opemipoolotu opemipoolotu
  • 14-06-2022
  • Advanced Placement (AP)
contestada

given that a= 3i+7j and b= 5i-12j find:
(1) 12a+3b
​

Respuesta :

hunterfriedman1518
hunterfriedman1518 hunterfriedman1518
  • 14-06-2022

Answer:

51i + 48j

Explanation:

Let's simplify step-by-step.

12(3i+7j)+3(5i−12j)

|Which is the equation.|

Distribute:

=(12)(3i)+(12)(7j)+(3)(5i)+(3)(−12j)

=36i+84j+15i+−36j

Combine Like Terms:

=36i+84j+15i+−36j

=(36i+15i)+(84j+−36j)

=51i+48j

Answer:

=51i+48j

I hope this helps, if it doesn't then just message me and ill be more than happy to help :)

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btserinki btserinki
  • 28-06-2022
51i+48j is the correct answer
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