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May 19, 2013

Posts by james


Total # Posts: 1623

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What was the significance of the court case of Plessy vs. Ferguson

Math
f(x)=x+4; f(x^2), (f(x))^2

Analytical Chemistry
The question: The pH of a solution is defined as pH = -log[H3O+]. If the pH of a solution is 3.72(+/- 0.03), what is the [H3O+] and its absolute standard deviation? Answer: How would I carry this out? I know to find the hydronium concentration wouldn't i just take e^3.72? ...

Physics
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precal
If the half-life of a certain radioactive substance is 2000 years, estimate how many years must elapse before only 35% of the radioactive substance remains?

algebra 1
3v-4

math 209
find the value of annuity for a 1=$3000, I=0.09, n= 25

its urgent math i need the answer fast
Fist what is a better buy

its urgent math i need the answer fast
Price: 5.49 Unit Rate: 0.04 Price: 1.50 Unit Rate: 0.02 how much would you save in one year?

Hard math
2x^3-x^2-6x __________ 2x^2-7x+6

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