Mathematics, 12.09.2019 04:30, devilrao6742
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?
Answers: 1
Mathematics, 22.06.2019 00:40, littlemoneyh
M? aoc=96 ? space, m, angle, a, o, c, equals, 96, degree \qquad m \angle boc = 8x - 67^\circm? boc=8x? 67 ? space, m, angle, b, o, c, equals, 8, x, minus, 67, degree \qquad m \angle aob = 9x - 75^\circm? aob=9x? 75 ? space, m, angle, a, o, b, equals, 9, x, minus, 75, degree find m\angle bocm? bocm, angle, b, o, c:
Answers: 2
Mathematics, 22.06.2019 01:00, franklinkaylieg3873
What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5
Answers: 3
Mathematics, 22.06.2019 04:30, alexisss23
Television viewing reached a new high when the global information and measurement company reported a mean daily viewing time of 8.35 hours per household. use a normal probability distribution with a standard deviation of 2.5 hours to answer the following questions about daily television viewing per household. a. what is the probability that a household views television between 4 and 10 hours a day? (to 4 decimals) b. how many hours of television viewing must a household have in order to be in the top 7% of all television viewing household? (to 2 decimals) c. what is the probability that a household views television more than 4 hours a day? (to 4 decimals)
Answers: 1
Asample of a radioactive isotope had an initial mass of 690 mg in the year 1997 and decays exponenti...