Answer:
45
Step-by-step explanation:
20 / 9 = 2.222222222223
100 / 45 = 2.222222222223
9 is 45% of 20 and 45 is 45% of 100.
Answer:
720
Step-by-step explanation:
nPk = n!/(n-k)!
10P3 = 10!/(10-3)! = 10!/7!
= 10·9·8 = 720
Answer:
x≤−15
Step-by-step explanation:
What is the 12th term in the sequence?
an=−16+2n
n =term
n=12
Sub n=12
a(12)=-16+2(12)
a(12)=-16+24
a(12)=8