Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = sin 4t + 20, v(0) = - 
, s(0) = 9
A. s = - 
sin 4t + 10t2 + 9
B. s = - 
sin 4t - 10t2 + 9
C. s = - 
cos 4t + 10t2 + 9
D. s = 
cos 4t + 10t2 + 9
Answer: A
Mathematics
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Perform the indicated operations.(9x2 + 15x - 11) + (30x + 11)
A. 54x3 B. 9x2 + 15x + 22 C. 9x2 + 45x D. 9x2 + 45x - 22
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Solve the formula for the specified variable.7x + 10y = 19 for y
A. y = 
x + 
B. y = -
x + 
C. y = 7x - 19
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Solve the system by the Gauss-Jordan method.
?
?
?
A. 
B. ?
C. ?
D. ?
E. inconsistent
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