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il63 [147K]
4 years ago
5

Help me plz I’ve never been good with math

Mathematics
1 answer:
S_A_V [24]4 years ago
4 0
Its 16.

So you have 12 miles on that trail, and markers every 2/3 of the way there. If you were to divide 2 with 3 then you can get the decimal of the fraction. Which in this case it’s 0.75. So every single 0.75 of the mile there is a marker. Divide 12 with 0.75 and you get 16 markers.


Hoped this helped in some way.
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Make a substitution:

\begin{cases}u=2x+y\\v=2x-y\end{cases}

Then the system becomes

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Simplifying the equations gives

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which is to say,

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Substituting this into the new system gives

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3 years ago
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