# Posts by thuy

Total # Posts: 21

Healthcare Finance
Could someone help me find a listing of expenses by diagnosis or by procedure for a healthcare organization? I have tried to google but could not find anything. Thanks!

physics
A electric model train travels at 0.339 m/s around a circular track of radius 1.75 m. How many revolutions does it perform per second, i.e, what is the motion's frequency?

physics
A electric model train travels at 0.339 m/s around a circular track of radius 1.75 m. How many revolutions does it perform per second, i.e, what is the motion's frequency?

Chemistry
During an experiment, a student adds 0.339 g of calcium metal to 100.0 mL of 2.05 M HCl. The student observes a temperature increase of 11.0 °C for the solution. Assuming the solutions' final volume is 100.0 mL, the density is 1.00 g/mL, and the specific heat is 4.184 ...

Math
f(-2) = 2 |-2-2| f(x^2+2) = 2|x^2+2-2|

earth
Suppose that an object on Earth has a known mass of 80 kgs. Will the mass of that object be less than, more than, or the same as on the other planets in our solar system? Explain your answer.

Physics
A bucket full of water (15kg) is swung in a vertical circle on a rope 1.5m long. What is the minimum speed it can be swung so that the water doesn't fall out at the top? Which equations should I start with first?

AP Chemistry
Each increase in pressure of 100 atm decreases the melting point of water by 1.0 degrees C. Estimate the temperature at which liquid water freezes under a pressure of 400 atm. How do I approach this problem?

Physics
My problem question: "A ball is thrown up onto a roof, landing 4.0 seconds later at a height of 20.0 m above where it was thrown. The ball's velocity vector upon landing on the roof top was angled 60 degrees to the horizontal flat roof top. Find the horizontal ...

Physics
So, would the components look something like this: 450cos200 450sin200 350cos130 350sin130

Physics
That doesn't require me to find the x and y components of those vectors, does it?

writing
i'm suppose to find at least 50 sources for my paper...i'm wondering which sites are the good ones??? i'm researching about rice and must find its problem. thanks

Writing
what is the difference between literary analysis and rhetorical analysis?

Writing
i'm writing a rhetorical paper on the film, Blade Runner. How do i analyze a film? what are the main points that i'm suppose to look for?

chemistry
i don't think it's correct if we take the ratio of the absorbance because both are not from one concentration.

chemistry
The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.500. If a trial's absorbance is measured to be 0.310 and its initial concentration of SCN– was 0.0010 M, the equilibrium ...

Math
400

Math
53.3

chemistry
A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std) for this standard solution is assumed to be ?M.

history
the major event preceding the founding of the nation and relate their significance to the development of America

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