Dòng điện kín có dạng tam giác vuông cân tại đỉnh A, cạnh BC có độ dài 20 cm , cường độ I 20A  như hình vẽ, đặt trong không khí. Xác định vectơ B tại điểm M là trung điểm của BC.

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

The equation |pl = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn? o o -2 2 oor 2 -2 or 2 o