Carl has three lengths of cables, 5/6 yard long, and 2/3 yard long. If he uses 1 yard of cable, how much cable is left?
1 answer:
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Answer:
The sequence above is a geometric sequence
For an nth in a geometric sequence
where n is the number of terms
a is the first term
r is the common ratio
From the question
a = 45
r = 15 / 45
The explicit formula for the sequence is
U(n) = 45(1/3)^n-1
Hope this helps you