Answer: First Option : Sₙ= n/2(a₁ + aₙ)
Step-by-step explanation:
The nth partial sum of an arithmetic sequence or the sum of the first n terms of the arithmetic series can be defined as the sum of a finite number of term in an arithmetic sequence.
It is calculated using the formula:
Sₙ= n/2(a₁ + aₙ)
Where :
a₁ = First term
aₙ = last term
n = number of terms
Answer:
u should add 118/9
Step-by-step explanation:
please mark me as brainlest
Answer:
c
Step-by-step explanation:
f(x) =10 (20)=200
Answer
1. 90% 2. 10%
Step-by-step explanation:
50 /10=5 which means that 5 people equal 1 percent
45/50=.9
.9*100=90 which is the percent of right handed people
