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  1. u - 2/3 = - 4/3 u - 3/5 Multiply everything by 15(the GCM of 3 and 5) you get 15u -10= -20u -9 15u+20u= -9 +10 35u=1 u =1/35

    3 Answers · Science & Mathematics · 08/03/2012

  2. sin( u ) = 4/5 = y/z x^2 + y^2 = z^2 x^2 + 4...x^2 = 25 - 16 x^2 = 9 x = 3 1) cos( u ) = x/z = 3/5 <==== positive since... to take the positive root. sin( u /2) = + √( (1-cos u )/2 ) sin( u /2) = √( (1- (3...

    3 Answers · Science & Mathematics · 17/08/2011

  3. By definition u .v x w = |v x w| | u | cosθ where θ is the angle between u and v x w... where Θ is the angle between v and w. So u .v x w = |v||w| sinΘ | u | cosθ and this is equal to | u ||v...

    2 Answers · Science & Mathematics · 03/10/2009

  4. suppose u ,v are in U ∩V. since u .v are in U , u +v is in U , since U is a subspace. since u ,v ...

    2 Answers · Science & Mathematics · 04/06/2011

  5. u = arcsin[√(x² + y²)] ∂ u /∂x = 1/√[1 - (x² + y²)] • x/√(x² + ...) / √[1 - (x² + y²)] = tan[ u ] Note that u = arcsin[√(x² + y²)] implies that sin[ u ...

    1 Answers · Science & Mathematics · 18/07/2011

  6. Multiply everything by ( u -1)( u -3) and then cancel identical terms to clear the fractions: ( u +7...3) / ( u -3) ( u +7)( u -3) + ( u -1)( u -3) = ( u +3)( u -1) Multiply everything out: u ^2 + 4u - 21 + u ^2 - 4u + 3 = u ^2 + 2u - 3 Combine terms: 2u^2 - 18...

    4 Answers · Science & Mathematics · 09/05/2011

  7. ( u + v + w) · ( u + v + w) = ( u + v + w) · u + ( u + v + w) · v + ( u + v + w) · w = ( u · u + v · u + w · u ) + ( u · v + v · v + w · v) + ( u · w + v · w + w · w) = ( u · u + 0 + 0) + (0 + v · v + 0) + (0 + 0 + w · w), since u ,v,w are mutually perpendicular...

    3 Answers · Science & Mathematics · 14/06/2015

  8. sin( u ) = 1/3 = y/z x^2 + y^2 = z^2 x^2 + 1^2 = 3^2 x^2 = 9 - 1 x^2 = 8 x = 2√(2) cos( u ) = x/z = 2√(2)/3 sin(v) = 1/4 = y/z x^2 + y^2 = z^2 x^2 + 1^2 = 4^2...

    4 Answers · Science & Mathematics · 06/11/2011

  9. u dont u just feel it. like 4 me if i talk to someone,(a guy) for a while and i feel some sort of attraction, i just kinda get a crush on them and i know i like them

    14 Answers · Family & Relationships · 14/10/2007

  10. u = -b + 21 u = -2b + 30 Check it out - both equations are ... u " already. Thus, -b + 21 = -2b + 30 -b + 2b = 30 - 21 b = 9. u = -b + 21 = -(9) + 21 = 12 u = -2b + 30 = -2(9) + 30 = 12 So, the ...

    2 Answers · Science & Mathematics · 01/06/2010

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