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Question 1054548: <span>An oil tanker with engine trouble radios the mainland for a seagoing tugboat. At the time that the tugboat leaves the dock, the tanker is 125 km away and heading directly toward the dock. If the average speed of the tugboat is 20 km/h and that of the tanker is 5 km/h how long will it take the two vessels to meet? </span>
<span>Answer by </span>Fombitz(27825) (Show Source):You can put this solution on YOUR website!
<span>Distance = Rate x Time
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Question 1054451: <span>two cars are traveling down the highway with the same speed. If the first car increases its speed by 10 kilometers per hour, and the other car decreases its speed by 10 kilometers per hour, then the first car will cover the same distance for 2 hours as the second car for 3 hours. what is the speed of the cars? </span>
<span>A</span><span>two cars are traveling down the highway with the same speed.
If the first car increases its speed by 10 kilometers per hour, and the other car decreases its speed by 10 kilometers per hour, then the first car will cover the same distance for 2 hours as the second car for 3 hours.
what is the speed of the cars?
:
let s = the original speed
Write a distance equation; dist = time * speed
3(s-10) = 2(s+10)
3s - 30 = 2s + 20
3s - 2s = 20 + 30
s = 50 km/hr is the original speed
:
:
confirm this, find the distances
3(50-10) = 120 km
2(50+10) = 120 km
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Question 1054506: <span>Falling</span></span>
Answer:
What am I supposed to answer?
Step-by-step explanation:
?
The plot of the data and the regression line is shown in the figure below.
The best straight line is
y = 51.0686 + x 0.092x
The correlation coefficient is 0.192.
Answer: b
There are 3 tolls where Stephanie pays $ 4.05.
<h3>What is Distance?</h3>
The distance between two points is the length of the path connecting them.
Here,
Distance covered by Stephanie = 12 1/4 miles
= 12.25 miles
Distance between two toll tax = 3 1/2 miles
= 3.5 miles
Number of Tolls = Total distance covered / Distance between two tolls
= 12.25 / 3.5
= 3.5
≈ 3 tolls.
Cost of 1 toll = $ 1.35
Total amount paid on toll = 3 X 1.35
= $ 4.05
Thus, there are 3 tolls where Stephanie pays $ 4.05.
Learn more about Distance from:
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Is that cube or n just multiply to 2?