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Worship Service(Vespers): 5pm Sunday Evening--Location: 1200 N Campbell Avenue
(edit)
From: dbonilla
Date: Sat Aug 14 23:15:34 MST 2004
Subject: More Math
The statement of James that parallel lines never intersect has an important exception. Mike alluded to a dependent system of two equations. This is a situation somewhat exemplified by certain intersections in Tucson, and I'm admitting Karen's "cultural bias in this car-ridden western land" here. The intersections of Kolb and Grant and of River and Thornydale are, at least on a map, parallel line segments that intersect.
There is perhaps a better "road example" in Phoenix where I-17 and I-10 are one and the same freeway for several miles, although they are not always straight lines.
A more beautiful example is the system {x + y = 1 and 2x + 2y = 2} because the two lines represented by these equations are identical and therefore intersect at EVERY point along their length!
(I'm sorry, Derek, if you do not share my excitement over this, lol.) |
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