Provide an appropriate response.
The intensity of an earthquake is measured on the Richter scale by the formula Richter scale rating = log 
, where I0 is the measure of the intensity of a very small earthquake. Use this formula to find the Richter scale rating of an earthquake having intensity 10,000,000I0.
A. 15
B. 6
C. 7
D. 16
Answer: C
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Solve the equation. If the equation is an identity or a contradiction, state this.4(5x - 1) - 2 = 17x + 3
A. x = 27 B. x = 3 C. x = 9 D. x = -3
Determine whether the graph has an Euler path that begins and ends at different vertices. If the graph has such a path, say at which vertices the path must begin and end.
A. Yes; D and F B. Yes; E and B C. No D. Yes; E and F
Solve the system using Cramer's rule and a graphing calculator. (Round to two decimal places.)5.27x - 0.53y = 1-5.83x - 9.51y = 6
A. {(-0.12, 0.70)} B. {(0.70, 0.12)} C. {(-0.70, 0.12)} D. {(0.12, -0.70)}
Solve the problem. Round to two decimal places if needed.Find the area of the sector of a circle of radius 8 centimeters formed by a central angle of 15°.
A. 8.38 square centimeters B. 16.76 square centimeters C. 1.05 square centimeters D. 2.67 square centimeters