Use the standard normal curve table to find the z-score for the given condition.74.86% of the total area is to the left of z.
A. 0.67
B. -0.67
C. 0.66
D. 0.68
Answer: A
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = cos(2t)i + 10ln(t - 3)j - 
k
A. v(0) = 2i - 
j
B. v(0) = -
j
C. v(0) = -2i - 
j
D. v(0) = 
j
Mathematics
Solve the problem.The accompanying figure shows the graph of y = x2 shifted to a new position. Write the equation for the new graph.
A. y = x2 + 3 B. y = x2 - 3 C. y = (x - 3)2 D. y = (x + 3)2
Mathematics
Indicate what must be done to each side of the equation in order to isolate the variable.-7x = 1
A. Multiply by - 
B. Divide by 1
C. Divide by -7
D. Divide by 7
Mathematics
Select from the list of numbers all that belong to the specified set.Real numbers7, 
, -9, 0, 
, 
, 
A. 7, -9, 0, 
, 
B. 7, -9, 0, 
, 
C. 7, 
, -9, 0, 
, 
D. 7, -9, 0, 
Mathematics