Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 1°
A. -0.54
B. 1.00
C. -1.00
D. 0.54
Answer: B
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Solve.On a construction site, a winch is used to wind cable onto the drum of the winch. For the first layer of cable, the line pull P of the winch is related to the diameter D of the drum by the formula P = 
where k is a constant. If P = 4800 lb and D = 6 in., find the value of the constant k in foot-pounds. (Hint: Convert D to feet first.)
A. 800 ft lb B. 2400 ft lb C. 28,800 ft lb D. 9600 ft lb
Solve the system of equations using the elimination method.
A. (-2, -6) B. (-3, -5) C. All ordered pairs along x - 2y = 10 D. No solution
Solve.The length of a rectangle is 112 in. and the width is 94 in. Find its perimeter.
A. 206 in. B. 318 in. C. 412 in. D. 10,528 in.
The fraternity is electing a national president and there are four candidates: Alberto (A), Bate (B), Carl (C), and Dave (D). The voter preferences are: (CADB) (CABD) (DABC) (BADC) 91 111 121 141 ? Who wins the election using the Hare method? Does this violate any of the fairness criteria? ?
A. Dave. Yes. Condorcet criterion. B. Carl. No. C. Bate. Yes. Condorcet criterion. D. Carl. Yes. Condorcet criterion. E. Bate. No.