The population of a certain country is approximated by the following equation, where x is the...
The population of a certain country is approximated by the following equation, where x is the number of years since 1980 and P is the population in millions.
P=2.993x+126.554
Determine the year in which the country had or will have a population of 207,649,000207,649,000
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The population of a certain country is approximated by the
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Styles The data in the accompanying table represent the population of a certain country every 10 years for the years 1900-2000. An ecologist is interested in finding an equation that describes the population of the country over time. Complete parts (a) through (3) below Year, x 1900 1910 1920 1930 1940 1950 Population, y Year, x Population, y 179,323 203,302 79,212 1960 95,228 1970 104,021 1980 123,202 1990 132,164 2000 151,325 226,542 248,709 281,421 (a)Determine the least-squares regression equation, treating...
The population of a certain country was approximately 25 million in 1900, 150 million in 1950, and 375 million in 2000, Construct a model for this data by finding a quadratic equation whose graph passes through the points (0.25),(50,150), and (100,375). Use this model to estimate the population in 2060 Let x be the number of years since 1900 and y be the population in millions y- (Use integers or decimals for any numbers in the expression) According to the...
In 2,006, the population of Hungary was approximated by the function P(t) = 9.906(0.997) where Pis in millions and t is in years since 2,006. What does this model predict for the population of Hungary in the year 2,025? NOTE: Convert your answer to millions of people and round correct (e.g. 3,257,456.85 would round to 3,257,456) 9,356,357 QUESTION 2 How fast does the model predict Hungary's population will be changing from 2,008 to 2,0227 NOTE: Multiply your answer by 1,000,000...
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In the year 2000, the population of a certain country was 278 million with an estimated growth rate of 0.5% per year. Based on these figures, find the doubling time and project the population in 2100. Let y(t) be the population of the country, in millions, t years after the year 2000. Give the exponential growth function for this country's population. y(t) = 1 (Use integers or decimals for any numbers in the expression. Round to four decimal places as...
X Life Sci 7.2.44 Assigned Media Question Help According to data from a medical association, the rate of change in the number of hospital outpatient visits, in millions, in a certain country each year from 1980 to the present can be approximated by t'() = 0.001855-1980)1 25, where tis the year, a. Using the fact that in 1980 there were 284.143,000 outpatient visits, and a formula giving the approximate number of our patient visits as a function of time b....
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