Solve the problem.Use the formula R = log  + B to find the intensity R on the Richter scale, given that amplitude a is 207 micrometers, time T between waves is 3.5 seconds, and B is 2.7. Round answer to one decimal place.

A. 1.8
B. 7
C. 4.5
D. 6.8


Answer: C

Mathematics

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Decide whether the given functions are inverses.f = {(3, 3), (6, 6), (9, 9), (12, 12), (15, 15)}g = {(3, 3), (-6, 6), (9, 9), (12, 12), (15, 15)}

A. Yes B. No

Mathematics

Express the given complex number in rectangular form.4.594e1.418j

A. 0.6992 + 4.540j B. -1.408 - 0.1675j C. 4.540 + 0.6992j D. -0.1675 - 1.408j

Mathematics

Use the figure below to answer the following question(s). Which of the following statements is true?

A. Graphs 2 and 3 are both eulerizations of Graph 1. B. Graph 3 is an eulerization of Graph 2. C. Graph 2 is an eulerization of Graph 1. D. Graph 3 is an eulerization of Graph 1. E. none of these

Mathematics

Use the Reduction Property to simplify the expression.

A.
B.
C.
D.

Mathematics