Answer: There are 120 different ways we can arrange reindeer.
Step-by-step explanation:
Since we have given that
Number of reindeer = 5
Number of them fly their sleigh = 4
We need to find the number of different ways we can arrange their reindeer .
For this we will use "Permutation":
here, n = 5
r = 4
So, it becomes,
Hence, there are 120 different ways we can arrange reindeer.
I suppose a DJ wants to select 4 different songs, then there are: 12*11*10*9 = 11880 ways to choose them.
If the order of the songs he plays doesn't matter, there are: ways to choose them.
Hi there! :)
<u><em>Answer:</em></u>
<u><em>x=23</em></u>
<u><em>*The answer must have a positive sign.*</em></u>
Step-by-step explanation:
This lesson it's about addition property of equality.
First, you add by 8 from both sides of an equation.
And then, you add by the numbers. Simplify and solve.
Final answer: →
Hope this helps!
Thanks!
-Charlie
Have a great day!
:)
:D