quoia89
29.06.2020 •
Mathematics
Find the explicit formula for the arithmetic sequence cn given below. Note that c1=8. 8,17,26,35,44,…
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Ответ:
Step-by-step explanation:
Recall that the general formula for the nth term of an arithmetic sequence is given by:
where
is the first term of the sequence (in our case 8), and 
is the common difference for the sequence (the number that is added to a term in order to get the term that follows. In our case, "9" is the common difference (you can check this by subtraction between any two consecutive terms.
Then, the formula for the nth term of this sequence is
Ответ:
15 ways
1 and 21 and 3 1 and 4 1 and 51 and 62 and 32 and 42 and 52 and 63 and 43 and 53 and 64 and 54 and 65 and 6Hope this helps