anonymous
  • anonymous
can someone help me with calculus and vectors please. contact me Skype ruslan.rg . I will pay
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
I wouldn't put your phone number on here. Just make a skype, that's safer
anonymous
  • anonymous
okay thanks , you think you can help me?
anonymous
  • anonymous
Im only in precalc.

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anonymous
  • anonymous
do you someone else who can help me?
anonymous
  • anonymous
@ganeshie8 @phi, @SithsAndGiggles @Nnesha @amistre64 @Astrophysics @campbell_st @Hero @dumbcow @IMStuck @iambatman @jim_thompson5910 @misssunshinexxoxo @OOOPS @SolomonZelman @zepdrix All of these people have helped me on this website before. They are all good people
anonymous
  • anonymous
and @IrishBoy123 and @jdoe0001
anonymous
  • anonymous
and @zzr0ck3r , sorry I almost forgot about you :p
anonymous
  • anonymous
okay thank you
phi
  • phi
if you have a specific question, please post it.
anonymous
  • anonymous
Determine a scalar equation for the plane through the points M(1, 2, 3) and N(3 ,2, -1) that is perpendicular to the plane with equation 3x + 2y + 6z + 1 = 0.
anonymous
  • anonymous
Determine a vector equation for the plane that is parallel to the xy -plane and passes through the point (4, 1, 3).
anonymous
  • anonymous
@phi
phi
  • phi
the equation of a plane is defined by its "normal vector" if we know the normal vector N, then N dot P = b would be the equation, where P= represents any point on the plane and b is a scalar.
phi
  • phi
for ** plane that is parallel to the xy -plane ** any idea what vector is normal to the xy plane ?
phi
  • phi
|dw:1437854676729:dw|
phi
  • phi
what direction is perpendicular to the xy plane?
anonymous
  • anonymous
i really don't know
anonymous
  • anonymous
z maybe
phi
  • phi
yes, the z direction
phi
  • phi
we denote a vector by either using ai + b j + c k or either way, it means the same thing. put the tail at <0,0,0> and draw a "line" to point and then put an arrow head at the end.
phi
  • phi
there are lots of vectors that point straight up from (0,0,0) (i.e. depends on the length we make the vector) but if we want to point up 1 unit in the z-direction any idea how to write that vector?
anonymous
  • anonymous
@phi can you just solve this for me and i will see how you did it Determine a vector equation for the plane that is parallel to the xy -plane and passes through the point (4, 1, 3).
phi
  • phi
if we want to point up 1 unit in the z-direction any idea how to write that vector?

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