Asample of a radioactive isotope had an initial mass of 690 mg in the year 1997 and decays exponentially over time. a measurement in the year 2001 found that the sample's mass had decayed to 390 mg. what would be the expected mass of the sample in the year 2011, to the nearest whole number?

Which term applies to agb and dge? a. obtuse b. supplementary c. complementary d. vertical

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?

Angles 1 and 2 are complimentary angles. angle 1 = 52 degrees. what is the measure of angle 2?