The Richter scale measures the magnitude of an earthquake based on the amount of energy determined by the ground motion from a set distance from the epicenter of the quake. The magnitude is given by M=2/3 log (E/10^11.8). If the magnitude of an earthquake was 7.2, how much energy was released by the earthquake?

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Find the value of x for which line a is parallel to line b