The table below shows the scores of a group of students on a 10 point multiple choice placement test.
The average score on the test is
A. 5.5.
B. 5.
C. 6.
D. 6.5.
E. none of these
Answer: C
Mathematics
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Solve the problem.A charged particle of mass m and charge q moving in an electric field E has an acceleration a given by 
where q and E are constants. Find 
.
A. 
= - 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = cos-1
A. 
B. ?
C. 1
D. No limit
Mathematics
Write the ratio as a percent.
A. 13.64% B. 0.73% C. 73.30% D. 7.33%
Mathematics
Solve the system by using Gaussian elimination with backward substitution or by reducing the matrix to reduced-row echelon form. 5x + 41 = -6y-3x - 4y = 27
A. No solution B. (-2, -5) C. (-1, -6) D. (-1, -5)
Mathematics