Find the indicated quantity for an infinite geometric series.a1 = 2, S = 
, r = ?
A. 8
B. 
C. 
D. 
Answer: C
Mathematics
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Find the distance between the points (-7,-5) and (5,4).
What will be an ideal response?
Mathematics
The position vector of a particle is r(t). Find the requested vector.The velocity at t = 4 for r(t) = (8t2 + 2t + 9)i - 2t3j + (2 - t2)k
A. v(4) = 62i - 96j - 8k B. v(4) = 66i - 96j - 8k C. v(4) = 34i - 32j - 4k D. v(4) = 66i + 96j + 8k
Mathematics
Find the curvature of the space curve.r(t) = (t + 5)i + 4j + (ln(sec t) + 9)k
A. ? = sin t B. ? = csc t C. ? = sec t D. ? = cos t
Mathematics
Write the following as a rate in lowest terms.371 hours for 14 projects
A. 
B. 
C. 
D. 
Mathematics