Solve the problem.The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 2 sec when the length is 16 inches, what is the period when 
inches?
A. 2.25 sec
B. 2.75 sec
C. 1 sec
D. 2.5 sec
Answer: C
Mathematics
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Write a word description of the set.{40, 42, 44, 46, ..., 100}
A. all even numbers B. odd numbers from 40 to 100 C. even numbers from 40 to 100 D. numbers from 40 to 100
Mathematics
Solve the equation and check your proposed solution.3.9 = x + 5.5
A. {1.6} B. {9.4} C. {-1.6} D. {0.71}
Mathematics
Determine the size of the sample space for the experiment described.A box contains 13 white cards numbered 1 through 13. State the number of elements in the sample space of the event choosing one card with a number greater than 6.
A. n(S) = 7 B. n(S) = 13 C. n(S) = 8 D. n(S) = 1
Mathematics
Multiply.(6x + 5y)2
A. 6x2 + 60xy + 25y2 B. 6x2 + 25y2 C. 36x2 + 25y2 D. 36x2 + 60xy + 25y2
Mathematics