Search found 7 matches
Looks like a pretty simple question, let me know if I got it right!
(6+0+x)/3 = 3 and (0+0+y)/3 = 2 --> (3,6)
- by simpdimp
Wed Jul 02, 2008 10:33 pm- Forum: GMAT Math
- Topic: GMAT Prep - Tough PS Triangle, Coordinate Geometry
- Replies: 4
- Views: 3175
- by simpdimp
Wed Jul 02, 2008 10:24 pm- Forum: Problem Solving
- Topic: Can any one work this out and give a explaination?
- Replies: 4
- Views: 2340
Check these Math formulas link
Check this page it has links to some cool formulas.
http://www.ajdesigner.com/index_math.php
Check the Triangle Equations Calculator, some of the formulas related equilateral and right angle triangles may help save time.
- by simpdimp
Mon Jun 30, 2008 7:09 pm- Forum: GMAT Math
- Topic: Check these Math formulas link
- Replies: 0
- Views: 2921
C is correct, it certainly took me some time to figure that out. 1. The first option says, "Since the population divided two hours ago"; this could be at the end of 2nd hr or 3rd or even 4th. So not sufficient 2. Second one essentially means at the end of 3rd hour there are 40,000 cells, b...
- by simpdimp
Mon Jun 30, 2008 7:01 pm- Forum: GMAT Math
- Topic: Can anyone explain this one for me?
- Replies: 6
- Views: 4616
how many triangles?
X coordinate has 10 possible values between -4 and 5 Y coordinate has 11 possible values between 6 and 16 1. Fix P first, P can have 10 values across X axis and 11 across Y axis. So, that's 11*10 = 110 2. Since PR is parallel to X axis, R is on the same line as P. So, R has 9 (10-1) values left alon...
- by simpdimp
Mon Jun 30, 2008 6:01 pm- Forum: Problem Solving
- Topic: how many triangles?
- Replies: 29
- Views: 25729
Can anyone explain this one for me?
It says that the "The population of the bacteria multiplies at a constant rate". It doesn't matter if you calculate at 1/2 hr rate or 1 hr rate.
- by simpdimp
Mon Jun 30, 2008 5:30 pm- Forum: GMAT Math
- Topic: Can anyone explain this one for me?
- Replies: 6
- Views: 4616
Princeton Review Math Bin 4 Question
The first statement is 1) x-y = 7 --> (x-y)2 = 49 --> x2-2xy+y2 = 49!
- by simpdimp
Tue Jun 24, 2008 11:56 am- Forum: Problem Solving
- Topic: Princeton Review Math Bin 4 Question
- Replies: 3
- Views: 2030