a) (-115)+(-40)+115+/-35/ b) /x-5/-1=6 c) /a/=5 thì a=.... d) 185-3.(x-5)=5.4 ² e) 3^x-1+/-27/=6 ²./3/ LƯU Ý: 3^x-1 là 3 mũ x-1 nha

mot hinh tron co duong kinh la 1,2 thi dien tich cua hinh tron do la

1 ô tô đi từ hà giang về hà nội với vận tốc 60km/h rồi từ hà nội về hà giang vs vận tốc 50km/h. Thời gian đi ít hơn thời gian lúc về 48 phút. Tính quãng đường từ hà giang đến hà nội (giải bài toán bằng cách lập phương trình)

Giup em bài 1 với ạ. Em đang cần gấp lắm. Cảm ơn ngàn lần ạ :p

Một mảnh vườn hình vuông có cạnh 12m . Người ta sử dụng 35% diện tính mảnh vườn để trồng hoa . Tính diện tích đất còn lại

Xin giúp mik vs mik sẽ cho 5* và cảm ơn đầy đủ nhưng mik còn mỗi 10đ à pờ li

giải cả toán và tiếng việt nha các bạn mình cảm ơn

1. Hurry up, or you will...... the last bus A. lose B. avoid C. miss D. drop 2. Puplic.... in this city is very good. It’s not expensive. A. journey B. travel C. vehicle D. transport 3. .... the film was gripping, Tom slept from beginning to end. A. However B. Although C. In spite of D. Despite 4. I have gone to Nha Trang ..... A. three times B. last year C. a week D. yesterday 5. - “I have just received a scholarship.” -“ ....!” A. Really? B. Thank you. C. Well. D. Congratulations! 6. Playing computer games ..... is not good for you. A. so many B. so much C. a little D. a few 7. That’s .....film I have ever seen. A. boring B. more boring C. the most boring D. boringest 8. The opposite of “ safety” is.... A. danger B. dangerous C. dangerously D. dirty 9. I hope that one day robots ... be able to do things people cannot do. A. will B. can C. need D. must 10. One of the bad things about...is that it can make fish die. A. air pollution B. water pollution C. noise pollution D. soil pollution 11. It’s really difficult to ....a bicycle up the hill. A. pedal B. drive C. go D. fly 12. Liz liked……………..….. the dolphin and the color of the cap. A. either B. neither C. both D. none 13. He divided the cake ……………….pieces A. into B. between C. for D. during 14. You’d better ...............less fatty food because it’s not good for your health. A. eating B. to eat C. will eat D. eat 15. - “ What is for breakfast?” - “ .........” A. I’m full B. I’d like some milk C. There is some bread D. Five thousand dong II. Give the correct form of the words. (2p) 1. Nowadays, there are many badminton ( compete) .....................................and even a World Cup. 2. Their ( friend) ................................................has lasted a life time. 3. My mother liked the ( perform) ..............................................of that young pianist. 4. Don’t wait for him. He is ( believe)..................................................... 5. After the ( music)........................... stopped playing, the audience stood and clapped their hands. 6. We couldn’t see the plane because it (appear) .............................................behind the cloud. 7. There is a serious (short).....................................of playgrounds for children in big cities. 8. I think it is a good ( choose) ....................................... in this circumstance. 9. Vesak day is a (religion) ......................................festival for people who follow Buddhism. 10. The students are ( care) ............................................ prepared for the final exam. III. Give the correct form of the verbs in brackets to complete the sentences.(2p) 1. Mr Nam (use) ................................. to cycle to school when he was a student. 2. I hope we ( pass ) ......................................this examination. 3. The greenboard should ( clean) .......................................... after each lesson by the students. 4. Lan! You look quiet. What you (think) ...............................about? – Oh, the result of the test. 5. I last met him last Sunday. We (not/ see) .......................................eachother for nearly a week. 6. When we went home yesterday, my mother (cook) ............................................dinner. 7. In spite of (drive) ......................................to work, he is often late because of traffic jams. 8. It is better for us ( see) .....................................the dentist every 6 months. 9. (Live) ............................................in the countryside is good for your health. 10. Don’t worry. If you don’t understand the lesson, the teacher (explain) .............................it again.

Em hãy viết đoạn văn ngắn nêu cảm nhận của em về dịch bệnh vi rút co ro na. giúp mik với :33

Một vật được ném ngang từ độ cao h so với mặt đất với vận tốc ban đầu v 0 . Tầm xa của vật được tính bằng công thức