Saturday

August 29, 2015
Total # Posts: 309

**Math- Fractions**

fr
*November 19, 2007*

**math**

I need help with partial differences method.
*October 23, 2007*

**Math (typo in first)**

How do I go about tackling this problem? (I made a problem-modifying typo in the first) The American Medical Association wishes to determine the percentage of obstetricians who are considering leaving the profession becaose of the rapidly increasing number of lawsuits against ...
*April 29, 2007*

**Math (Statistics)**

How do I go about tackling this problem? The American Medical Association wishes to determine the percentage of obstetricians who are considering leaving the profession becaose of the rapidly increasing number of lawsuits against obstetricians. How large a sample should be ...
*April 29, 2007*

**Social Studies**

During the cold war, the soviet union and the democracies in the west competerd for influrence in the middle east beacuse of its 1. strategic location and valuable resources. 2. vast fertile farmlands and rivers 3. large well-educated population 4. industrial potential 2 is ...
*April 18, 2007*

**Maths**

Solve this equation fo rx in the interval 0<=x<=360 3sinxtanx=8 I would do it this way: sinxtanx = 8/3 sinx(sinx/cosx)=8/3 sin^2x/cosx = 8/3 (1-cos^2x)/cosx=8/3 cross-multiply 3 - 3cos^2x = 8cosx 3cos^2x + 8cosx - 3 = 0 (3cosx-1)(cosx+3)=0 cosx=1/3 or cosx = -3 the last ...
*April 11, 2007*

**Math**

hollis is paying off 2 student loans. One loan charges 7% interest, per year. The other loan charges 9 % interest per year. He owes $1500 more on the 7% loan than he does on the other. Last year he paid a total of $617.00 in interest. what does he owe on each loan what is 2,...
*April 8, 2007*

**Chemistry**

Why is the freezing point depression of potassium ethanoate greater than that of camphor or urea (in benzoic acid), with equal moles of each? Wouldn't the Kethanoate break up into two ions per molecule?
*February 10, 2007*

**Physics Question......many thanks**

why is it 1/50??
*January 15, 2007*