Use the change of base formula and a calculator to approximate the logarithmic expression. Round your answer to four decimal places.log1/52

A. -2.3219
B. -0.3979
C. 1.0000
D. -0.4307


Answer: D

Mathematics

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?Which of the following has the least risk of loss and why? I.  A 70% probability of losing $12,000 and a 30% probability of not losing anything. II.  A 65% probability of losing $6,000 and a 35% probability of not losing anything. ?

A. ?II. has the least risk of losing. The expected value is $2,100. B. ?II. has the least risk of losing. The expected value is $3,900. C. ?I. has the least risk of losing. The expected value is $8,400. D. I. has the least risk of losing. The expected value is $3,900. E. III. has the least risk of losing. The expected value is $6,000.

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Find an equation for the graph.

A. y = 2 cos (4?x)
B. y = 4 cos (2?x)
C. y = 2 cos 
D. y = 4 cos 

Mathematics

Find the area of the shaded region.

?
 
?

A. 3,741 ft2
B. 130 ft2
C. 3,749 ft2
D. 3,725 ft2
E. 260 ft2

Mathematics

Use DeMoivre's Theorem to find the following. Write your answer in standard form. ? ? ?

A.
B. ?
C.
D.
E.

Mathematics