Chapter 8 - XYZ Custom Plus

8.1 Problem Set455D Applying the Concepts [Example 9]81. The London Eye has aheight of 450 feet. Describethe location ofsomeone standing onthe ground in relation tosomeone at the top of theLondon Eye.© 2008 Infoterra ltd & blueskyImage © 2008 bluesky82. The Eiffel Tower has severallevels visitors canwalk around on. The firstis 57 meters above theground, the second is 115meters high, and the thirdlevel is 276 meters high.What is the location ofsomeone standing on thefirst level in relation tosomeone standing on thethird level?Image © Aerodata InternationalSurveys© Cnes/Spot ImageImage © 2008 DigitalGlobe83. The Bright Angel trail at Grand Canyon National Parkends at Indian Garden, 3,060 feet below the trailhead.Write this as a negative number with respect to thetrailhead.84. The South Kaibab Trail at Grand Canyon National Parkends at Cedar Ridge, 1,140 feet below the trailhead.Write this as a negative number with respect to thetrailhead.85. Car Depreciation Depreciation refers to the decline in acar’s market value during the time you own the car.According to sources such as Kelley Blue Book andEdmunds.com, not all cars depreciate at the samerate. Suppose you pay $25,000 for a new car whichhas a high rate of depreciation. Your car loses about$5,000 in value per year. Represent this loss in valueas a negative number. A car with a low rate of depreciationloses about $2,750 in value each year.Represent this loss as a negative number.86. Census figures In June, 2007 the U.S. Census Bureau releasedpopulation estimates for the twenty-five citieswith the largest population loss between July 1, 2005and July 1, 2006. New Orleans had the largest populationloss. The city’s population fell by 228,782 people.Detroit, Michigan experienced a population loss of12,344 people during the same time period. Representthe loss of population for New Orleans and for Detroitas a negative number.87. temperature and Altitude Yamina is flying from Phoenixto San Francisco on a Boeing 737 jet. When the planereaches an altitude of 33,000 feet, the temperatureoutside the plane is 61 degrees below zero Fahrenheit.Represent this temperature with a negative number. Ifthe temperature outside the plane gets warmer by 10degrees, what will the new temperature be?88. temperature Change At 11:00 in the morning in Superior,Wisconsin, Jim notices the temperature is 15degrees below zero Fahrenheit. Write this temperatureas a negative number. At noon it has warmed up by 8degrees. What is the temperature at noon?