Find the length of the arc on a circle of radius r intercepted by a central angle ?. Round answer to two decimal places.r = 4 centimeters, ? = 50°
A. 3.49 centimeters
B. 3.14 centimeters
C. 2.79 centimeters
D. 3.84 centimeters
Answer: A
Mathematics
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Write the complex number in rectangular form.8
A. 
+ 
i
B. 
+ 
i
C. 4 + 4
i
D. 4
+ 4i
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Find the work done in the given situation.Sliding a 400-pound crate 22 feet across the floor by pushing it with a constant force of 267 pounds
A. No work is done B. 12.1 foot-pounds C. 8800 foot-pounds D. 5874 foot-pounds
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Find the x-intercept(s) and the y-intercept of the function.h(x) = x2 - 7x + 10
A. (-2, 0), (-5, 0), (0, 10) B. (2, 0), (-5, 0), (0, 10) C. (2, 0), (5, 0), (0, 10) D. (-2, 0), (5, 0), (0, 10)
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Is ?BCD an exterior angle of ?ABC?
Mathematics