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777dan777 [17]
2 years ago
7

Compute 900-841+784+...+36-25+16-9+4-1

Mathematics
1 answer:
lukranit [14]2 years ago
5 0

If I understand your sequence, then this is the "closed form" of the sequence:

 a_n = 63 - 4 n

Sum = (59, 55, 51, 47, 43, 39, 35, 31, 27, 23, 19, 15, 11, 7, 3) = 465

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3 years ago
The volume of a cube is 729 cubic inches, what is the area of each face of the cube
ivann1987 [24]
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3 years ago
150% of 66(Need the work shown)
ANTONII [103]
66 is the 100%
we can solve this problem by the rule of three.

Therefore:
66------------------------100%
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Answer 150% of 66 is 99.

Other method:
150% of 66=1.5 *66=99

Answer: 150% of 66 is 99.
4 0
3 years ago
Read 2 more answers
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