Saturday
December 7, 2013

# Posts by D

Total # Posts: 272

Physics
Air in a balloon does 25 J of work while absorbing 81 J of heat. What is the change in internal energy?

Ashford
Beth gives Megan \$2 allowance a week. Then she takes Megan shopping and allows her to select what she wants to buy. If the item desired costs more than \$2, Megan's mother suggests she save her money until she has enough saved to pay for the desired item. When Megan purchas...

fart

Algebra
Rewrite -81/(-88) as multipulcation

Algebra
whats the answer for 14(3-7x)=-(9+2x) with simple steps on how to do it

specific heat capacity
figured it out.

specific heat capacity
How much heat would be required to heat 1 gram of pure liquid water from 10C to 20C? How would i approach this problem?

math
how do yo convert hte ratio 120:200 to a fraction in simpliest form

Math
Jake says that adding 0 does not change a sum. Is he correct? explain.

Math
Ms. Poole, my PE teacher, asked the 100 seventh in my school if they could swim. Half the boys and two thirds of the girls said yes. Seventeen boys said no. How many seventh graders know how to swim?

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