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

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hartnnBest ResponseYou've already chosen the best response.0
do u know the n'th term formula for arithmetic series?
 one year ago

starrhunterBest ResponseYou've already chosen the best response.0
I know the formula i just always have a hard time plugging numbers in
 one year ago

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

starrhunterBest ResponseYou've already chosen the best response.0
but you already put what they equal??
 one year ago

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

starrhunterBest ResponseYou've already chosen the best response.0
but that isn't one of the answers I am doing something wrong
 one year ago

blondie16Best ResponseYou've already chosen the best response.1
you multiplt 24 by 6 first then add 9
 one year ago
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