Solve the problem.A rain gutter is made from sheets of aluminum that are 18 inches wide by turning up the edges to form right angles. Determine the depth of the gutter that will maximize its cross-sectional area and allow the greatest amount of water to flow.
A. 4.5 in.
B. 5 in.
C. 5.5 in.
D. 4 in.
Answer: A
Mathematics
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Perform the indicated operation. Assume that all variables represent nonnegative real numbers.5
+ 5
A. 5
B. 35x
C. 35
D. 7
Mathematics
Determine whether the sequence is geometric.an = 4
n
A. Geometric B. Not geometric
Mathematics
Solve the problem.The perimeter of a rectangular room is 190 feet. Find the length and width of the room if the length is 5 feet longer than twice the width.
A. width = 35 ft; length = 75 ft B. width = 30 ft; length = 65 ft C. width = 45 ft; length = 50 ft D. width = 60 ft; length = 130 ft
Mathematics
Graph the circle.(x - 1)2 + (y + 4)2 = 25
A. 
B. 
C. 
D. 
Mathematics