Find the coordinates of the centroid of the curve.Find the coordinates of the centroid of the curve x = e4t cos 4t, y = e4t sin 4t, 0 ? t ? 
.
A. (
, 
) = 
B. (
, 
) = 
C. (
, 
) = 
D. (
, 
) = 
Answer: C
Mathematics
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Perform the following operation with real numbers.2 - 3
A. –5 B. 5 C. 1 D. –2 E. –1
Mathematics
Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 29,400,000,000,000 B. 600,000 C. 29,400,000 D. 600,000,000,000
Mathematics
Answer the question.Fred has taken four exams so far in his Chemistry course. His scores are 89, 71, 76, and 92. What is the average of these scores?
A. 82 B. 78 C. 164 D. 85
Mathematics
Factor the expression completely.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics