Answer:
There are 10 possible ways the student can schedule the three classes
Step-by-step explanation:
The college student is choosing 3 classes to take during the first, second, and third semester from 5 electives.
Therefore, the student is choosing 3 items from a total of 5 and the order is not of key concern here. This is thus a combination problem;
5C3 = 10
read as 5 choose 3
The above mathematical operation can be performed using any modern calculator.
Answer:
55
Step-by-step explanation:
You can do:
81 - 26 = 55
The sum of the angles (81) minus the angle that is represented (21)
Answer:
48:26.075
Step-by-step explanation:
Answer:
multiply the whole equation by -1
Step-by-step explanation:
it would look like
-1(–ab + bc + ca)
negatives multiplied make a positive and a negative and positive multiplied makes a negative so the end result is
ab – bc - ca