Answered: (c) Table 1 shows the daily income of…

(c) Table 1 shows the daily income of fruit sellers. 100 120 120 110 200 180 170 160 145 120 Table 1: The daily income fruit sellers

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter7: Matrices And Determinants

Section7.2: Operations With Matrices

Problem 12ECP

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Gary is creating an index that helps compare the salaries of two jobs that he is considering. In the table below, what is the 2017 value for the Salary Index of Job 2? Base Salaries (2015-2017) 2015 2016 2017 Job 1 $30,000 $37,000 $39,000 Job 2 $40,000 $45,000 $53,000 Salary Index (2015-2017) 2015 2016 2017 Job 1 100 123 130 Job 2 100 113 ? 133 153 130 123
Suppose the table below gives the average tuition and fees at 2-year and 4-year state schools in a particular state. Values are adjusted to 2019 dollars. Academic Year 4-year state school 2-year state school 2005-06 $5,904 $2,661 2006-07 $6,066 $2,539 2007-08 $6,289 $2,604 2008-09 $7,222 $2,901 2009-10 $7,738 $3,065 2010-11 $8,035 $3,117 2011-12 $8,154 $3,108 2012-13 $8,497 $3,075 2013-14 $8,578 $3,025 2014-15 $9,390 $3,326 2015-16 $10,004 $3,504 2016-17 $10,474 $3,663 2017-18 $10,789 $3,830 2018-19 $10,874 $3,859 2019-20 $10,900 $3,907 Here is a graph of the information from the table. a. What is the absolute change in tuition and fees at this state's four-year institutions from 2005-06 to 2019-20? b. What is the relative change in tuition and fees at this state's four-year institutions from 2005-06 to 2019-20? Round to the nearest whole percentage…
Suppose the following data show the price in dollars for a general admission ticket to a certain theme park from the year 2000 (period 1) to 2017 (period 18). Price of Admission ($) Year Period Price of Admission ($) 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 80 60 40 20 0- 1 0 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 $43.00 5 $45.00 $47.00 $49.00 $51.75 $56.75 $64.00 $68.00 $72.00 $76.00 $79.00 $82.00 $86.00 $92.00 (a) Construct a time-series plot. 140 120 100- $96.00 $103.00 $107.00 $112.00 10 Period 15 20 Price of Admission ($) 140 T 120- 100 80 60 40+ 20 0 0 5 10 Period 15 20 Price of Admission ($) 140- 120- 100- 80 60+ 40 20 0 0 5 10 Period 15 20 Ⓡ Price of Admission ($) 140- 120+ 100- 80 60+ 40- 20 0 0 5 10 Period 15 20 Ⓡ
Listed below is a company's sales in the period 2000 to 2011 along with the national income of the country, where the business is set up. Year National Income (in millions of $) Company's sales (in thousands of $) 2000 305 470 2001 316 485 2002 358 499 2003 350 515 2004 375 532 2005 392 532 2006 400 556 2007 398 576 2008 430 583 2009 456 587 2010 578 601 2011 498 605 Consider the following as the estimated regression analysis using excel that could be used to estimate the company's yearly sales, given the yearly national income. What is the estimated regression equation that can be used to predict the company's sales using the national income? a. y^=328.9817+0.534x b. y^=0.534+328.9817x c. y=328.9817+0.534x d. y=0.534+328.9817x
The following is a bar graph showing the imports of wheat from 1984-1991: Wheat imports (in thousand tons) for years 1984 to 1991 7000 6616 6000 5432 5000 4002 4000 3264 3000 2000 2000 2000 1600 1198 1000 1984 1986 1988 1990 Year For which year is the amount of wheat imported closest to the average of imports over the entire period? 1995 1987 1986 1984 Wheat imports (in thousand tons)
Example 8. A textile worker in the city of Taxses earns $3,500 per month. The cost of living index for a particular month is given as 136. Using the following information, find out Ihe amount of money he spent on house rent and clothing: Group Expenditure Group Index Food 1.400 180 Clothing ? 150 Housing Rent ? 100 Fuel and lighting 560 110 Miscellaneous 630 80
Federal Income tax owed by a married couple filing jointly can be found from the following table. Married Filing Jointly Taxable Income $0-$18,550 $18,551-$75,300 $75,301-$151,900 $151,901-$231,450 T(x) = $231,451-$413,350 $413,351-$466,950 $466,951 or more 10% if Tax Rate $1,855 plus 15% of the amount over $18,550 $10,367.50 plus 25% of the amount over $75,300 $29,517.50 plus 28% of the amount over $151,900 $51,791.50 plus 33% of the amount over $231,450 $111,818.50 plus 35% of the amount over $413,350 (a) For incomes up to $151,900, write the piecewise defined function T with input x that models the federal tax dollars due as a function of x, the taxable income dollars earned $130,578.50 plus 39.6% of the amount over $466,950 0 < x≤ 18,550 if 18,550 < x≤ 75,300 (b) Use the function to find T(40,000). $ if 75,300 < x≤ 151,900 (c) Find the tax due on a taxable income of $100,000. $ (d) A friend tells Jack Waddell not to earn any money over $75,300 because it will raise his tax rate to…
The following table lists the number of days that five houses had been up for sale, as well as their selling price X (days) Y (in thousands) 45 275 12 401 420 17 212 32 365 What is the projected selling price of a house that has been up for sale in 20 days? O 339,000 O 49,000 O 220,000 O 293,000
Example 20.25 You are given the following price index numbers with base year 1995. Calculate the new price index numbers with base year 2000. Year 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Price Index Number 100 105 110 118 120 125 135 148 152 160
The following table indicates the total number of enrolees of Z-School and the corresponding profit from 2008 to 2016. The figure 250M below means 250 million in pesos: Year Total Enrolment Profit 2008 16,000 15,000 10,500 250M 2009 200M 2010 150M 2011 11,000 180M 2012 11,800 13,400 13,900 190M 2013 200M 2014 220M 14,000 13,200 2015 240M 2016 180M a. Compute for b and m in the regression equation. b. Give the regression equation. c. Predict the school's profit in 2017 when the total enrolment is 12,000.
(Agriculture). Table 3 shows the yield (in bushels per acre) and the total production (in millions of bushels) for corn in the United States for selected years since 1950. (Use 4 decimal places in all answers.) Table 3: US Corn Production Year Yield (bushels per acre) Total Production (million bushels) 1950 1960 |1970 37.6 2,782 3,479 55.6 81.4 4,802 1980 1990 2000 97.7 6,867 115.6 7,802 139.6 10,192 A. Let x represent years since 1900 and find the logarithmic model for the yield. Y(x) = B. What is the r? value for the equation in part A? r2 = C. Let x represent years since 1900 and find the logarithmic model for the production. P(x) = D. What is the r2 value for the equation in part C? r2 =
Use the table to answer the following questions. Year U.S population (millions) Traffic fatalities Licensed drivers(millions) Vehicle-miles (trillions) 1995 263 41,817 177 2.4 2015 321 35,092 218 3.1 Find and compare death rates per person and per 100,000 people for traffic fatalities per two years. Express the 1995 and 2015 fatality rates in deaths per100 million vehicle-miles traveled. Express the 1995 and 2015 fatality rates in deaths per 100,000 population. Express the 1995 and 2015 fatality rates in deaths per 100,000 licensed drivers