The pendulum on a grandfather clock swings from side to side once every second. If the length of the pendulum is 4 feet and the angle through which it swings is 23°, how far does the tip of the pendulum travel in 1 second?
?
If the answer needs rounding, round it to three significant digits.
?
__________ feet
What will be an ideal response?
1.61
Mathematics
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A. {y 
}
B. {y 
}
C. {y 
}
D. {y 
}
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Solve.The speed s of a vehicle is inversely proportional to the time t it takes to travel a fixed distance. If a vehicle travels a fixed distance at 10 miles per hour in 20 minutes, how fast must it travel to cover the same distance in 50 minutes?
A. 25 mph
B. 4 mph
C. 100 mph
D. 
mph
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Solve by using the quadratic formula.5x = 
A. 
B. 
C. 
D. 
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Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. 
C. (0, 4)
D. none
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