Find the specified quantity.Find the period of y = 4 sin 
.
A. 
B. 6?
C. 3?
D. 4?
Answer: B
Mathematics
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Find the required quantity given the wire that lies along the curve r and has density ?.Moment of inertia Ix about the x-axis, where r(t) = 
t3/2i + (10t cos t)j + (10t sin t)k, 
A. Ix = 40 B. Ix = 20 C. Ix = 30 D. Ix = 0
Mathematics
Use =, <, or > to write a true statement.
|-0.571|
A. < B. < C. =
Mathematics
Perform the indicated operation. Write your result in scientific notation.(7.4 × 103)(5.5 × 10-2)
A. 407 B. 4.07 × 102 C. 40.7 × 10-6 D. 40.7 × 101
Mathematics
Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in ordered pair form.
A. {(x, 3 - x)} B. {(6, 3)} C. ? D. {(0, 9)}
Mathematics