...does this function have a maximum or minimum? 8.
A Jet travels 3950 miles from Chicago, Illinois to London, England
and 3950 miles on the return trip from London to Chicago. The total
flying time (round trip - both directions) is 16.5 hrs. The return trip
takes longer due to winds that generally blow from west to east. If
the jet's average speed with no wind is 485 mi/hr, what is the average
speed of the wind during this round trip flight? Round to the nearest
mile per hour.

geometry: triangles

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lessons

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call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

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mark brainliest!

1.30

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