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OpenStudy (anonymous):
How many terms are in an arith. sequence if the 1st term is 100 and the last term is -14 and d= -2???
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OpenStudy (mayankdevnani):
use this formula: \[\huge a+(n-1)d\] where a=100,d=-2
OpenStudy (mayankdevnani):
@jm432 can you solve it??
OpenStudy (jhannybean):
Already solved...
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