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riadik2000 [5.3K]

3 years ago

10

D) A painting originally priced at $300 sold for $400. x 100 = % increase or decrease? In order from greatest to least:

1 answer:

Olenka [21]3 years ago

6 0

(400-300)/300 x 100 = 100/300 x 100 = 33.33% increase

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3 years ago

What are the zeros of the quadratic function f(x) = 6x^2 + 12x – 7?

irinina [24]

<span>6x^2 + 12x – 7 = 0

Use the quadratic formula:

$x= \frac{-b +/- \sqrt{b^2 -4ac} }{2a}$

$\frac{-12+/- \sqrt{ 12^{2} -4(6)(-7)} }{12} = \frac{-12+/-17.66}{12}$

x = 0.47 and x = -2.47
</span>

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