bốn thửa ruộng nhà bác an, ba , đạt, lan thu hoạch được 1,2 tấn gạo. SỐ thóc thu hoạch được của bác an , ba, đạt lần lượt là 1/3; 0,3; 15%.tính khối lượng thóc nhà bác lan thu hoạch được là

The slope of a velocity time graph over any interval of time gives the during that interval

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)