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stiks02 [169]
2 years ago
9

Kenneth drove 180.9 miles in hours. What was his average speed?

Mathematics
1 answer:
Leya [2.2K]2 years ago
7 0
How many hours? speed (v) = distance (d) / time (t)
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Which of the following sets contain all roots of the polynomial
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All these given roots are contained in option C.

The given equation is :

9x^{3}+9x^{2}-4x-4=0

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9x^{2}-4=0,x+1=0

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x=\frac{2}{3},x=-1

Roots = -1,\frac{-2}{3} ,\frac{2}{3}

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Step-by-step explanation:

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