Tính diện tích phần gạch chéo trong hình bên biết diện tích hình vuông là 20cm ²

một bóng đèn có ghi 12V, được mắc trong mạch điện với hiệu điện thế U1=6V thì cường độ dòng điện là I1, nếu hiệu điện thế đặt vào là U2=9V thì cường độ dòng điện là I2. so sánh cường độ dòng điện I1 với I2 ? giải thích?

Em viết khoảng 90 từ về việc hàng ngày của em bằng tiếng anh

Giúp vs mấy ac giỏi văn T-T 1 bài thôi Ai nhanh e vote cho 5 sao+ctlhn+mơn<3

Một lớp học có 19 bạn học sinh trai , số học sinh gái nhiều hơn số học sinh trai 2 bạn . Hỏi lớp đó có bao nhiêu phaanf trăm học sinh trai , bao nhiêu phần trăm học sinh gái ? Làm ntn vậy

giúp mình với ạ :((( 2: It’s no use___ ask him ____us. A. asking / helping B. asking / to help C. to ask/ helping D. to ask / to help 3: My handbag was stolen ______we were playing tennis. A. before B. while C. after D. during 4 If I had enough money , I __ a good dictionary. A. would buy B. would have bought C. will buy D. will have bought 5: He ____________me that if he were me, he would do that work. A. told B. said to me C. said D. says 6. Lan : “I’ve passed my exam.” Mai : “_______________________” A. Good luck. B. That’s a good idea. C. It’s nice of you to say so. D. Congratulations! 7. Before I started the car, all of the passengers _________________ their seat belts. A. have buckled B. had buckled C. will buckle D. was buckling 8. How many______ are there in the competition?A. participative B. participants C. participates D. participations 9: I am so ______ that I cannot say anything, but keep silent. A. nervously B. nerve C. nervous D. nervousness 10: ___________ is a holiday in Vietnam celebrated on September 2nd every year. A. Teachers' Day B. Mother’s Day C. Thanksgiving D. Independence Day 11: There was __________ shortage of food and safe water after the flood.A. Ø B. an C. a D. the 12: Mr. John thanked me___________ helping him with the homework. A. to B. for C. of D. on 13: __________it was a formal dinner party, James wore his blue Jeans.A. Even though B. Since C. Only if D. Until 14.I have nothing in ______ with Tim A.together B.common C.commonly D.altogether 15.The doctor advised____ late A.me not staying up B.me not stay up C.me not to stay up D.I did not stay up 16.Claire has a wide circle of friends and______ A.neighborhood B.acquaintances C.friendship D.relations 17.The local people are very ______ to strangers A.comfortable B.hospitable C.enjoyable D.familiar 18.Mary's children are used to _____ after school every day. They don't have to walk home A.picking up B.being picked up C.be picked up D.pick up 19.Mrs. Kelly didn't want______ on A.to be operated B.being operated C.to operated D.to be operating 20.We would like _______ to the president's reception, but we weren't. A.having invited B.having been invited C.to have invited D.to have been invited 21. He is very successful..............his job. A). at B). in C). for D). from 22. Does the grass need............? A). to cut B). be cut C). cutting D). cut 23. Friendship is a ............. affair, giving and taking. A. two-side B. two-sides C. two-siding D. two-sided 24. Would you please ........... him speak about the new plan? A. let B. allow C. ask D. tell 25. I want to have my shoes ............ A. repair B. repairing C. repaired D. to repair 26. The doctor made me ............... in bed for a week. A. staying B. stay C. stayed D. to stay 27. Good friendship should be based on mutual .......... .A. trust B. understanding C. sympathy D. All A, B, C 28. The new engine in Jack’s car couldn’t be repaired, so he had to …..A. has a new engine fitted B. have a new engine fitted C. have a new engine fit D. get a new engine fit 29. “Did Jane paint the house herself?” – “No, she….” A. has it painted B. have it painted C. had it painted D. had it paint 30. Helen’s house ….. before they moved in. A. have been painted B. was painted C. had been painted D. painted 31. She can’t swim and I can’t _________a. also b. either c. neither d. too 32. Peter doesn’t like scuba-diving. _________ does his brother a. Too b. Neither c. Either d. So

topic 5 nói về 1 sản phẩm công nghệ đc yêu thích - smart watches - human like robots

viết một đoạn văn TA về robot dựa theo unit 12 lớp 6 LƯU Ý: TỰ VIẾT,KO SAO CHÉP MẠNG

Mọi người cho em xin bài tham khảo "cảm nhận về bé thu trong đọc trích dưới đây với ạ Mong là có trong ngày mai ạ,vì em sắp thi rồi 😢😢😢

Quãng đường từ A đến B dài 180k m .Một ô tô từ A đến B hết 3 giờ.Cùng lúc đó một xe máy từ B về A với vận tốc bằng 1/2 vận tốc ô tô.Hỏi kể từ lúc bắt đầu đi, sau mấy giờ hai xe gặp nhau???