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Nataly_w [17]
2 years ago
13

A round trip flight from Seattle, Washington to Orlando, Florida is one of the longest flights in the continental United States.

Due to the jet stream that blows from west to east, a plane flying nonstop from Seattle to Orlando flies at an average speed of 523 miles per hour. The same plane flying from Orlando to Seattle travels at an average of 415 miles per hour. The full round trip takes exactly 11 hours. How far is Seattle from Orlando, to the nearest mile?
Mathematics
2 answers:
ch4aika [34]2 years ago
6 0
Time out =  d/so = d/523
time back = d/sb = d/415

t = time out + time back
11 = d/523 + d/415 find common deneminator
11 = (415d + 523d)/(523*415)
11*523*415 = 415d + 523d
2387495 = 938d
d = 2545 miles 

hope this help
Artemon [7]2 years ago
5 0

Answer:

Distance between Seattle to Orlando to the nearest mile = 2545 miles

Step-by-step explanation:

Let the distance between Seattle and Orlando be d.

Due to the jet stream that blows from west to east, a plane flying nonstop from Seattle to Orlando flies at an average speed of 523 miles per hour.

\texttt{Time taken from Seattle to Orlando =}\frac{d}{523}

The same plane flying from Orlando to Seattle travels at an average of 415 miles per hour.

\texttt{Time taken from Orlando to Seattle =}\frac{d}{415}

The full round trip takes exactly 11 hours.

Total time taken is given by

                \frac{d}{523}+\frac{d}{415}=11\\\\\frac{415d+523d}{415\times 523}=11\\\\938d=2387495\\\\d=2545.30miles\\\\d\approx 2545miles

Distance between Seattle to Orlando to the nearest mile = 2545 miles

               

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<h3>How to determine the minimum value?</h3>

The function is given as:

g(x)=x² - 10x + 16

Differentiate the function

g'(x) = 2x - 10

Set the function 0

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Add 10 to both sides

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Divide by 2

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Substitute 5 for x in g(x)

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g(5) = -9

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brainly.com/question/7784687

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Step-by-step explanation:

To add fractions without the common denominator, you have to make them equal so

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The complete question is
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the picture in the attached figure
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