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Answer:
The 75th term of the arithmetic sequence -17, -13, -9.... is:
Step-by-step explanation:
Given the sequence
An arithmetic sequence has a constant difference 'd' and is defined by
computing the differences of all the adjacent terms
The difference between all the adjacent terms is the same and equal to
The first element of the sequence is:
now substitute and
in the nth term of the sequence
Now, substitute n = 75 in the sequence to determine the 75th sequence
Therefore, the 75th term of the arithmetic sequence -17, -13, -9.... is:
Since an <em>octagon</em> has 8 equal sides, multiply the given 35ft length by 8 to get total perimeter.
