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denis23 [38]
3 years ago
11

Please help! not sure how to start.

Mathematics
1 answer:
bearhunter [10]3 years ago
3 0
First simplify it so it would become -1 x^2 over 6 x^5
then you need to simplify the x's so do 5-3 so the final answer is -1 over 6 x^3
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Answer: The speed of the current is 2 miles per hour.

Step-by-step explanation:

We know that the speed of the boat is:

S = 10 mph.

When the boat travels with the current, the speed will be:

S = 10mph + x

where x = speed of the current.

When the boat travels against the current, the speed will be:

S = 10mph - x

Now, for a given amount of time T, when the boat travels with the current, it moves a distance of 6 miles.

Then we have the equation:

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Now, we can take the quotient of these two equations and get:

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10mph + x = (3/2)*10mph - (3/2)*x

x + (3/2)*x = (3/2)*10mph - 10mph

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x = (2/5)*5mph = 2mph.

The speed of the current is 2 miles per hour.

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