Solve the problem.A pendulum bob swings through an arc 40 centimeters long on its first swing. For each swing thereafter, it swings only 95% as far as on the previous swing. How far will it swing altogether before coming to a complete stop?
A. 
cm
B. 
cm
C. 
cm
D. 800 cm
Answer: D
Mathematics
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Evaluate the integral by first transforming it into integrable form with an appropriate algebraic substitution.
dx
A. 
(x - 2)11/4 + 
(x - 2)7/4 + C
B. 
(x - 2)7/4 + 
(x - 2)3/4 + C
C. 4(x - 2)11/4 + 8(x - 2)7/4 + C
D. 
(x - 2)2 + 2(x - 2) + C
Mathematics
Find the value(s) of the variable for which the rational expression is undefined.
A. -7 B. 0 C. none D. 17
Mathematics
Determine the validity of the argument.Not all cars are considered sporty.Not all cars are safe at high speeds.Therefore sports cars are safe at high speeds.
A. Not valid B. Valid
Mathematics
Write the expression in the form a + bi.
A. 
- 
i
B. 
- 
i
C. 
- 
i
D. 
- 
i
Mathematics