Evaluate 15n+19 if n=1/3
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Well set this up like an equation: N / 10 = 15. - We can determine from doing that that what ever N is when divided by 10 it's 15 - so If we multiple 15 and 10 we should get what N is - 15 * 10 = 150. So N = 150. 150 / 10 = 15 because 15 x 10 = 150.
15 x 1/3 = 5
(n2 + n)/2 1+2+3+4+5+n= 15+n
-24
n + 26 = 41 n = 41 - 26 n = 15 Thanks