Find the mean of the list of data.59, 65, 49, 61, 46, 65, 47
A. 49
B. 59
C. 56
D. 65
Answer: C
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 velocity vector.r(t) = (cot t)i + (csc t)j
A. v = (-sec2 t)i - (tan t sec t)j B. v = (-csc2 t)i - (cot t csc t)j C. v = (sec2 t)i + (tan t sec t)j D. v = (csc2 t)i + (cot t csc t)j
Mathematics
Find the median for each data set.10, 8, 4, 0, 1, 1, 1, 0, 0
A. 1 B. 0 C. 4 D. 5
Mathematics
Perform the addition. 
A. 398 B. 4,953 C. 5,944 D. 5,844
Mathematics
Perform the division.
A. -8x3 - 3x2 - 5 - 
B. 8x3 + 3x2 + 5 + 
C. 8x3 + 3x2 + 5
D. 8x3 + 11x2 + 5
Mathematics