grandmamom12
grandmamom12 grandmamom12
  • 17-04-2021
  • Mathematics
contestada

12. Find u · v for u = 3i + 4j and v = i - 2j

a.
[tex] \sqrt{5} [/tex]

b. -5
c. 10
d. 3i - 8j​

Respuesta :

haybuckets8
haybuckets8 haybuckets8
  • 17-04-2021
ANSWER: -3-2ji-8j^2

EXPLAINATION:

I dont know why that isn’t one of the answers but that’s what I got. You could try D.

MARK ME BRAINLIEST PLEASE
Answer Link

Otras preguntas

A locker combination has three nonzero digits, and digits cannot be repeated. If the first digit is 3, what is the probability that the next digit is odd? A. 4
What does Nick Carroway learn about equating winning with wealth and class in "The Great Gatsby"?
Which sentence is written in the imperative mood? A. Donna raced home from school to get ready for work. B. Its necessary that James fixes the brakes on his car
PLS HELP im actually cryin i stress over math a lot....
help me guys pls pls pls​
triangle ABC with A at 0 comma 0, B at 2 comma 4 and C at 0 comma 2, the measure of angle C is 127 degrees, and the measure of angle A is 40 degrees, triangle D
what are the exact volumes of x and y? (attached image)
You are taking measurements of sound waves. Every ¼ second, the sound waves pass your detector. What is the wave’s frequency and what is the wave’s period? (Use
Can y’all help with this? Thanks
pls help due today math​