Sunday
May 19, 2013

# Posts by scott

Total # Posts: 495

Physics
When a charge of -4 x 10 to the minus 3 coulombs is moved between two points in an electric field, 0.8 joules of work are done on the charge. The potential difference between the two points is 300 V.

Math
How do you know if a relation is a function?

Statistics
Select the best interpretation of the correlation coefficient r = -.87

Statistics
Use the multiple regression equation to predict a persons salary. Assume that the variable A is the number of years of college. Assume that the variable B is the number of years of experience. Suppose the person has 7 years of college and 3 years of experience. What should the...

Social Studies
Why do so many Asian countries speak English or French?

statistics
what is the critical value of this statistic z=1.64 at 0.05 significance?

statistics
what is the critical value of this statistic at 0.05 significance.....z=1.64

math
You brought home 1/2 of a can of paint. You then used 2/3 of the paint to cover a table top. What fraction of a full can of paint did you use? We are multiplying fraction but do I multiply 2/3 paint by 1/1 or do I do 1/2 by 2/3

trig
find, to the nearest tenth of a meter, the length of the arc intercepted by a central angle of 160 degrees if a radius of the circle in 8 meters long

trig
find, to the nearest tenth of an inch, the length of the arc intercepted by a central angle of (4pi)/3 radians if a radius of the circle is 22 inches long

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