There are 20 students on the varsity baseball team. nine of the students will be on the starting lineup. the coach calls out the names of the players on the list in no particular order. how many different list of students could be read?

167,960

Step-by-step explanation:

Number of combinations of n things taking r at a time is given by :-

Given : There are 20 students on the varsity baseball team.

9 of the students will be on the starting lineup.

The coach calls out the names of the players on the list in no particular order (so we use combinations).

Then, the number of different list of students could be read is given by :-

Hence, the number of different list of students could be read= 167,960

20

step-by-step explanation:

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: