The polar coordinates of a point are given. Find the rectangular coordinates of the point.
A.
B.
C.
D.
Answer: B
Mathematics
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Determine the logarithm in base 10 of the given number to four decimal places.0.42
A. -0.3675 B. -0.8768 C. -0.8675 D. -0.3768
Mathematics
Find the limit.
A.
B. 3
C. -?
D.
Mathematics
Solve. x + y + z = 7 x - y + 2z = 75x + y + z = 11
A. (1, 2, 4) B. (4, 1, 2) C. (4, 2, 1) D. (1, 4, 2)
Mathematics
Solve the problem.Using a phone card to make a long distance call costs a flat fee of $0.69 plus $0.28 per minute starting with the first minute. What is an equation of the form for this situation?
A. y = 0.28x B. y = 0.69x + 0.28 C. y = 0.69x D. y = 0.28x + 0.69
Mathematics