Solve the problem.If one earthquake is 398,107 times as intense as another, what is the difference in the Richter scale readings of the two earthquakes?
A. 5.6
B. 12.9
C. 4.6
D. 0.56
Answer: A
Mathematics
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Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle x2 + y2 = 4.F = -xi - yj
What will be an ideal response?
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Find the exact value of the following expression without using a calculator.sin 
A. 
B. 
C. 
D. 
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Add and simplify.
+ 
A. 
B. 
C. 
D. 
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Simplify.5(6r2 - 9r - 3) - 2(4r2 + 3r + 6)
A. 22r2 - 51r - 27 B. 38r2 - 51r + 27 C. 22r2 + 39r + 27 D. -22r2 + 39r - 27
Mathematics