Write an equation in slope-intercept form for the line that passes through the given point and is parallel to the given line.
1 answer:
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Answer:
Step-by-step explanation:
You need the Law of Cosines for this, namely:
where x is the missing side.
and
so
x = 18.0 or just 18
Answer:
see explanation
Step-by-step explanation:
The ones ticked are correct
Given
6 + 18 + 54 + 162 + 486
There is a common ratio r between consecutive terms, that is
18 ÷ 6 = 54 ÷ 18 = 162 ÷ 54 = 486 ÷ 162 = 3
This indicates the series is geometric with explicit formula
= a
where a is the first term and r the common ratio
Here a = 6 and r = 3, thus explicit formula is
= 6
The series in summation form with 5 terms in the series is
∑ 6 for k = 1 to 5
Sum = 6 + 18 + 54 + 162 + 486 = 726