The sum of n terms of a geometric series is given by

Substituting the given numbers, you have

There are 6 terms in the series.
Divide any term by the term before it, and you'll get the common ratio of the geometric series.
-81/-27=3
The common ratio is 3.
Answer:
undefined
Step-by-step explanation:
f(x) = 2/ (-5x-10)
Let x = -2
f(-2) = 2/ (-5(-2)-10)
=2/(10-10)
=2/0
= undefined
12 years if interest is paid yearly
12 months if interest is paid monthly
Step-by-step explanation:
2.75% of $1500 is $41.25 interest per period
$1995-$1500 = $495 total interest
$495 ÷ $41.25 = 12 periods
Therefore it takes 12 interest periods to reach $1995, so the answer is 12 months or 12 years depending on how often interest is paid.
Answer:
5/8
Step-by-step explanation:
5/8=0.625
4/9= 0.44