Very simple. You just use the vectors as normal numbers, and multiply the coordinates with 2 and 4 like this:
2*u = 2* (2,4) = (4,8)
4*w = 4* (-1,3) = (-4,12)
(4,8) - (-4,12) = (8,-4)
So the vector has the coordinates (8,-4)
a flat figure with 4 equal straight sides and four right angles
Answer:
i dont know what it is
Step-by-step explanation:
maybe a
Answer:
132
Step-by-step explanation:
According to my calculations it should be 77