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OpenStudy (raffle_snaffle):
help finding a length
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OpenStudy (raffle_snaffle):
|dw:1468538044698:dw|
OpenStudy (raffle_snaffle):
How do I find where ? is located?
OpenStudy (raffle_snaffle):
@sweetburger
OpenStudy (raffle_snaffle):
I think this is unsolvable. I am researching online to find the answer.
jimthompson5910 (jim_thompson5910):
|dw:1468538966077:dw|
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jimthompson5910 (jim_thompson5910):
x+y = 9 y = 9-x
OpenStudy (raffle_snaffle):
I got an answer of 6.29
OpenStudy (raffle_snaffle):
6.125
jimthompson5910 (jim_thompson5910):
the triangles are similar (AA similarity theorem), so we can form the proportion 4700/y = 2500/x 4700/(9-x) = 2500/x ... plug in y = 9-x
jimthompson5910 (jim_thompson5910):
solve 4700/(9-x) = 2500/x for x and you should get x = 25/8 = 3.125
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OpenStudy (raffle_snaffle):
I got 3.125
OpenStudy (raffle_snaffle):
nvm about the previous answer I got. When I first solved this I was using 9-x/4700 = x/2500
jimthompson5910 (jim_thompson5910):
an alternative is to use coordinate geometry |dw:1468539203986:dw|
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