Geometry
9 Online
OpenStudy (anonymous):
Find the value of x. Round decimals to the nearest tenth.
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OpenStudy (anonymous):
|dw:1371647989167:dw|
OpenStudy (anonymous):
i need a decimal
OpenStudy (anonymous):
thts not it bro lol
OpenStudy (anonymous):
not possible
OpenStudy (jack1):
SOC CAH TOA
sine 40 degrees = opposite / hypotenuse
sine 40 degrees = 6 / x
...solve for x
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OpenStudy (jack1):
@MAYSTEPH how'd jew go...?
OpenStudy (anonymous):
wtf is sine haha!
OpenStudy (jack1):
sin... look on a calculator
there are 3 main trig functions there: sine (sin) cosine (cos) and tan (tan)
OpenStudy (anonymous):
ohh okay
OpenStudy (jack1):
type in "sin 40"... and u should get like 0.6...ish
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OpenStudy (anonymous):
lol nooooooooooooone of those are any of my choices xD
OpenStudy (jack1):
sin 40 = 6 / x
so x = 6 / sin 40
=...?
OpenStudy (anonymous):
a) 9.3
b) 3.9
c) 4.5
d) 5.0
OpenStudy (anonymous):
lol
OpenStudy (anonymous):
none of those are big enough to be x
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OpenStudy (jack1):
what did u get as an exact value of sin 40 @MAYSTEPH ? (to like 3 decimal places)
OpenStudy (anonymous):
0.64278760968653932632264340990726
OpenStudy (jack1):
cool, so 6 divided by 0.6428 =...?
OpenStudy (anonymous):
9.3343429611624739203381357278235
OpenStudy (jack1):
so rounded to 1 decimal place, which of your answers fits...?
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OpenStudy (jack1):
a) 9.3
b) 3.9
c) 4.5
d) 5.0
OpenStudy (jack1):
@MAYSTEPH which of your answers is closest to the one you calculated
(9.334)
a) 9.3
b) 3.9
c) 4.5
d) 5.0
OpenStudy (anonymous):
lol srry i was talking someone its A lol thankyou man, i appreciate it :)
OpenStudy (jack1):
always welcome hey