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Mary and Jane are both at the gas station at Hill and Elm. From the station, Mary drives 12 miles east and Jane drives 16 miles south. Find the distance between Mary and Jane.
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OpenStudy (anonymous):
NVM!
OpenStudy (anonymous):
huh
OpenStudy (anonymous):
|dw:1405724452594:dw|
OpenStudy (anonymous):
there you go. now you have to figure out how far are they which is the hypotnuse.
OpenStudy (anonymous):
30
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OpenStudy (anonymous):
20
OpenStudy (anonymous):
so a^2+b^2 is C^2
OpenStudy (anonymous):
i mean
OpenStudy (anonymous):
guessing is not gonna solve it TRUST ME
OpenStudy (anonymous):
want to do it step by step with me?
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OpenStudy (anonymous):
yes
OpenStudy (anonymous):
k so if a=12 and b=16 it would be 12^2 + 16^2=c^2 C is how far they are from eachother.
OpenStudy (anonymous):
when we square them it will look like:
144+256=c^2
OpenStudy (anonymous):
and that is 400
OpenStudy (anonymous):
400
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OpenStudy (anonymous):
400=c^2 but we are looking for c so what do we do?
OpenStudy (anonymous):
we isolate the variable
OpenStudy (anonymous):
so \[\sqrt{400}=\sqrt{c}\]
OpenStudy (anonymous):
it would 4 sq root 28
OpenStudy (anonymous):
what?
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