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Please help me... Has to be in my 1pm today and I have no idea... out of my league but I need to pass to get into the course I want

Please help me Has to be in my 1pm today and I have no idea out of my league but I need to pass to get into the course I want class=

Respuesta :

Answer:

AB  = -4i -7j

CD  = -5i + 4j

Step-by-step explanation:

i.) vector AB  = -4i -7j

 where i is the unit vector in the x direction and j is the unit vector in the y direction.

vector AB is 7 units down and 4 units west

ii)vector CD  = -5i + 4j

  vector CD is 5 units west and 4 units up

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