Solve the problem. Round your answer to two decimal places.The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 3 sec when the length is 36 inches, what is the period when 
inches?
A. 3.5 sec
B. 3.75 sec
C. 0.75 sec
D. 3.25 sec
Answer: C
Mathematics
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Solve the problem.For what values of x can we replace cos x by 
with an error of magnitude no greater than 
A. -0.376 ? x ? 0.376 B. -0.311 ? x ? 0.311 C. -0.589 ? x ? 0.589 D. -0.493 ? x ? 0.493
Mathematics
Insert the symbol <, >, or = to form a true statement.0.846 
0.380
A. 0.846 > 0.380 B. 0.846 = 0.380 C. 0.846 < 0.380
Mathematics
Use substitution to determine whether the given ordered pair is a solution of the given equation.(0, 5); x2 + y2 = 25
A. Yes B. No
Mathematics
Find 
.f(x) = 
A. 
B. 
C. 
D. 
Mathematics