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NeX [460]
3 years ago
11

If a 14-karat ring weighs 0.5 ounce,How many ounces of pure gold does it contain?

Mathematics
1 answer:
lianna [129]3 years ago
5 0

I think it would contain 0.2915 ounces of pure gold in it. sorry if my answer isnt correct

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Answer:

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Step-by-step explanation:

we know that

The area of the figure is equal to the area of rectangle plus the area of two semicircles

<u>The area of rectangle is equal to</u>

A=14*5=70\ in^{2}

<u>The area of the small semicircle is equal to</u>

A=\pi r^{2} /2

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substitute

A=(3.14)(2.5^{2})/2=9.8125 in^{2}

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A=\pi r^{2} /2

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Step-by-step explanation:

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