket for his mother. ................................................................................................................................... 5.You didn't show me the special camaras.. ............................................................................................................................................... 6.She showed her ticket to the airline agent. ............................................................................................................................................. 7. When will he lend his friend his new shoes? ................................................................................................................................................ 8.She left her relatives five million pounds. ................................................................................................................................................... 9.The shop assistant handed these boxes to the customer. ................................................................................................................................................ 10.The board awarded the first prize to the reporter. ..................................................................................................................................................... 11.Have you sent the christmas cards to your family? ......................................................................................................................................................... 12.The committee appointed Alice secretary for the meeting. ..................................................................................................................................................... 13.He hides the broken cup in the drawer. ............................................................................................................................................ 14.They keep this room tidy all the time. ........................................................................................................................................... 15.They all voted the party a great success. ................................................................................................................................................ 16.We gave Ann some bananas and some flowers. .................................................................................................................................................. 17.They moved the fridge into the living room. ...................................................................................................................... 18.She bought some cups of tea to the visitors in the next room. .................................................................................................................................................. 19.They find the new project worthless. ............................................................................................................................................... 20.Who wrote the poem? ....................................................................................................................