The earth rotates through one complete revolution every 24 hours. Since the axis of rotation is perpendicular to the equator, you can think of a person standing on the equator as standing on the edge of a disc that is rotating through one complete revolution every 24 hours. Find the angular velocity of a person standing on the equator.
?
A. 0.262rad/hr
B. 0.267rad/hr
C. 0.278rad/hr
D. 0.279rad/hr
E. 0.274rad/hr
Answer: A
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Identify the rules of algebra illustrated from left to right by the following statement. (z? - 7) + 7 = z + (-7 + 7) = z + 0 = z
A. commutative property of addition; additive inverse property; additive identity property B. associative property of addition; additive inverse property; additive identity property C. commutative property of addition; additive identity property; additive inverse property D. associative property of addition; additive identity property; additive inverse property E. distributive property; additive identity property; additive inverse property
Solve the right triangle ABC with C = 90°. Your answer should give an angle in decimal degrees when given an angle in decimal degrees and in degrees and minutes when given an angle in degrees and minutes. Use the rules for significant digits.A = 71.2°, c = 9.03 cm
A. B = 28.8°, a ? 8.55 cm, b ? 2.91 cm B. B = 28.8°, a ? 2.91 cm, b ? 8.55 cm C. B = 18.8°, a ? 2.91 cm, b ? 8.55 cm D. B = 18.8°, a ? 8.55 cm, b ? 2.91 cm
For the given functions f and g, find the requested function and state its domain.f(x) = 
; g(x) = 
Find f ? g.
A. (f ? g)(x) = 
; {x|x ? -13, x ? 0}
B. (f ? g)(x) = 
; {x|x ? 0}
C. (f ? g)(x) = 
; {x|x ? -13, x ? 0}
D. (f ? g)(x) = 
; {x|x ? -13, x ? 0}
Write the following as a rate in lowest terms.$343 for 49 magazines
A. 
B. 
C. 
D. 