A certain arithmetic sequence has this explicit formula for the nth term:
2 answers:
The number 6 could replace the gap :)
Answer:
Answer is 6
Step-by-step explanation:
Given that there is an arithmetic sequence and has an explicit formula for the nth term as

Since n can be any natural number, let us substitute n =1 to find the I term

Let us find the 2nd term by substituting n=2

Common difference = d= 
Hence from I term a and common difference d, we find the any term can be obtained by adding 6 to the previous term
i.e. 
6 is the answer
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Step-by-step explanation:
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0.5x + 78.2 = 287
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