Provide an appropriate response.Ford milled a square metal rod so that a circle is formed at the end. If the square cross-section is 2.4 mm across the corners, what is the diameter of the circle? 
A. 2.4 mm
B. 0.849 mm
C. 3.394 mm
D. 1.697 mm
Answer: C
Mathematics
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (sin x)cos x
A. cos x cot x - ln (sin x) B. cos x ln ( sin x) C. (sin x)cos x(cos x cot x - sin x ln (sin x)) D. cos x cot x - sin x ln(sin x)
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Multiply.(4x5)(3x2)
A. 12x10 B. 7x10 C. 12x7 D. 7x7
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Arrange in descending powers of x.-11mx - 16mn + 10x4 - 14mx2
A. -16mn - 11mx - 14mx2 + 10x4 B. -11mx - 16mn + 10x4 - 14mx2 C. 10x4 - 14mx2 - 11mx - 16mn D. -11mx - 16mn - 14mx2 + 10x4
Mathematics
Find the requested quantity. Write the answer in simplest form.Find the perimeter.
A. 8
feet
B. 34 feet
C. 
feet
D. 72
feet
Mathematics