Giải pt (2x + 5)^2 = (3x - 1)^2 4x^2 (x - 1) - x + 1 = 0 9 (2x + 1)^2 = 4(x - 5)^2

Hình nào sau đây biểu diễn đúng trọng lực tác dụng lên vật có khối lượng 5kg?

Ai giải hộ e với ạ e đg cần gấp lắm luôn ấy

giải thích nghĩa của các câu tục ngữ trên theo bảng sau , nội dung , nghệ thuật , giá trị thực tiễn :đói cho sạch , rách cho thơm , ăn quả nhơ kẻ trồng cây trong những câu trên câu nào là câu rút gọn thành phần nào đc rút gọn và cho biết tác dụng của việc rút gọn

Giải giúp em với ạ Trình bày như công thức trên đấy ạ

Write an outline about your best friend

36.You might fall if you’re not careful. A. Unless you are careful, you might not fall. B. If you are careless, you cannot be easy to fall. C. Be careful or else you will have a fall. D. You are not careless and you could not fall. 37.I spoke slowly and clearly. I wanted the foreigner to understand me. A. I spoke slowly and clearly so that the foreigner could understand me. B. I spoke so slowly and clearly that I wanted the foreigner to understand me. C. I spoke not only slowly but also clearly and the foreigner understood me. D. The foreigner could understand me easily as I spoke slowly and clearly. 38. "Please don’t tell anyone my new address, Tom," said Jane. A. Jane told Tom to tell everyone her new address. B. Jane asked Tom not to tell anyone her new address. C. Jane said to Tom and anyone else her new address. D. Tom wanted Jane to know his new address. 39.I think you’ll find the house easily, as the directions are quite clear. A. I think you’ll find the house easily if the directions are clear. B. I think the directions are not clear, but you’ll find the house easily. C. The house is quite clear on the map, so you don’t have to find it. D. The directions are quite clear, so you ought to find the house easily. 40. It is impossible to cross the road in the rush hour because of the traffic. A. People usually find it difficult to cross the road in the rush hour. B. People cannot cross the road in the rush hour because of the traffic. C. In the rush hour people are not allowed to cross the road because of the traffic. D. The traffic makes it possible for people to cross the road in the rush hour.

Cho hình bình hành abcd có hai đường chéo AC và BD cắt nhau tại o và AC = 2 x AB vẽ BK là trung trực của tam giác abo chứng minh góc ABK bằng góc ACB gọi m là trung điểm của BC chứng minh MK vuông góc với BD

31.People usually wear clothing with two basic purposes: warmth and decoration. A. wear B. with C. basic D. warmth 32.Many of the houses damaging in the storm belonged to the poor villagers. A. Many of B. damaging C. in the storm D. the poor 33.Alike other forms of energy, natural gas may be used to heat homes, cook food and even run automobiles. A. Alike B. may be C. heat D. cook 34.My uncle is now a businessman, so he has got only a few time for entertainment. A. is now B. so C. a few D. for 35.Although her severe pain, she tried to walk to the auditorium to attend the concert. A. Although B. severe C. to walk D. to attend

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