Solve the problem.The width of a rectangle is four times the length. If the perimeter of the rectangle is 60 feet, find the length.
A. 48 ft
B. 12 ft
C. 6 ft
D. 11 ft
Answer: C
Mathematics
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Perform the indicated operation. If possible, simplify.Multiply:
A. cos2 x B. - cos2 x C. sin2 x - 2sin x - 1 D. sin2 x - sin x - 1
Mathematics
Use the appropriate form of the percentage formula. Round division to the nearest hundredth if necessary.What number is 5
% of 82?
A. 4.26 B. 42.6 C. 426 D. 0.04
Mathematics
Solve the problem.From a group of 15 women and 12 men, a researcher wants to randomly select 8 women and 8 men for a study. In how many ways can the study group be selected?
A. 279,417,600 B. 13,037,895 C. 3,185,325 D. 6930
Mathematics
Find the determinant of the matrix.
a. 111
b. 110
c. -111
d. -110
Mathematics