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Vaselesa [24]
3 years ago
12

itzel noticed that the distance from her house to the library, which is 40 miles, was one fifth the distance from her house to h

er school.
Mathematics
1 answer:
Maksim231197 [3]3 years ago
5 0

Answer:

200 miles

Step-by-step explanation:

40 x 5 = 200

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Answer:

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Step-by-step explanation:

The fundamental theorem of algebra guarantees that a polynomial equation has the same number of complex roots as its degree.

We have to find the roots of this given equation.

If a quadratic equation is of the form ax^{2}+bx +c=0

Its roots are \frac{-b+\sqrt{b^{2}-4ac } }{2a} and \frac{-b-\sqrt{b^{2}-4ac } }{2a}

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If the roots are x_{1} and x_{2}, then

x_{1} = \frac{-2+\sqrt{(-4)^{2}-4\times 2\times (-1)}}{2\times 2}

                       = \frac{4 +\sqrt{24}}{4}

                       = \frac{2+\sqrt{6} }{2}

x_{2} = \frac{-2-\sqrt{(-4)^{2}-4\times 2\times (-1)}}{2\times 2}

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These are the two roots of the equation.

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3 years ago
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