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Alexa Simon
Mathematics
30 October, 08:31
Given {27,15,3,-9, ... } find a11
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Delilah Larsen
30 October, 08:38
0
-91
Step-by-step explanation:
a1=27
d=15-27=-12
an=27 + (n-1) (-12) = 27-12n+12=39-12 n
a11=39-12 (11) = 39-132=-91
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Yaka
30 October, 08:40
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Answer: - 21, - 33, - 45
Step-by-step explanation:
each next number is being subtracted by 12 so
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