Write a general formula to describe the variation.The centrifugal force F of an object speeding around a circular course varies directly as the product of the object's mass m and the square of it's velocity v and inversely as the radius of the turn r.
A. F = 
B. F = 
C. F = 
D. F = 
Answer: B
Mathematics
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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 11
- 22
B. 11
- 2
C. 
D. 11
+ 22
Mathematics
Evaluate the permutation.
A. 495 B. 19,958,400 C. 3 D. 11,880
Mathematics
Look at the circuit shown below. Find X.
a. Ä
ABC
b. ÄÄÄ
Ä
ABC
c. ÄÄÄ
ABC
d. ÄÄ
Ä
ABC
e. Ä
ÄÄ
ABC
Mathematics
Perform the indicated operation.- 
- 
A. - 1
B. - 
C. 
D. - 
Mathematics