Write a logical statement representing the circuit.
A. (p ? r) ? (q ? ~r)
B. (p ? r) ? (q ? ~r)
C. (p ? r) ? (q ? ~r)
D. (p ? r) ? (q ? ~r)
Answer: D
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Provide an appropriate response.The standard normal probability density function is defined by f(x) = 
e- x2/2. (a) Show that 
dx = 
.(b) Use the result in part (a) to show that the standard normal probability density function has mean 0.
What will be an ideal response?
Provide an appropriate response.Convert 15 hours to seconds.
A. 54,000 B. 1560 C. 3600 D. 900 E. none of the above
Write the product as a sum or difference of trigonometric functions.2 cos 8x cos 2x
A. cos 6x - cos 10x
B. 
(cos 10x + cos 6x)
C. cos 10x + cos 6x
D. sin 10x + sin 6x
Write the complex number in polar form. Express the argument in degrees.-3
A. 3(cos 90° + i sin 90°) B. 3(cos 180° + i sin 180°) C. 3(cos 0° + i sin 0°) D. 3(cos 270° + i sin 270°)