b)Viet phuong trinh duòng tháng di qua diem A(1; 2) và có vécto phap tuyen (3;-4). 相关知识点: 试题来源: 解析 b) Phương trình đường thẳng △ đi qua điểm A(1;2) và có vectơ pháp tuyến (3;-4) là (△):3(x-1)-4(y-2)=0...
118. Cho hàm só y=-x-x2+6 có dó thì ( C ). Viet phuong trinh tiép tuyen cú a dò thi ( C ), Biét tiep tuyèn vuōng gò c vó i duòng thǎng y=x-1. C A. y=-6x+6 B. y=-6x+8 C. y=-6x+10 D. y=-6x+12 相关知识点: 试题来源: 解析 C 反馈 收藏...
2x+1Ox. Oy Cau 32: Cho hàm so y=(2x+1)/(x-1) . Viet phuong trinh tiep tuyen cua biet Tiep tuyen cat làn A.B OAB1luot tai sao cho tam giac co dien tich bang 6. D4 A.y=-3x+1.y=-3x+11.y=-12x+2. y=-4/3x-1/33 3 B.y=-3 x+L .y=-3x-11.y=-12x-2...
Cau 8. Cho ham so y=-5x^2+2x-1cod thi (C). Viet phuong trinh tiep tuyen cua do thi (C), biet rāng tiep tuyen dó song song vi duòng thǎng y=-8r + 3. B Ay=1/8x+1 B y =-8x +4.y=-8x-4.D y=-8r+5. 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
doi:10.3390/w14223645Nguyen, Minh TuanNguyen, Thao PhuongPham, Tung HuuDuong, Thuy ThiDo, Manh VanTrinh, Tuyen VanNguyen, Quynh Thi XuanTrinh, Viet M.Water (20734441)
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Natural disasters in the Central Highlands of Vietnam are increasing and therefore becoming a concern for the provincial governments. The local authorities’ recent ability to respond to natural disasters in the region is considered ineffective, as evide