Solve the problem.Sam Peters needs to calculate the effective interest rate of a simple discount note for $4000, at an ordinary bank discount rate of 12%, for 140 days. Find the effective interest rate rounded to the nearest tenth of a percent.
A. 2%
B. 12.4%
C. 12.6%
D. 12.7%
Answer: C
Mathematics
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Solve the problem.A pendulum swings though an angle of 40° each second. If the pendulum is 45 inches long, how far does its tip move each second? If necessary, round the answer to two decimal places.
A. 32.71 in. B. 29.57 in. C. 33.85 in. D. 31.42 in.
Mathematics
Graph the function.y = 3 cos x - sin 3x
A. 
B. 
C. 
D. 
Mathematics
Write out the first five terms of the sequence.
A. 1, 
, 
, 
, 
B. 
, 
, 
, 
, 
C. 2, 
, 
, 
, 
D. 1, 
, 
, 
, 
Mathematics
Write the number in words.22,000,674
A. Two million, two thousand, six hundred seventy-four B. Twenty-two million, six hundred seventy-four C. Twenty-two hundred million, six hundred seventy-four D. Twenty-two million, six thousand seventy-four
Mathematics