Speed against current = 120 miles / 6 hours = 20 miles / hour
Speed with current = 120 miles /5 hours = 24 miles / hour.
Speed of boat in still water = (20+24)/2 = 22 miles / hour
Use arccos...cos^-1 so
cos^-1 (0.8195)
it equals 34.96522689°
Hi,
Answer:
(2,4)
Step-by-step explanation:
(x,y) -> (x,-y) is the rule for reflection across x-axis
(2,-4) becomes (2,4)
Answer:
4/5x + y = -2
Step-by-step explanation: