The ramp shown below is used to move crates of fruit to loading docks of different heights. When the horizontal distance AB is 12 meters, the height of the loading dock, BC, is 4 meters. What is the height of the loading dock DE?
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OpenStudy (anonymous):
here is the ramp
OpenStudy (anonymous):
i c u
OpenStudy (aripotta):
OpenStudy (anonymous):
so 12 /6.7?
OpenStudy (aripotta):
no? what are you doing? lol. you should be cross multiplying
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OpenStudy (anonymous):
i cros divided? idk i don't even know how to cross multiply
OpenStudy (anonymous):
I was in england visitng my grandma who has cancer and she um..died I was gone for like 2 and a half weeks from school
OpenStudy (anonymous):
so math is like really backed up
OpenStudy (aripotta):
oh my. i'm sorry
OpenStudy (aripotta):
you multiply in a cross kinda way. so 12(x) = 27(4)
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OpenStudy (anonymous):
yeah but it's okayyy I just miss her anywaY i'm so confused
OpenStudy (anonymous):
then what do you do with the answers?
OpenStudy (anonymous):
so 108 and 12*x ??
OpenStudy (aripotta):
12x = 108, then divide by 12 to get x = ?
OpenStudy (anonymous):
9!
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OpenStudy (anonymous):
so x= 9?
OpenStudy (aripotta):
yup
OpenStudy (anonymous):
gosh i feel simple
OpenStudy (aripotta):
don't worry, i'm here to help (though i should be doing my own work). are you understanding things better?