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3 years ago

15

Brain bought a used car for $3500. A month later he sold the car for $3000, a loss of $500. His selling price was approximately

what % of the original cost of the car?

1 answer:

Lyrx [107]3 years ago

8 0

86% hope this helps

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

For this question you can say d = 15 feet so we need the t then you can say :

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A solid cylinder of iron whose diameter is 18 cm and height 12 cm is melted and turned into a solid sphere. Find the diameter of

finlep [7]

Answer:

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Step-by-step explanation:

<h2>Volume of Cylinder and Sphere:</h2><h3> Cylinder:</h3>

Diameter = 18 cm

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$\sf \boxed{\bf Volume \ of \ cylinder = \pi r^2h}$

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<h3>Sphere:</h3>

$\sf \boxed{\text{\bf Volume of sphere = $\dfrac{4}{3} \pi r^3$}}$

Solid cylinder is melted and turned into a solid sphere.

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$\sf \dfrac{4}{3}\pi r^3 = \pi *9*9*12$

$\sf r^{3}= \dfrac{\pi *9*9*12*3}{4*\pi }\\\\ r^{3}=9 * 9 *3 *3\\\\\\r = \sqrt[3]{9*9*9}\\\\ r = 9 \ cm\\\\diameter = 9*2\\\\\boxed{diameter \ of \ sphere = 18 \ cm}$

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2 years ago