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kompoz [17]
3 years ago
10

three friends earned more than $200 washing cars. they paid there parents $28 for supplies and divided the rest of money equally

. write an inequality to find possible amounts each friend earned.identify what your variable represents
Mathematics
1 answer:
makvit [3.9K]3 years ago
4 0
So
x=earned
x>200
they paid their parrents 28 for supplies (this assumes that they paied 28 altogether and not 28 each)
so subtract 28 from pay
new pay=y
y>200-28
y>172
divided it among themselves (3)
172/3=57 and 1/3=57.33
they each earned more that $57.33
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Step-by-step explanation:

The formula for the dot product of vectors is

u·v = |u||v|cosθ

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|u|=\sqrt{14^2+9^2} which is \sqrt{277}

|v|=\sqrt{3^2+6^2} which is \sqrt{45}

I am assuming by looking at the above that you can determine where the numbers under the square root signs came from. It's pretty apparent.

We also need the angle, which of course has its own formula.

cos\theta=\frac{uv}{|u||v|} where uv has ITS own formula:

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3 years ago
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<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em>

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