Please help write answer on the computer Exercise 10. Space Launches The data show the number of U.S. space launches for the 10-yearperiods from 1960 to 2009. Construct a time series graph for the data and analyze the graph.Solution :60-69Solution :YearLaunches 61470-79 80-89 90-99199300247Exercise 11. High School Dropout Rate The data show the high school dropout rate for studentsfor the years 2003 to 2009. Construct a time series graph and analyze the graph.100-109206Year 2003 2004 2005Percent 9.9 10.3 9.42006 2007 2008 20099.3 8.7 8.0 8.1

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Answered: Exercise 10. Space Launches The data…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter4: Linear Functions

Section4.3: Fitting Linear Models To Data

Problem 24SE: Table 6 shows the year and the number ofpeople unemployed in a particular city for several years....

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Depreciation Once a new car is driven away from the dealer, it begins to lose value. Each year, a car loses 10% of its value. This means that each year the value of a car is 90% of the previous year’s value. If a new car was purchased for $20,000, the value at the end of the first year would be $20000(0.90) and the value of the car after the end of the second year would be $20000(0.90)2. Complete the table shown below. What will be the value of the car at the end of the eighth year? Simplify the expression, to show the value in dollars.
Table 6 shows the year and the number ofpeople unemployed in a particular city for several years. Determine whether the trend appears linear. If so, and assuming the trend continues, in what year will the number of unemployed reach 5 people?
Epidemic Model In a population of 200,000 people, 40,000 are infected with a virus. After a person becomes infected and then recovers, the person is immune cannot become infected again. Of the people who are infected, 5 will die each year and the other will recover. Of the people who have never been infected, 25 will become infected each year. How many people will be infected in 4 years?
Continued This is a continuation of Exercise 13. As we saw earlier, the stock turnover rate of an item is the number of times that the average inventory of the item needs to be replaced as a result of sales in a given time period. Suppose that a hardware store sells 80 shovels each year. a. Suppose that the hardware store maintains an average inventory of 5 shovels. What is the annual stock turnover rate for the shovels? How is this related to the yearly number of orders to the wholesaler needed to restock inventory? b. What would he the annual stock turnover rate if the store maintained an average inventory of 20 shovels? c. Write a formula expressing the annual stock turnover rate as a function of the average inventory of shovels, identify the function and the variable, and state the units.

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Exercise 10. Space Launches The data show the number of U.S. space launches for the 10-year periods from 1960 to 2009. Construct a time series graph for the data and analyze the graph. Solution : 60-69 70-79 80-89 90-99 100-109 206 247 199 300 Year Launches 614