Answer:
7y-4x.
Step-by-step explanation:
I think that the last 2 shouldn't be there and the third option should be 7y-4x or all the options are incorrect.
-3(2x- y) + 2y + 2(x+y)
= -6x+3y + 2y+2x+2y
= -6x+2x+3y+2y+2y
= -4x+7y.
Answer:
A)
Step-by-step explanation:
uv = u1v1 + u2v2 = (1/3)*18 + 4*(-3/2) = 6 - 6 = 0
Because uv=0, these 2 vectors are orthogonal.
Answer:
Step-by-step explanation:
y = -5x - 17
in y = mx + b form, the y int is in the m position
y = mx + b
y = -5x - 17......so the y int (b) = -17 or (0,-17) <=== y intercept
u can also find the y intercept by subbing in 0 for x and solving for y
u can find the x intercept by subbing in 0 for y and solving for x
y = -5x - 17
0 = -5x - 17
5x = -17
x = -17/5......so the x intercept is -17/5 or (0,-17/5) <==== x intercept
Answer:
D
Step-by-step explanation:
If you have ten feet on one side and 8 feet on another mulitiply and 10 times 8 is 80 so theres your answer
