Answer:
5
Step-by-step explanation:
Y=kx is the direct variation equation
First plug in the x, y values given to find K
18=k(5)
18/5=k
3.6 = k
Use the k and write a new equation.
y=3.6x
Plug in the x value to solve for y.
y = 3.6(11)
y= 39.6
Answer:
B. Dan walked uphill, then downhill.
Step-by-step explanation:
The place that the slope went up is based on the distance from the starting point, so the distance is up then down. I hope this helped and please mark me as brainliest!
9514 1404 393
Answer:
1 -√2
Step-by-step explanation:

tan(7π/8) = 1 -√2
Answer:
Step-by-step explanation:
- (3a²b) /(5ac) x (10c) /(6ab) =
- (3ab)/(5c) × (5c)/(3ab)
- 1