Recent content by ryan001

Thanks for the help everyone.

@jambuagh Thanks for the help. I still don't quite get it but thanks anyway I appreciate the help.

Could someone please provide a more detailed and less technical explanation. To rephrase my questions: 1. Why does trying to represent a translation without homogeneous coordinates result in scaling.(e.g. in computer graphics using a 2 by 2 matrix to represent translation in a 2D space scales...

@jambaugh Thanks. Context, I talking about 3D geometry, linear transformations using matrix representations and homogenous coordinates.

Homework Statement hi I have read a lot on homogenous coordinates and I feel like I now have a solid foundation. However none of the videos or books I have read give an explicit reason as to why translation with the extra dimension works(i.e. it does not result in scaling). Here 's what I...

Thanks everyone, now it all makes sense.

Thanks for everyone @rcqldr and shihab-kol "-1^0= -(1^0)= -(1)= -1" Thanks for the breakdown helped at lot. But I still don't quite get how (-1)^0 equals 1 how exactly do the braces change the sign? if the braces take precedence then evaluating (-1) first still leaves you with -1^0, Now if the...

Thanks everyone I still don' t get it, could someone break it down for me I read about the order of operations but this still does not make any sense to me. " Without parentheses, the exponent operation takes precedence over the sign change operation" What sign change operation?

Homework Statement Hi I was wondering why is negative one in brackets to the power of zero equal to positive one( (-1)^0 = 1 ) while negative one without brackets to the power of zero is equal to negative one( -1^0 = -1 ). Homework Equations none The Attempt at a Solution [/B]

Thanks everyone

@mathdriod t + b = 16 does not add up either thanks though 1.)t + b = 16 2). b = t - 12 16 - t = t - 12 2t = 28 t = 14 this would mean b = 12 which is incorrect. @Ray Viskson So is there a way to solve the equation without rational equations?

Homework Statement Working together, Bill and Tom painted a fence in 8 hours. Last year, Tom painted the fence by himself. The year before, Bill painted it by himself, but took 12 hours less than Tom took. How long did Bill and Tom take, when each was painting alone? (represent the above with...

Homework Statement I need to know is how to figure out the ratio's in which the elements in period 2 combine with chlorine and oxygen i.e a method to solve the problem. I 'm currently in 10th grade. Thanks in advance I appreciate the help. Homework Equations None that I know of...