3 years ago

IIs this a polygon or trapezoid?

Mathematics

2 answers:

ddd [48]3 years ago

4 0

Answer:

<h2>Polygon </h2>

Step-by-step explanation:

<h3>Because that is a polygon </h3><h3>And if you didn't understand my answer </h3>

Inessa [10]3 years ago

3 0

Answer:

polygon

Step-by-step explanation:

i hope this answer help

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marusya05 [52]

Answer:

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Step-by-step explanation:

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2 years ago

Solve -7x^2+x+9=-6x quadratic formula

myrzilka [38]

Answer:

$-7x^2+x+9=-6x$

$-7x^2+x+9+6x=-6x+6x$

$-7x^2+7x+9=0$

$quadratic\: formula$

$x_{1,\:2}=\frac{-7\pm \sqrt{7^2-4\left(-7\right)\cdot \:9}}{2\left(-7\right)}$

$\sqrt{-7^{2} -4(-7)\times9} =\sqrt{301}$

$x_{1,\:2}=\frac{-7\pm \sqrt{301}}{2\left(-7\right)}$

$\frac{-7+\sqrt{301}}{2\left(-7\right)}$

$=\frac{-7+\sqrt{301}}{-2\cdot \:7}$

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$\frac{-7-\sqrt{301}}{2\left(-7\right)}$

$=\frac{-7-\sqrt{301}}{-2\cdot \:7}$

$=\frac{-7-\sqrt{301}}{-14}$

$answer=\frac{7+\sqrt{301}}{14}$

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3 years ago

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Answer:

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Answer:

Step-by-step explanation:

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Step-by-step explanation:

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