To approach the runway, a pilot of a small plane must begin a 10 descent starting from a height of 1983 feet above the ground. To the nearest tenth of a mile, how many miles from the runway is the airplane at the start of this approach?
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OpenStudy (anonymous):
|dw:1376020153602:dw|
OpenStudy (anonymous):
@OpenSessame
OpenStudy (anonymous):
sin10=1983/d
OpenStudy (anonymous):
BTW 5,280 feet in one mile
OpenStudy (anonymous):
my answer choices are
A. 2.2 mi
B. 0.4 mi
C. 11,419.6 mi
D. 2.1 mi
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OpenStudy (anonymous):
okay...
OpenStudy (anonymous):
try solving it! with what i gave you
OpenStudy (anonymous):
I don't understand how to solve it like that
OpenStudy (anonymous):
okay...
OpenStudy (anonymous):
D=1983(sin10)
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OpenStudy (anonymous):
im still confused
OpenStudy (anonymous):
SORRY
OpenStudy (anonymous):
do you have a calculator?
OpenStudy (anonymous):
if you do type in sin10
OpenStudy (anonymous):
then equal.
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OpenStudy (anonymous):
then multiply that by 1983
OpenStudy (anonymous):
I got 344.3
OpenStudy (anonymous):
now thats in feet you have to put it in miles
OpenStudy (anonymous):
so if I convert the 344.3 from feet to miles would I do 344.3* 5,280
OpenStudy (anonymous):
no...
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OpenStudy (anonymous):
divide
OpenStudy (anonymous):
when I divided the two I got 15.3
OpenStudy (anonymous):
one sec...
OpenStudy (anonymous):
did you so the first part right?
OpenStudy (anonymous):
okay you lost me
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OpenStudy (anonymous):
sin(10 degrees) = 1983/x
x = 1983/sin(10 degrees)
x = ? ft.
OpenStudy (anonymous):
its D...
OpenStudy (anonymous):
that was the wrong answer @OpenSessame
OpenStudy (anonymous):
really? cause i cant figure this out.
OpenStudy (anonymous):
yeah I got it graded and it was counted wrong
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OpenStudy (anonymous):
can you take it again?
OpenStudy (anonymous):
no but its okay thanks for all the help. if I have any questions in the future would it be okay to tag you in it to see if I can get your help?
OpenStudy (anonymous):
yeap:) are you doing ashworth?
OpenStudy (anonymous):
Well wouldnt you guess the answer is 2.2....*facepalm*
OpenStudy (anonymous):
oh well it's okay and yeah I'm doing ashworth
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