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OpenStudy (anonymous):
OpenStudy (anonymous):
Whats the question?
OpenStudy (anonymous):
oh nvm
OpenStudy (raymonde20):
Its the second or first.
OpenStudy (anonymous):
I think its the 1st or 4th let me see
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OpenStudy (anonymous):
I was more looking for a step by step typa thing
OpenStudy (anonymous):
so do you know what the things in parenthesis represent? the entire thing?
OpenStudy (anonymous):
not in parenthesis sorry, i mean the fractions what do they represent?
OpenStudy (anonymous):
it starts with an s
OpenStudy (anonymous):
u there?
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OpenStudy (anonymous):
ok so they represent slope
OpenStudy (anonymous):
Okay
OpenStudy (anonymous):
ok so what is the slope of a line in relation to the slope of another line perpendicular to it
OpenStudy (anonymous):
I honestly don't know
OpenStudy (raymonde20):
@msasu25 She needs to learn..
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OpenStudy (anonymous):
There’s a nice approach to this problem that uses vector cross products. Define the 2-dimensional vector cross product v × w to be vx wy − vy wx (this is the magnitude of the 3-dimensional cross product).
Suppose the two line segments run from p to p + r and from q to q + s. Then any point on the first line is representable as p + t r (for a scalar parameter t) and any point on the second line as q + u s (for a scalar parameter u).
OpenStudy (anonymous):
if 2 lines are perpendicular one has slope m and the other has slope -1/m
OpenStudy (raymonde20):
Spambot Activated
OpenStudy (raymonde20):
lol
OpenStudy (raymonde20):
lol
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OpenStudy (raymonde20):
lol
OpenStudy (raymonde20):
lol
OpenStudy (raymonde20):
lol
OpenStudy (anonymous):
Okay and m stabnds for slope?
OpenStudy (raymonde20):
lol
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OpenStudy (raymonde20):
lol
OpenStudy (raymonde20):
Spambot Deactivated
OpenStudy (anonymous):
@raymonde20 please stop
OpenStudy (anonymous):
yes anything can stand for slope but conventionally m stand for slope,
OpenStudy (anonymous):
Okay so whats next
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OpenStudy (anonymous):
ok so next thing i would do is draw it out
OpenStudy (raymonde20):
lol
OpenStudy (raymonde20):
lol
OpenStudy (raymonde20):
lol
OpenStudy (raymonde20):
lol
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OpenStudy (raymonde20):
lolo
OpenStudy (raymonde20):
o
OpenStudy (raymonde20):
l
OpenStudy (raymonde20):
l
OpenStudy (anonymous):
reported u dude
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OpenStudy (raymonde20):
l
OpenStudy (raymonde20):
l
OpenStudy (anonymous):
reported
OpenStudy (anonymous):
ok so lets draw it out, u wanna try first?
OpenStudy (raymonde20):
Idc.
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