Biểu thức `x-2` nhận giá trị âm `=>|x-2|=?` `x-2` nhận giá trị dương `=>|x-2|=?`

Ai giúp mình với ạ cảm ơn MN trc

Giúp e vs 5 sao + tnhn+ cảm ơn cho mn

Choose the best option to complete each of the following sentences. 1.When she__________home, her husband__________after the children last night. A.came/looked B.was coming/ looked C.came/was looking D.was coming/ was looking 2.His lecture was so________that nobody wanted to listen to it. A.boring B.bore C.boringly D.bored 3. When I got to the station, my pen pal ……………………. for me. A. had waited B. was waiting C. were waiting D. waited 4. My mother can’t stand …………………….me at home all day. A. to see B. see C. being seen D. seeing 5. Please _________ your seatbelt. The plane is taking off. A. fast B. fasten C. fastly D. faster 6. John is studying hard. He doesn’t want to fail the next exam. A. John is studying hard in order not to fail the next exam. B. John is studying hard in order that he not fail the next exam. C. John is studying hard so as to fail the next exam. D. John is studying hard in order to not to fail the next exam. 7. We wanted to stop ____some gifts, but we didn’t have enough time. A. buying B. to buy C. buy D. being bought 8. My son insists on having a package tour to Singapore ____ the high cost. A. Although B. despite C. Because of D. as 9. In the near future,a teacher will act more like a(n)…………..than a giver of knowledge A.instructor B. facilitator C.speaker D.listener

cho parabol y= x^2 và đường thẳng 9(d) :y=ax+3 a, chứng minh rằng (d) luôn cắt (P) tại hai điểm phân biệt

Giúp mk với Mk cần gấp Nhớ phải làm đúng và nhanh

💞Vẽ hình dưới,yêu cầu có màu,lâu cx đc nhưng vẽ phải đẹp😌 N/l:tui mà có đồ ăn như này chắc một miếng là hết luôn🙂,sắp gãy tay vì đặt quá nhiều câu òi

Xác định các chất và hoàn thành các dãy biến hóa sau : A + B → C + H₂⇧ C + Cl₂ →D D + NaOH →E⇩ + F E →Fe₂O₃ + H₂O

I. Cho dạng so sánh đúng của tính từ trong ngoặc. 1. This house is.....................than that one. (old) 2. Vietnamese are...................than English (difficult) 3. My father has...........................money than my mother (much) 4. This building is the.................of the all of building in the city(tall) 5. Lan is .........................than Mai (intelligent) 6. Hung is the.......................student in our class (good) 7. My dad drinks .........................beer than your dad (little) 9. Summer is the ......................... .season in the year (hot) 10. She has .................homework than me( a little) II.. Cho dạng so sánh đúng của tính từ trong ngoặc. 1, Lan does the housework (well) …………………… than Tuan does. 2, Farmers have (little) …………………… time off than workers do. 3, They produce (much) …………………… milk this year than previous years. 4, You should do all the (far) …………………… practice in this book. 5, There are (many) …………………… vehicles in the street. 6, His health gets (bad) …………………… and (bad) …………………… 7, Tuan writes his essay (badly) …………………… than Ba does. 8, His writing is (good) …………………… in the class. 9, He does his exam (badly) …………………… in the class. 10, She is lazy. She works (little) …………………… among her friends. 11, My son is (quick) …………………… at doing Math than his (old) …………………… sister. 12, A car can go (fast) …………………… than a bicycle. 13, Now farmers have an (easy) …………………… life than in the past. 14, Who is the (tall) …………………… person in your family? 15, We have (little) …………………… money than them so it is the (good) ……… car we can buy.

Cho đường tròn (O) và điểm A nằm ngoài đường tròn. Từ A kẻ tiếp tuyến AM (M là tiếp điểm) và cát tuyết ANP với đường tròn (O). Gọi E là trung điểm của đoạn thẳng NP. Chứng minh 4 điểm A, M, O, E cùng nằm trên một đường tròn Hãy giải thích một cách thật dễ hiểu để một người bình thường hiểu nha :>