Скласти рівняння еліпса, фокуси якого розміщені на осі абсцис симетрично початку координат, знаючи, що відстань між фокусами2с= 4 і ексцентриситет E=2/20

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.