Giúp m với, hứa vote 5 sao + câu tl hay nhất Tìm x để biểu thức: M=(2x)/(x+2)+(2)/(x-2)+-(x^2+4)/(x^2-4) có giá trị là 0.

Mìn mấy bn giúp mik trọng khoảng thời gian gần bt nhất ạ

Mn giúp m với ạ mình vote 5 sao mình cần gấp Mình cảm ơn nhiều ạ

Dụng cụ nào sao đ y không phải là nguồn điện? A. Pin. B. bóng đèn điện đang sáng. C Đinamô lắp ở xe đạp. D. Acquy

Cho tam giác MNP có góc N=90 độ, góc P= 30 độ. Kẻ đường cao NH, trên đoạn HP lấy điểm K sao cho MH=HK. Từ P kẻ PE vuông góc với NK. a)Chứng minh: tam giác MNH= tam giác KNH b) So sánh NH và KP c) Gọi giao điểm của NH và EP là Q. Chứng minh QK vuông góc với NP d) Chứng minh HP=3.HM Các bạn làm giúp mình với

a) Tìm các cặp tam giác bằng nhau trên hình. Giải thích vì sao? b)Vẽ BH AD, CK AC, chứng minh KC = HB. Chứng minh KC = HB và ΔABH = ΔACK. b)Vẽ BH AD, CK AC, chứng minh KC = HB. Chứng minh KC = HB và ΔABH = ΔACK. c) Gọi . C/m AI là tia phân giác của góc KAH.

Định luật Fa-ra-day về suất điện động cảm ứng trong mạch kín? Công thức? Chú thích công thức?

1. Construct a sentence from the words given: When/ they/ arrive/ shop/ buy/ fridge/ they/ know/ all/ fridges/ sell. A. When they arrived at the shop to buy a fridge, they knew that all fridges had been sold. B. When they arrived at the shop to buy a fridge, they knew that all fridges have been sold. C. When they arrive at the shop to buy a fridge, they know that all fridges had been sold. D. When they arrived at the shop to buy a fridge, they knew that all fridges had sold. 2. Change the following sentences into Passive voice: Rescue workers had taken local people to a safe place. * A. Local people had taken to a safe place by rescue workers. B. Local people had been taken to a safe place by rescue workers. C. Local people was taken to a safe place by rescue workers. D. Local people took to a safe place by rescue workers. 3. Change the following sentences into Active voice: All of the buildings in my neighbourhood were destroyed by the hurricane. * A. The hurricane was destroyed by all of the buildings in my neighbourhood. B. The hurricane had destroyed all of the buildings in my neighbourhood. C. The hurricane destroyed all of the buildings in my neighbourhood. D. The hurricane destroyed by all of the buildings in my neighbourhood.

5728 m2=0,5728.... 2070.....=0,2070 ha. 412m2.....=2,0076m2

l. using passive voice 29. Turn on the lights!​​​ 30. Close the door!​​​ 31. Her hair is very long (cut) She has to​​​ 32. The taxi driver collected us. (Had)​​​​ 33. The mechanic fixed the brakes. (Had)​​​ 34. We read the newspaper every day at home (deliver) We​​​ 35. My husband looked after our children. (Got)​​​ 36. There was a mistake in their accounts (check) They​​​ 37. The nurse will take your temperature. (Have)​​​​​​ 38. The teacher checked my writing. (got)​​​ 39. Your suit looks very dirty (clean) You should​​​ 40. The shop assistant gave me a discount. (got)