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Murljashka [212]
3 years ago
11

Simplify fully 4x^2+4x/2x^2-2

Mathematics
1 answer:
iren2701 [21]3 years ago
4 0

Answer:

Simplify the expression.

2x³ + 4x² − 2

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Pls help , need this done by tomorrow.
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Answer:

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This is a volume question so we can use the volume of a cylinder to see which one corresponds to what.  Volume of a cylinder is \pir^{2}h.  We know that the heights of the cylinders are the same since the diagram says so.  We also know pi is the same since thats a constant.  The only thing thats different is the radius (as you can see radius of P is bigger than Q).  If the radius of P is bigger than Q and all the other things are the same (height is the same and pi is the same), then that automatically means that P has more volume than Q.  More volume means more time to fill up.  Since Q has less volume, it will take less time to fill up.  So now we look at the graph.  A shows that the height of water increases at a faster rate than that of B.  This is because there is less volume in that container (less volume=less time to fill up).  Therefore a matches to Q and therefore b matches to P

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