There are 7 math books, 9 science books and 5 literature books. Student has to select 2 books from each set.
This is a combination problem.
Number of ways to select 2 math books from 7 books = 7C2 = 21
Number of ways to select 2 science books from 9 books = 9C2 = 36
Number of ways to select 2 literature books from 5 books = 5C2 = 10
Total number of ways to select 2 books from each set = 21 x 36 x 10 = 7560 ways.
So there are 7560 ways to select 2 books from each set of seven math books, nine science books, and five literature books
Answer:
semoga jawapan ini dapat membantu
Answer:
{x,y} = {115/17,-23/17}
Step-by-step explanation:
I believe its true.
The answer to this problem is letter d
Answer:
Step-by-step explanation:
496m=8h
Figure for 1 hour.
496/8=62
Now do
62x6=372m
Yes, you are correct.