Let's check the dot product .
v.w = 5(4)-2(10) = 20 -20 =0
So the dot product is not 20 . And since the dot product is zero, so they are perpendicular.
And the y component of w is 10.
So correct options are first and third .
Answer:
$641
Step-by-step explanation:
Let $p be the original price.
p = 641 (cor. to the nearest dollar)
∴ The original price was $641.
Answer:
96 yards
Step-by-step explanation:
you could divided this figure into three parts.
i divided it so it is like the two big rectangle and the small one in the middle.
5 times 8=40
40 times 2=80
4 times 4 =16
all add together is 96 yards