Wednesday
June 19, 2013

Posts by erica


Total # Posts: 466

Math
3x-2(3x-2) -3x+6x-4 -3x+4 Ms. Sue this is what I did. Do you think is correct?

Math
Okay sorry studying for finals. I am going to try and do this one by myself. Thank you :)

Math
Can I get help with this one :/... 3x-2(3x-2)

Math
Thank you very much Ms. Sue!!

Math
Can you help me with this problem please... 3y+5(y-3)+8

Math
Thank you Ms. Sue!!!

Math
Can you help me with this problem please... 8x-3(x-5)=30

PHYSICS!
The quantity of heat that changes the temperature of a mass of a substance is given by , where is the specific heat capacity of the substance. For example, for , . And for a change of phase, the quantity of heat that changes the phase of a mass is , where is the heat of fusion...

Physics!
Imagine a giant dry-cleaner's bag full of air at a temperature of -31 floating like a balloon with a string hanging from it 15 above the ground. Estimate what its temperature would be if you were able to yank it suddenly back to Earth's surface.

Math
One-ninth of Polymer Plastics’ sales are made in New England. If New England sales amount to $600,000, what are the total sales of the company?

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