Answer:
this is a function
Step-by-step explanation:
the x does not repeat itself
Answer:
120 ways
Step-by-step explanation:
To solve the question above, we use combination formula:
Where ;
nCr = n! / (n-r)! r!
10C7 = 10! / (10 - 7)! 7!
10C7 = 10! / 3! 7!
10C7 = (10 * 9 * 8) / 3 * 2 * 1
10C7 = 720 / 6
= 120 ways
No.
Pi is an irrational number, because it keep repeating with no end. So 3π is irrational.
Answer:
It is very easy to find the area of triangles, and if we can turn a polygon into triangles, then we can find the area of the polygon easier.
