Answer:
d. 20
Step-by-step explanation:
The number of permutations of n things taken k at a time is ...
nPk = n!/(n-k)!
5P2 = 5!/3! = 5·4 = 20
Since there are three black shirts and 7 blue shirts, he has a 3/10 chance of picking a black.
Answer:
repeating decimal
Step-by-step explanation:
Answer:
The horizontal distance traveled by the ball before it hits the ground is 550 ft
The graph in the attached figure
Step-by-step explanation:
we have
Using a graphing tool
we know that
The horizontal distance traveled by the ball before it hits the ground is equal to the horizontal distance from the origin to the x-intercept of the graph
so
The horizontal distance is 550 ft
see the attached figure