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OpenStudy (anonymous):
last term in the series is –191. If there are 25 terms in the series, what is its sum? A)-4550 B)-2275 C)2275 D)4550
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OpenStudy (anonymous):
you need to know first term
OpenStudy (anonymous):
how do i find it ?
OpenStudy (anonymous):
is this geometric or arithmetic
OpenStudy (anonymous):
its geometry
OpenStudy (anonymous):
quadratic functions
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OpenStudy (anonymous):
is r given?
OpenStudy (lalaly):
not enough information
OpenStudy (anonymous):
no r isnt given
OpenStudy (lalaly):
the first term?
OpenStudy (anonymous):
th first term isnt given either
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OpenStudy (lalaly):
are u sure?
OpenStudy (anonymous):
yes
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