Solve.The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 
when the length is 
what is the period when 
A. 1.0 s
B. 4.8 s
C. 1.4 s
D. 5.0 s
Answer: A
Mathematics
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Provide an appropriate response.Solve the system of equations using the substitution method:2x + y = -7x - 4y = 10
A. x = 
, y = -2
B. x = 2, y = -11
C. x = -5, y = -3
D. x = -2, y = -3
Mathematics
Write as a percent. 0.0005
A. 0.5% B. 0.00005% C. 0.05% D. 0.005%
Mathematics
Solve the problem.An open box is to be constructed from a rectangular sheet of cardboard 8 feet wide by cutting out a 2-foot square from each corner and folding up the sides. The volume of the box is to be 
cubic feet. What is the length of the rectangle? 
A. 24 ft B. 8 ft C. 12 ft D. 2 ft
Mathematics
Write the ratio as a fraction in lowest terms.27 miles to 60 miles
A. 
B. 
C. 
D. 
Mathematics