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forum.virtualchallengemeets.com • View topic - Stupid Scaling

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Stupid Scaling

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Stupid Scaling

Postby sxk1693 » Sat May 18, 2013 12:21 pm

This question has stumped me:

09C-46: A Mickey Mouse balloon has a surface area of 37 in^2 after # into it 9 times. What will the surface area be after 14 more #?

This was my approach:
If you # into a balloon, then you are adding more air into the balloon thus increasing the VOLUME...so I said: [unparseable or potentially dangerous latex formula]
Where n is the number of #, V is the volume, and A is the surface area. I solved for the surface area for 14 # and got 350.

However the answer is 69.2
HIGHS 2013 MEETS:
NS: 220(TMSCA STATE)
CA: 232(B)
MA: 274(District)
SC: 220(A)
CS: 212(VCM1)
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Re: Stupid Scaling

Postby redhawk2015 » Sat May 18, 2013 1:06 pm

The question says after 14 MORE puffs, so make sure to solve for 23 puffs and not 14. Here is my method:

[unparseable or potentially dangerous latex formula] (OR [unparseable or potentially dangerous latex formula])

Solving that for x gives an answer of 69.16
Class of 2015
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Top Scores This Year:
NS - 247 (Region) / CA - 268 (District) / MA - 338 (District) / SC - 184 (District)
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Re: Stupid Scaling

Postby 101dalmatians » Sat May 18, 2013 1:33 pm

I guess this signature really doesn't matter now that I know that the forum is going down soon...
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Re: Stupid Scaling

Postby sxk1693 » Sun May 19, 2013 2:40 pm

HIGHS 2013 MEETS:
NS: 220(TMSCA STATE)
CA: 232(B)
MA: 274(District)
SC: 220(A)
CS: 212(VCM1)
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Re: Stupid Scaling

Postby 101dalmatians » Sun May 19, 2013 3:00 pm

I feel so happy right now! I just got a scaling on a state test right!!!!!!1 :P:P:P
UGH - scaling just doesn't work out for me... So, I just feel happy even w/ ONE SCALING!!!!!
I guess this signature really doesn't matter now that I know that the forum is going down soon...
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