Adrian A.
asked • 09/25/17Question in my desciptions
25÷72+25÷90+25÷110+25÷132+...+25÷999000=?
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1 Expert Answer
Mark M. answered • 09/25/17
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
Ah, the sequence within a sequence. Notice the denominators!
72 90 110 132 156 182
18 20 22 24 26
2 2 2 2
The series is neither arithmetic not geometric. Standard formulas do not apply.
Should you be savvy enough you could do a "squeeze" with limits.
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Tim C.
09/25/17