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alukav5142 [94]
3 years ago
6

Find 2 consecutive odd numbers given that difference between their resiprocal is 2/63

Mathematics
2 answers:
kramer3 years ago
6 0
Those odd numbers are nine and seven.
Lelu [443]3 years ago
5 0
Consecutive odd numbers are 2n+1, 2n+3

difference of reciprocals
1/(2n+1) - 1/(2n+3) = 2/63
((2n+3) - (2n+3))/(2n+1)(2n+3) =2/63
2/(4n^2 + 8n +3) =2/63
4n^2 + 8n +3 = 63
4n^2 + 8n -60 = 0
n^2 + 2n - 15 = 0
(n + 5)(n - 3) = 0
n = 3 (only positive)
numbers are 2(3)+1=7 and 9
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6 0
3 years ago
QUICK I NEED HELP PLEASE!
seraphim [82]
Assuming you meant is - \frac{3}{5} x+ \frac{1}{5} \ \textgreater \  720

The answer would be :
- \frac{3}{5} x\ \textgreater \ 719.8

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x\ \textless \  \frac{-3599}{3}

Hope this helps !

Photon

However, your equation seems weird :o

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3 years ago
jackie is building a doll house with a scale of 1 inch equals 12 inches. she wants to put a sofa in the doll house living room.
irakobra [83]
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4 years ago
511 kilograms plus what = 720 kilograms
Naya [18.7K]
209 kilograms is the answer. Hope you do well! 
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Read 2 more answers
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