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kirill [66]
3 years ago
15

An electronics store had a sale in which it decreased all its prices by 24%.

Mathematics
1 answer:
kompoz [17]3 years ago
8 0

Answer:

Step-by-step explanation:

Let the Original price = $ x

24% of x = $85

\frac{24}{100}*x=85\\\\x=\frac{85*100}{24}\\\\

x = $ 354.17

Amount paid by Tom = 354.17 - 85  =$ 269.17

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Sholpan [36]

<em>The measure of PQ is 12.72</em>

<h2>Explanation:</h2>

We have the right triangle ΔPQR and we want to know the measure of PQ. PQ is opposite to ∠R, so from trigonometry we know that:

sin(\alpha)=\frac{Opposite \ side}{Hypotenuse} \\ \\ \\ Here: \\ \\ \alpha=m\angle R=58^{\circ} \\ \\ Opposite \ side=\overline{PQ} \\ \\ Hypotenuse=\overline{RQ}=15 \\ \\ \\ So: \\ \\ sin(58^{\circ})=\frac{\overline{PQ}}{15} \\ \\ \\ Isolating \ \overline{PQ}: \\ \\ \overline{PQ}=15sin(58^{\circ}) \\ \\ \overline{PQ}=15(0.848)\\ \\ \boxed{\overline{PQ}=12.72}

<h2>Learn more:</h2>

Right triangles: brainly.com/question/10252821

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Step-by-step explanation:

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Step-by-step explanation:

I think that's the exact answer

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