Solve the problem.The displacement d, in inches, from equilibrium of a weight suspended from a spring is given by d = 1 + 2 sin(15t)°where t in time in seconds. Find the displacement when t = 0, 2, 4, 6, 8, 10, and 12 seconds. Do not use a calculator.
What will be an ideal response?
1 in.; 2 in.; (1 + 
) in.; 3 in.; (1 + 
) in.; 2 in.; 1 in.
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Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the parabola y = 81 - x2 and the x-axis, with density ?(x) = 9x2
A. 
= 
, 
= 0
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 0, 
= 
Solve the problem.The voltage V in a certain circuit is given by V = 6.00 - 230i, where i is the current (in A). For what values of the current is the absolute value of the voltage less than 2.0 V?
A. i < 0.017 or i > 0.035 B. 0.017 < i < 0.035 C. i < 0.035 D. i < 0.017
Change to the measure indicated.884 millimeters to centimeters
A. 88.4 cm B. 88,400 cm C. 8,840 cm D. 8.8 cm
The bowling scores for a group are given.230, 214, 210, 198, 197, 187, 168, 167, 167, 163, 162, 160, 159, 158, 143, 141, 140, 138, 137, 137. Find the quartiles for the set of bowling scores.
A. 192, 167, 142 B. 230, 160, 137 C. 192, 162.5, 142 D. 230, 168.8, 137