Solve the problem.If one earthquake is 199,526 times as intense as another, what is the difference in the Richter scale readings of the two earthquakes? The Richter Scale reading is given by 
where x is the intensity of the earthquake, and I0 is the intensity of a small, measurable earthquake. (Consider 
for this problem.)
A. 12.2
B. 5.3
C. 0.53
D. 4.3
Answer: B
Mathematics
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Identify the conic section represented by the equation.15y2 = 9x - x2
A. hyperbola B. circle C. ellipse D. parabola
Mathematics
Simplify the expression. Assume that all variables represent nonnegative real numbers.3
+ 3
A. 24x
B. 24
C. 3
D. 8
Mathematics
Evaluate the exponential expression.23 ? 4
A. 512 B. 32 C. 12 D. 24
Mathematics
Which method should be used to solve the system? Explain your answer, including a description of the first step.2x2 - 4y2 =49x + 9y =-1
What will be an ideal response?
Mathematics