Physics
white liht is produced by blue light and what other liht? I think it's yellow, but I'm not even sure behind my reasoning. I could really just use some help on this; I've been trying to find a good website to explain the whole color theory, but so far what I've ...
Physics
Is warm water heating a person swimming in it, convection or conduction; what about warm water heating the air above it?
Physics
Is warm water heating a person swimming in it, convection or conduction; what about warm water heating the air above it?
Physics
Is warm water heating a person swimming in it, convection or conduction; what about warm water heating the air above it?
Math
How do I solve 2x^2-5x=0 by factoring, I tried taking the two out, but that doesn't seem to be working.
Math - urgent
oh okay, yeah, that's the answer I got, but I'm just still really confused as to how they even got sqrt3. Thank you, though.
Math - urgent
When solving for x by completing the square as in the equation 3(x-1)^2-1=0 should I add one to both sides then divide by three or add one to both sides then square root both sides? It makes sense to me to first divide by three, but if I do this, I'm not getting the correc...
Math
In school we're learning to use the quadratic formula. I understand how to use it and what its applications are, but I don't understand why sometime it's okay to simplify and sometimes it's not. For example, I got the result (-2 ± 2 square root of 6)/2. ...
Math
In school we're learning to use the quadratic formula. I understand how to use it and what its applications are, but I don't understand why sometime it's okay to simplify and sometimes it's not. For example, I got the result (-2 ± 2 square root of 6)/2. ...
Physics
oh, okay.
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