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3 years ago

A migrating bird flies 576 miles in 16 hours.How many miles does it fly in 3 hours

Mathematics

1 answer:

user100 [1]3 years ago

7 0

Answer: It flies 108 miles in 3 hours.

Step-by-step explanation:

576/16 = 36

It flies 36 miles per hour

36 * 3 = 108

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Which two values of x are roots of the polynomial below? x^2-3x+5

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Given:

Polynomial $x^2-3x+5$

To find:

The values of x.

Solution:

$x^2-3x+5=0$

Quadratic equation formula:

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Here $a=1, b=-3, c=5$ .

Substitute the values in the formula, we get

$$x=\frac{-(-3) \pm \sqrt{(-3)^{2}-4 \cdot 1 \cdot 5}}{2 \cdot 1}$

$$x=\frac{3 \pm \sqrt{9-20}}{2}$

$$x=\frac{3 \pm \sqrt{-11}}{2}$

$$x=\frac{3 - \sqrt{-11}}{2} \ \text{and} \ x=\frac{3 + \sqrt{-11}}{2}$

Option E and option F are the roots of the polynomial.

The values of x are $x=\frac{3 - \sqrt{-11}}{2} \ \text{and} \ x=\frac{3 + \sqrt{-11}}{2}$ .

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$\text{Hello There!}$

$\text{We are going to need to isolate the variable}$

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