Mathematics, 12.12.2020 16:10 ameyl
A radioactive material loses 25% of its mass in 10 minutes. What is its half-life?
Answers: 2
Mathematics, 21.06.2019 18:40
A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days
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Mathematics, 21.06.2019 20:00
Someone answer asap for ! 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.
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Mathematics, 22.06.2019 00:30
On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each
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Mathematics, 22.06.2019 02:00
Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1
Answers: 2
A radioactive material loses 25% of its mass in 10 minutes. What is its half-life?...
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