Expand the following expression by using the distributive method. 3(4x + 5y)
1 answer:
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Answer:
15/2 or 7.5
Step-by-step explanation:
distribute 5/6 to each number
change the fraction 10/3 so that it will have the same denominator as 5/12
= 40/12
divide both sides by 5/6
Answer:
26042.
Step-by-step explanation:
What's the first term of this geometric series?
2.
What's the common ratio of this geometric series?
Divide one of the terms with the previous term. For example, divide the second term -10 with the first term 2.
.
What's the sum of this series to the seventh term?
The sum of the first n terms of a geometric series is:
,
where
is the first term of the series,
is the common ratio of the series, and
is the number of terms in this series.
.