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3 years ago

Original Price = ? Percent of Discount = 5% Sale Price = $57

Mathematics

1 answer:

Blababa [14]3 years ago

3 0

Answer:

$60

Step-by-step explanation:

100 - 5 = 95%

95% = 57

divide both sides by 95 to find 1%

1% = 0.6

multiply both sides by 100 to find 100%

100% = 60

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For this case we have the following equation:
$3 \sqrt{x+6}=-12$
Rewriting we have:
$\sqrt{x+6}= \frac{-12}{3}$
$\sqrt{x+6}=-4$
We raise both members of the equation to the square:
$(\sqrt{x+6})^2=(-4)^2$
Rewriting we have:
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$x=16-6$
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It's a extraneous solution because equality is not met by substituting x = 10 in the original equation:
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Answer:
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