Identify the place value of the digit 5 in the decimal number. 7.912051
A. hundred-thousandths
B. hundredths
C. thousandths
D. ten-thousands
Answer: A
Mathematics
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If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the acceleration vector.r(t) = (3 ln(8t))i + (2t3)j
A. a = - 
i + 12tj
B. a = 
t-2i + 12tj
C. a = 
i + 6tj
D. a = - 
t-2i + 12tj
Mathematics
Provide an appropriate response.Find the domain of the function: f(t) = 
What will be an ideal response?
Mathematics
List the quadrant(s) in which the given point is located. (-6, 0)
A. IV B. III C. II D. On an axis
Mathematics
Find the expected value for the random variable x having this probability function.
A. 16 B. 12.4 C. 13.2 D. 13
Mathematics