Solve the problem.The angular acceleration ? (in rad/s2) of the wheel of a car is given by ?(t) = -5.8t3 + 28.84t2,where t is the time (in s). For what values of t is ? = 23.04 rad/s2?
A. 1, -0.8276
B. 1, 4.8, -0.8276
C. 1, 4.8
D. 4.8, -0.8276
Answer: C
Mathematics
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Subtract.938
A. 384 B. 1492 C. 284 D. 376
Mathematics
Write the interval as an inequality involving x, and illustrate the inequality using the real number line.[-2, ?)
A. x ? -2
B. x ? -2
C. x > -2
D. x > -2
Mathematics
Solve the problem.Mr. Dresden grosses $500 a week. If his take-home pay is $423.86, how much money was deducted from his gross weekly pay?
A. $77.24 B. $76.24 C. $76.14 D. $77.14
Mathematics
Find all numbers for which the rational expression is not defined.
A. b = 0 B. None C. b = -8 D. b = 8
Mathematics