<span>A motorboat takes 3 hours to travel 144 mi going upstream. The return trip takes 2 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?
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144/3 = 48 mph upstream
</span><span>144/2 = 72 mph downstream
The boat's speed is the average = 60 mph
The current is the difference = 72-60 = 12 mph</span><span>
</span>
Answer:
7/5
Step-by-step explanation:
Slope formula = (y₂ - y₁) / (x₂ - x₁)
= (7 - 0) / (2 - (-3))
= 7 / (2 + 3)
= 7/5
X=1
The length of line DF is 18
Answer:
cross multiply and they should equal the same
Step-by-step explanation:
