in a triathlon an athlete swims 750m in 15 minutes cycles at an average speed of 40km/h for 30 minutes and runs 5km at an average speed of 3 m/s. find his average speed for the entire competition giving you answer in km/h

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 104 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 105 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0