Math
posted by Jade .
– 11 is the __________ term of the arithmetic sequence – 847, – 836, – 825, – 814, – 803, …

use
term(n) = a + (n1)d
here a = 847 , d = 11 , n = ?? , and term(n) = 11
solve :
11 = 847 + (n1)(11)
which should be pretty straightforward to do.
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