2. The following table shows the estimated populations and annual growth rates for four countries in the year 2000. Find theexpected population of each country in 2025, assuming their annual growth rates remain steady.CountryAustraliaPopulation in 200019,169,000Growth Rate0.6%China1,261,832,0000.9%Mexico100,350,0001.8%Zaire51,965,0003.1%(SHOW WORK) 5. Astronomers classify stars according to their brightness by assigning them a stellar "magnitude." The higher the magnitudethe dimmer the star. The dimmest stars visible to the naked eye have stellar magnitudes of 6. The table below shows therelative brightness of different stellar magnitudes.Stellar MagnitudeRelative Brightness234561004016 6.32.51a. Find an equation that gives the relative brightness in terms of stellar magnitude.b. Use this equation to find the relative brightness of a star with magnitude 9.(SHOW WORK)

Answer 2)To find the expected population of each country in 2025, we will use the formula for…

Answered: 2. The following table shows the…

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter12: Sequences, Series And Binomial Theorem

Section12.3: Geometric Sequences And Series

Problem 12.58TI: What is the total effect on the economy of a government tax rebate of $500 to each household in...

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What is the total effect on the economy of a government tax rebate of $500 to each household in order to stimulate the economy if each household will spend of the rebate in goods and services?
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Since the discovery of the tiger gar population in Lake Richmond, the population of bluegill fish has also shown significant change: 2016 2017 2018 2019 2020 2021 2,465 2,092 1,783 1,513 1,287 1,094 If the current change in population continues, how many bluegill could be expected to live in the lake in the year 2025? (Round to the nearest hundredth.)
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The annual revenue of Amazon is given in the table below (sourceLinks to an external site.). Year Amazon Annual Revenue(Billions of US dollars) 2020 386.064 2019 280.522 2018 232.887 2017 177.866 2016 135.987 2015 107.006 2014 88.988 2013 74.452 2012 61.093 2011 48.077 2010 34.204 In what year will the estimated revenue of Amazon be 1,357 billion US dollars? Note: I am asking for the year, not the number of years since 2010. This may happen between two years. Round to the nearest year.
_14. The population of Bogabongan, Leon Postigo was 3,810 in 2006, and is growing at an annual rate of 2.5%. If this growth rate continues, what will be the approximate population in 2022? A. 5,656 B. 5518 C. 5797 D. 5383
Here are annual revenue data in billions of dollars for the 10-year period 2008-2017 for two well-known retailers: Amazon: 19.1; 24.5; 32.4; 48.1; 61.1; 74.5; 89.0; 107.9; 136.0; 177.9. Walmart: 402.2; 406.1; 420.0; 445.0; 467.2; 474.5; 483.5; 480.0; 482.2; 496.8. For each company, use linear extrapolation in Excel to forecast revenue in the year 2021. (Hint: Use either the Trendline option or the Regression tool.) Using the regression tool in Excel (with a constant term), in 2021, Amazon's stock price is forecasted to be $ and Walmart's is forecasted to be $ (Enter your responses rounded to two decimal places.)
3) U.S. Health care expenditures. Because the over-65 population is growing more rapidly in the next few decades health care spending is expected to increase significantly in the next few decades. The following table gives the projected US health care expenditure (in trillions) from 2008 to 2013 Year 2008 2009 2010 2011 2012 2012 Expenditure 2.34 2.47 2.57 2.70 2.85 3.02 a) Draw a scatter diagram for this data. Use “Years since 2008” on the x-axis. Make sure the scatter diagram includes all required elements (axes labels, title, and appropriate scale) b) Use the points for 2009 and 2011 to find an equation of a line modeling this situation c) Use linear regression to find an equation of a line modeling this situation d) Use the equation in b to predict expenditures in 2016 and do this again for the equation in part c. What is the absolute and percentage difference between the two equations (use the equation in c as the base equation in the % calculation) e) Now use…
A famous Chinese restaurant would like to find out the change in demand on its dim-sum. After checking its purchase records in 2020 and 2021, the restaurant collected the data as follows: 2020 2021 Items Price ($) Quantity Price ($) Quantity Shrimp Dumpling 10 60 12 69 Spring Roll 7 51 62 Chicken Feet 8 73 9 77 (a) Using 2020 as the base year, calculate the Laspeyres Price Index of 2021. (b) Using 2020 as the base year, calculate the Paasche Price Index of 2021. (c) Using the result in part (a) and (b), calculate the Fisher Price Index of 2021.

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