Thursday
December 12, 2013

# Posts by Brittney

Total # Posts: 189

math
if sam earned \$4,000 and gave 1/5 wawy and invested 1/2 of the remaining amount how much did he have left?

math(unit rate)
\$3\4LB

math
joe borrows \$4,000, the loan is for 18 months at 5% interest, whats the total amount due on the loan?

Chemistry II
Why is YBa2Cu3O7 a super conductor? Explain Chemistry and Structural bases.

Chemistry
Show, with equations, why the solution from which BaSo4 is precipitated cannot be allowed to be more then 0.01-0.05M in HCl.

chemistry
How many monosaccharides most likely make up this molecule: C 10H20 O10

physics
As part of a training program, an athlete runs while holding 8.00 weights in each hand. As he runs, the weights swing through a 30.0 arc in . His hands are 72 from his shoulder joint, and they are light enough that we can neglect their weight compared with that of the 8.00 wei...

Math
Alex has 7 dimes and 3 nickels.What fraction of the coins are dimes?

algebra
Suppose that Maria has 140 coins consisting of pennies, nickels, and dimes. The number of nickels she has is 9 less than twice the number of pennies; the number of dimes she has is 19 less than three times the number of pennies. How many coins of each kind does she have?

College Algebra
The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assuming a Malthusian growth model, find the world population in 44 years.

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