Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither. 3x - 4y = 5 8x + 6y = 5
A. Parallel
B. Neither
C. Perpendicular
Answer: C
Mathematics
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Use the 68-95-99.7 rule to solve the problem.Assume that a distribution has a mean of 28 and a standard deviation of 4. What percentage of the values in the distribution do we expect to fall between 24 and 28?
A. 68% B. 34% C. 17% D. 25%
Mathematics
Convert as indicated.39.8 mm to decimeters
A. 3980 dm B. 398 dm C. 3.98 dm D. 0.398 dm
Mathematics
Solve the equation.
log (x + 5) -1 = 0
A. 1005 B. 995 C. -2 D. 9995
Mathematics
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 
. Find this earthquake's magnitude.
?
A. M = 3.8 B. M = 7.8 C. M = 6.5 D. M = 7.1 E. M = 8.7
Mathematics