Solve the quadratic equation using the quadratic formula.16x2 + 1 = 5x
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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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
Mathematics
Find the difference quotient for the function and simplify it.g(x) = 3x2 + 15x - 6
A. 6x + 15 B. 3x + 6 + 6h C. 6x + 15 + 3h D. 6xh + 15h + 15h2
Mathematics
Solve the equation.b(b + 11) = 0
A. {11, 0} B. {1, -11} C. {-11, 0} D. {-1, -11}
Mathematics
Find the angle between the vectors u and v if 
and 
Round answer to two decimal places.
A. 36.87° B. 37.83° C. 38.28° D. 34.94° E. 35.63°
Mathematics