<span>get their dot product, if the dot product is 0, then they're orthogonal (perpendicular).
also keep in mind that, if two vectors bear the same slope, namely <a,b> and <c,d> and the simplified slope b/a is the same value as d/c, then they're parallel vectors.</span>
Answer:
12x*3x=36x^2
squarelength=
=6x
Step-by-step explanation:
Answer:
.40 cents per hour. it dropped $2 over 5 hours. 4×5=20 so .40×5= 2.00
15 / 40 = .375
total # total #
of girls of students
.375 = 37.5%
15/40 as a fraction ---> simplify ---> 3/8