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3 years ago

An item is regularly priced at $20 . It is on sale for 85% off the regular price. What is the sale price?

Mathematics

2 answers:

Pie3 years ago

6 0

20/100=.20•85=17 so 17 is the answer

dybincka [34]3 years ago

4 0

17 dollars is the sale price

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Answer:

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Step-by-step explanation:

The right angle is formed at at the tangent line and the radius

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Find x so that x, X +2, X'+3 are the first three terms of a geometric sequence. Then find the 5" term of the

velikii [3]

Answer:

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Step-by-step explanation:

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Substitute this into the third equation:

$\displaystyle x+3=x\Big(\frac{x+2}{x}\Big)^2$

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$\displaystyle x+3 = x\Big( \frac{(x+2)^2}{x^2} \Big)$

Simplify:

$\displaystyle x+3=\frac{(x+2)^2}{x}$

We can multiply both sides by x:

$x(x+3)=(x+2)^2$

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$x^2+3x=x^2+4x+4$

Isolate the x:

$-x=4$

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$x=-4$

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$\displaystyle r=\frac{(-4)+2}{-4}=\frac{-2}{-4}=\frac{1}{2}$

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