Since the order of the selection of files does not matter, this is the concept of combination not permutation.
therefore suppose we want the combination of 5 files that can be selected from 14. This will be given by:
14C5
=(14!)/(9!3!)
=2002
We therefore conclude that there are 2002 ways that 5 files can be selected from 14 files;
10 feet and 11 inches is the answer.
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Answer:
Part 1)
Part 2)
Step-by-step explanation:
we know that
The formula to solve a quadratic equation of the form
is equal to
Part 1)
in this problem we have
so
substitute in the formula
therefore
Part 2)
in this problem we have
so
substitute in the formula
therefore
26 students because if you took the number of lollipops that she won and subtracted the remaining amount you would have 52. 52/2 = 26 (you are dividing by two because she gave two to each student)