What number comes next in the series 5, 6, 5, 6, 5, 5, 7, 6, ?
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5 comes next in the series
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a=1st term=5
d=common difference=d
Un=6
Un=a+(n-1)d
6=5+(8-1)d
6=5+7d
6-5=7d
7d=1
d=1/7
substitute 1/7 for d in the equation below to find the next number
Un=a+(n-1)d
=5+(9-1)1/7
=5+8*1/7
=5+8/7
=5+1.14
=6.14
the final answer 6.14 could be approximated to 6.
d=common difference=d
Un=6
Un=a+(n-1)d
6=5+(8-1)d
6=5+7d
6-5=7d
7d=1
d=1/7
substitute 1/7 for d in the equation below to find the next number
Un=a+(n-1)d
=5+(9-1)1/7
=5+8*1/7
=5+8/7
=5+1.14
=6.14
the final answer 6.14 could be approximated to 6.
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