Mathematics, 29.05.2020 05:00 shanicet047ox9ff6
An element has 280 radioactive atoms. It has a half life of 2 years. How long till it reduces to 35 radioactive atoms? Show your working out and units in your answer.
Answers: 2
Mathematics, 21.06.2019 18:00
Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126
Answers: 1
Mathematics, 21.06.2019 20:40
Lines a and b are parallel. what is the value of x? -5 -10 -35 -55
Answers: 2
Mathematics, 22.06.2019 02:30
Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.
Answers: 3
An element has 280 radioactive atoms. It has a half life of 2 years. How long till it reduces to 35...
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