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Mathematics 16 Online
OpenStudy (anonymous):

Two weather tracking stations are on the equator 146 miles apart. A weather balloon is located on a bearing of N 35°E from the western station and on a bearing of N 23°E from the eastern station. How far is the balloon from the western station?

OpenStudy (anonymous):

OpenStudy (jdoe0001):

you don't have any choices right?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

all i have is a diagram attached above

OpenStudy (jdoe0001):

ok

OpenStudy (anonymous):

could you help me figure it out

OpenStudy (jdoe0001):

|dw:1403221229845:dw| |dw:1403221401508:dw|

OpenStudy (jdoe0001):

\(\bf tan(55^o)=\cfrac{{\color{brown}{ y}}}{146+{\color{blue}{ x}}}\qquad tan(67^o)=\cfrac{{\color{brown}{ y}}}{{\color{blue}{ x}}} \\ \quad \\\\ \quad \\ \quad \\ tan(55^o)=\cfrac{{\color{brown}{ y}}}{146+{\color{blue}{ x}}}\implies (146+{\color{blue}{ x}})[tan(55^o)] = {\color{brown}{ y}} \\ \quad \\ tan(67^o)=\cfrac{{\color{brown}{ y}}}{{\color{blue}{ x}}}\implies tan(67^o)\cdot {\color{blue}{ x}}={\color{brown}{ y\qquad thus }} \\ \quad \\ {\color{brown}{ y}}={\color{brown}{ y}}\implies (146+{\color{blue}{ x}})[tan(55^o)] =tan(67^o)\cdot {\color{blue}{ x}} \\ \quad \\ 146+x=\cfrac{tan(67^o)}{tan(55^o)}\cdot x\)

OpenStudy (anonymous):

im confused i thought i would use laws of sines for this problem where does tan come from

OpenStudy (jdoe0001):

hmmm didn't know you were supposed to use the law of sines...

OpenStudy (anonymous):

yea

OpenStudy (jdoe0001):

ohhh shoot then that's simpler =)

OpenStudy (anonymous):

i get how to use the laws of sines on this i just dont get how you got 67 and 55

OpenStudy (anonymous):

please explain with laws of sines=)

OpenStudy (jdoe0001):

|dw:1403222022417:dw|

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