Solve the problem.A rectangular carpet has a perimeter of 248 inches. The length of the carpet is 72 inches more than the width. What are the dimensions of the carpet?
A. length: 98 in.; width: 26 in.
B. length: 124 in.; width: 98 in.
C. length: 124 in.; width: 111 in.
D. length: 101 in.; width: 75 in.
Answer: A
Mathematics
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True or false?The radius of a circle that circumscribes a quadrilateral is the distance from the center of the circle to any of the perpendicular bisectors.
A. True B. False
Mathematics
Find all solutions to the equation. Express your answer in degrees.cos2 t - 9 cos t + 18 = 0
A. 45° + 90°? n B. No solutions C. 60° + 180°? n D. 90° + 360°? n
Mathematics
Solve the problem.The perimeter of a rectangle is 40 inches and its area is 99 square inches. What are its dimensions?
A. 8 in. by 10 in. B. 9 in. by 11 in. C. 8 in. by 12 in. D. 10 in. by 10 in.
Mathematics
Graph the function.f(x) = e-x
A. 
B. 
C. 
D. 
Mathematics