Mindblast3r
  • Mindblast3r
help.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Mindblast3r
  • Mindblast3r
@Mizuki
Mizuki
  • Mizuki
hi again
Mizuki
  • Mizuki
wat do u need help with??

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More answers

Mindblast3r
  • Mindblast3r
1 Attachment
Mindblast3r
  • Mindblast3r
i understand everything except the red circle part.
Mindblast3r
  • Mindblast3r
oh yay astrophysics to the rescue <3
Astrophysics
  • Astrophysics
It's a property that tells us this \[\huge \frac{ a }{ \frac{ b }{ c } } = \frac{ c \times a }{ b }\]
Astrophysics
  • Astrophysics
So think of it this way, |dw:1436161113139:dw| it's just dividing by fractions really
Astrophysics
  • Astrophysics
Remember when you divide fractions, you take the second fraction, flip and multiply
Mizuki
  • Mizuki
that's wat i thought
Mindblast3r
  • Mindblast3r
nono i know this already.
Mindblast3r
  • Mindblast3r
what i'm asking is, shouldn't the entire part be,
Mindblast3r
  • Mindblast3r
\[\frac{ 10 }{ \tan(
Astrophysics
  • Astrophysics
No because \[\tan(< BAC) = \frac{ 10 }{ 9 }\]
Mindblast3r
  • Mindblast3r
why is it like, how it's posted in the example.
Mindblast3r
  • Mindblast3r
my way leads to the answer being 9 though?
Astrophysics
  • Astrophysics
|dw:1436161397822:dw|
Mindblast3r
  • Mindblast3r
ohhh i get it!
Mindblast3r
  • Mindblast3r
wait i get it a little!
Astrophysics
  • Astrophysics
You're just plugging 10/9 for for that expression, that's all
Mindblast3r
  • Mindblast3r
|dw:1436161457997:dw|
Astrophysics
  • Astrophysics
Yes :)
Mindblast3r
  • Mindblast3r
what is that 10 then?
Mizuki
  • Mizuki
the 10 on the top of 10/tan(
Mindblast3r
  • Mindblast3r
you understand everything mizuki?
Astrophysics
  • Astrophysics
BC = 10, because what you're solving for is AC, |dw:1436161552377:dw|
Mindblast3r
  • Mindblast3r
can't it be like this though,
Mindblast3r
  • Mindblast3r
sec
Astrophysics
  • Astrophysics
BC = 10
Mizuki
  • Mizuki
yes i do understand everything @Mindblast3r
Mindblast3r
  • Mindblast3r
|dw:1436161657752:dw|
Astrophysics
  • Astrophysics
No, because you're saying that tan(
Astrophysics
  • Astrophysics
But it actually = 10/9
Astrophysics
  • Astrophysics
the 10 in the numerator represents BC
Mindblast3r
  • Mindblast3r
ohhh and 10/9 is a ratio right?
Astrophysics
  • Astrophysics
Yes, that the tan ratio
Mindblast3r
  • Mindblast3r
and you use that ratio to solve for the missing side (adjacent).
Mindblast3r
  • Mindblast3r
correct?
Astrophysics
  • Astrophysics
Yes, because they told you that tan(
Mizuki
  • Mizuki
|dw:1436161889108:dw|
Mindblast3r
  • Mindblast3r
ohhh!!
Astrophysics
  • Astrophysics
But what you're looking for is the side AC
Mizuki
  • Mizuki
get it now??
Mindblast3r
  • Mindblast3r
|dw:1436162002962:dw|
Astrophysics
  • Astrophysics
Awesome :)
Mizuki
  • Mizuki
great!! :)

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