The period T (in seconds) of a pendulum is 
, where L is the length of the pendulum (in feet). Find the period of a pendulum whose length is 10.0000 feet.
?
A. 1.010 sec
B. 3.511 sec
C. 5.511 sec
D. 4.511sec
E. 4.011 sec
Answer: B
Mathematics
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Find 
by using the Chain Rule. Express your final answer in terms of t.w =x2 + xy + y2, x = e2t, y = t
A. 4e4t - 2te2t + 2t B. 4e4t + (2t + 1)e2t + 2t C. 2e4t + (2t + 1)e2t + 4t D. 2e4t + (2t + 1)e2t + 2t
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Factor when possible. If the polynomial is prime, say so.x2 + 9x - 36
A. (x - 12)(x + 3) B. (x - 12)(x + 1) C. (x + 12)(x - 3) D. prime
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Evaluate. Assume u > 0 when ln u appears. 
A. 
(3 + 4x3)5/4 + C
B. - 
(3 + 4x3)-3/4 + C
C. 
(3 + 4x3)5/4 + C
D. 4(3 + 4x3)5/4 + C
Mathematics
Solve the problem.A piece of cable which is 
m long is to be cut into pieces 
m long. How many pieces will there be?
A. 4 pieces
B. 
piece
C. 18 pieces
D. 12 pieces
Mathematics