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The answer is D and C is option are required.the equation of line passing through P is y-8 = m(x-4) by using option D Slope of line = (-1/2) Because slope of parallel line are equal. [slope of 4x+8y+12 = 20 is m =(- coefficient of x)/(coefficient of y) = (-4)/8 = -0.5] => y-8 =-0.5(x-4) or 2y+x = 12...
- by jermy
Thu Jul 11, 2013 4:15 am- Forum: GMAT Math
- Topic: Coordinate Geometry Question
- Replies: 7
- Views: 5470
Circular permutation could happen as the result of evolutionary events, post translational modifications, or unnaturally engineered mutations. The two primary models suggested to explain the evolution of circularly permuted proteins are permutation by duplication and fission and fusion.
- by jermy
Thu Jul 11, 2013 2:26 am- Forum: GMAT Math
- Topic: What is the logic behind Circular Permutation ?
- Replies: 5
- Views: 4419
- by jermy
Mon Jul 08, 2013 11:28 pm- Forum: GMAT Math
- Topic: Number Sufficeny
- Replies: 6
- Views: 2337
geomatry
According to the triangle inequality rule sum of two sides is greater than third side and difference of two sides in less than third side, so
2 +7 >k and 7-2<k
9>k>5
therefore k is either 6 or 7
but given that k<7
hence k will be 6