Using the Law of Cosines, solve for angle B if a = 47, b = 56, and c = 80.

a. 86.6ø
b. 133.3ø
c. 136.7ø
d. 46.7ø
e. 43.3ø

e. 43.3ø

Mathematics

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Express the integrand as a sum of partial fractions and evaluate the integral.dx

A.  tan-1(5x) -  + C
B. ln  -  + C
C.  tan-1(25x) +  + C
D. tan-1(5x) -  - + C

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Provide an appropriate response.The face value of a promissory note is the amount due to be paid at maturity.

A. True B. False

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Convert. When necessary, round the answer to two decimal places.11.5 minutes =    seconds

A. 1150 B. 230 C. 690 D. 57.5

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Simplify the expression.8a - 5a + 3

A. -3a + 3 B. 3a + 3 C. 6a D. Cannot be simplified

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