Mathematics, 02.10.2019 13:50, dedgefield
Carbon–14 is a radioactive isotope that decays exponentially at a rate of 0.0124 percent a year. how many years will it take for carbon–14 to decay to 10 percent of its original amount? the equation for exponential decay is at = a0e–rt.
Answers: 1
Mathematics, 21.06.2019 19:00, datands
Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)
Answers: 2
Mathematics, 21.06.2019 23:10, jaylenmiller437
Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth
Answers: 2
Carbon–14 is a radioactive isotope that decays exponentially at a rate of 0.0124 percent a year. how...
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