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Mathematics 10 Online
OpenStudy (anonymous):

Confused with part 3

OpenStudy (anonymous):

OpenStudy (anonymous):

what is the volume

OpenStudy (anonymous):

5A: V = πr2h V = (3.14)(12)(0.0625) V = 0.19625 in3 0.19625 X 200 = 39.25 Approximate volume of coins is 39.25 5B: (3.14)(2^2)(0.125) = 1.57 1.57 x 200 Approximate volume of coins is 314

OpenStudy (anonymous):

so the original volume is 39.25 and the new volume is 314

OpenStudy (anonymous):

let me see

OpenStudy (anonymous):

@girlover

OpenStudy (anonymous):

okay take your time :)

OpenStudy (anonymous):

is it 2.7percent dont know lol

OpenStudy (anonymous):

@waterineyes

OpenStudy (anonymous):

Not able to get the question?? What it is meant by "Bigger Coin" ??

OpenStudy (anonymous):

bigger coins are 5b''s coins

OpenStudy (anonymous):

Okay Okay, I try, wait.. :)

OpenStudy (anonymous):

Okay Okay got it..

OpenStudy (anonymous):

What percent of original volume means: let us say x percent \(\frac{x}{100} \times Original \; Volume\) is the bigger coin volume : So: \[\frac{x}{100} \times 39.25 = 314\]

OpenStudy (anonymous):

For 5B, what is your answer?? Is it 314 or 31.4 ??

OpenStudy (anonymous):

i got 314

OpenStudy (anonymous):

Sure?? I also check it..

OpenStudy (anonymous):

Absolutely correct..

OpenStudy (anonymous):

yes because they wanted me to double what i did is (3.14)(2^2)(0.125), which game me 1.57 and i multiplied that by 200 (the amount of coins)

OpenStudy (anonymous):

okay :)

OpenStudy (anonymous):

Can you find x there??

OpenStudy (anonymous):

give me a min

OpenStudy (anonymous):

800

OpenStudy (anonymous):

Masha Allah..!!! I mean, awesome..!! Good..!! :)

OpenStudy (anonymous):

Yay! So 800 would be the answer?

OpenStudy (anonymous):

I think so..!!! :P

OpenStudy (anonymous):

Awesome! Thanks!! :)

OpenStudy (anonymous):

You are welcome dear.. :)

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