Evaluate the cylindrical coordinate integral.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find T, N, and B for the given space curve.r(t) = (1 + t)i + (8 + ln (sec t))j - 9k, -?/2 < t < ?/2
A. T = (cos t)i + (sin t)j; N = (- sin t)i + (cos t)j; B = k B. T = (cos t)i - (sin t)j; N = (-sin t)i - (cos t)j; B = -k C. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j; B = -k D. T = (-cos t)i - (sin t)j; N = (-cos t)i + (sin t)j; B = k
Mathematics
Find the sum Sn of the first n terms of the geometric sequence.3, 
, 
, 
, . . . ; n = 8
A. 
B. 
C. 
D. 
Mathematics
Answer the question.A marathoner ran the 26.2 mile New York City Marathon in 2.5 hrs. Did the runner ever exceed a speed of 9 miles per hour?
What will be an ideal response?
Mathematics
Divide.(6r3 - 29r2 - 33r - 54) ÷ (r - 6)
A. r2 + 9r + 7
B. 6r2 + 7r + 
C. 6r2 + 7r + 9
D. 6r2 - 7r - 9
Mathematics