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starrhunter
 2 years ago
What is the 25th term of the arithmetic series 9, 15, 21, ...? (3 points)
151
152
153
154
starrhunter
 2 years ago
What is the 25th term of the arithmetic series 9, 15, 21, ...? (3 points) 151 152 153 154

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hartnn
 2 years ago
Best ResponseYou've already chosen the best response.0do u know the n'th term formula for arithmetic series?

starrhunter
 2 years ago
Best ResponseYou've already chosen the best response.0I know the formula i just always have a hard time plugging numbers in

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.0ok, 1st term a1 = 9 common difference d=159 = 6 n=25. plug them in and tell me what u get ?

starrhunter
 2 years ago
Best ResponseYou've already chosen the best response.0but you already put what they equal??

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.0an = a+(n1)d so, a25 = 9+(251)6 can u find a25 ?>

starrhunter
 2 years ago
Best ResponseYou've already chosen the best response.0but that isn't one of the answers I am doing something wrong

blondie16
 2 years ago
Best ResponseYou've already chosen the best response.1you multiplt 24 by 6 first then add 9
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