The soccer player runs with a velocity of 3.1 m/s to the east for 4 seconds. then he turns and runs
with a velocity of 3.1 m/s to the north for 5 seconds. explain whether he accelerated. me asap.

The trigonometric ratios sine and secant are reciprocals of each other

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?