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January 26, 2015

January 26, 2015

Posted by **Haleemath** on Tuesday, May 7, 2013 at 3:50pm.

- Math -
**Steve**, Tuesday, May 7, 2013 at 3:56pma = 2

r = 3

2*729 = 1458

729 = 3^6, so

S7 = 2(3^7-1)/(3-1) = 2*2186/2 = 2186

- Math -
**Haleemath**, Tuesday, May 7, 2013 at 4:39pmSolve the equation simultaneously.1/3x+y=3,x+1/2y=4

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