The table lists future concentrations of a certain greenhouse gas in parts per billion (ppb), if current trends continue.a. Let x = 0 correspond to 2010 and x = 20 correspond to 2030. Find C and a so that f(x) = Ca* models the data.b. Estimate the gas concentration in 2023.a.2010YearGas (ppb) 0.66 0.77 0.89C =2015 2020 20251.03a(Round to the nearest hundredth.)20301.19

The table lists future concentrations of a certain greenhouse gas in parts per billion (ppb), if…

Answered: The table lists future concentrations…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A nkcschools.instructure.com A population of 20 rabbits is introduced into an environment with a carrying capacity of 500 rabbits. The rabbit population increases by 10% every month. Make a logistic model that gives the number of rabbits N after t months. Use t as your variable and round r to three decimal places. Edit View Insert Format Tools Table 12pt v Paragraph v BIUA v ev T? v ...
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Q.4. with A-50, a=10. What is the probability of the precipitation to remain in the range of 45 and Annual depth of precipitation X (cm) is assumed to be lognormally distributed 62 cm? Str
plot the data points and find a logistic model of the form P(t) - c/1+a*e^-bt what is the value of c and what does c represent year population 1700 .6 1803 1 1928 2 1950 2.5 1960 3 1987 5 2019 7.7 2050 9.7 2100 10.9
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Consider the plot of the total number E of Ebola cases in West Africa reported to the Centers for Disease Control and Prevention from April 1, 2014, through December 1, 2015. D +|+|||||||||||||||| ► Ebola Cases in West Africa E = A logistic fit for these data is given by 27,841.42 1 + 134.65-0.646 where t is the time in months since April 1, 2014. Below, we have added the graph of this model. +-+|||||||||||||||||| ► Logistic Graph Added (a) Does the first plot, "Ebola Cases in West Africa," show a continuing epidemic or a health crisis that is under control by December 2015? Because the data points appear to be [leveling off ✔✔✔, they show a health crisis that is under control (b) According to the model, what was the total number of cases when the disease was spreading at the fastest rate? Round your answer to the nearest whole number. 27021.61 x cases (c) Use the crossing-graphs method to determine when the disease was growing at the fastest rate. Round your answer, in months after…
One of the possible models for the coronavirus is the logistic curve, shown here without scale. This curve shows the total number of cases of people infected with the virus. The rate of change for this curve is the number of ca es per day. 1. On the curve, mark the point at which the number of cases per day is greatest. What is a mathematical term for this point? 2. One of the criteria for re-opening activities is fourteen consecutive da s with a decreasing number of cases. Where is this on the curve? Number of Infected people as a function of time

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