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43. Interior Design Use the diagram for Exercises 39 to 42. At a cost of $28.50 per square meter, how much will it cost to carpet the area? C

43. Interior Design Use the diagram for Exercises 39 to 42. At a cost of $28.50 per square meter, how much will it cost to carpet the area? C

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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37. Agricu Find the area watered by the irrigation system. Use 3.14 for T. 38. Geography The shape of the state of Massachusetts can be approximated by a rectangle with a length of 150 mi and a width of 70 mi. Use these dimensions to approximate the area of Massachusetts. Interior Design A carpet is to be installed in one room and a hall- way, as shown in the diagram at the right. For Exercises 39 to 42, state whether the given expression can be used to calculate the area of the carpet in square meters. 39. 4.5(6.8) + 10.8(1) 41. 10.8(1) + 3.5(6.8) 40. 4.5(10.8) - 3.5(4) 42. 4.5(6.8) + 1(4) 43. Interior Design Use the diagram for Exercises 39 to 42. At a cost of $28.50 per square meter, how much will it cost to carpet the area? 44. Landscaping Find the area of a concrete driveway with the mea- surements shown in the figure. 45. Interior Design You want to tile your kitchen floor. The floor mea- sures 12 ft by 9 ft. How many tiles, each a square with side 1 ft, should you purchase for the job? 4.5 m 30 ft 25 6.8 m 46. Interior Design You are wallpapering two walls of a child's room. One wall mea- sures 9 ft by 8 ft, and the other measures 11 ft by 8 ft. The wallpaper costs $34.50 per roll, and each roll of the wallpaper will cover 40 ft². What is the cost to wallpaper the two walls? 10.8 m 20 75 ft 3.5cm уст 50 ft ©Corbis Premium BE 1 m 10
Transcribed Image Text:37. Agricu Find the area watered by the irrigation system. Use 3.14 for T. 38. Geography The shape of the state of Massachusetts can be approximated by a rectangle with a length of 150 mi and a width of 70 mi. Use these dimensions to approximate the area of Massachusetts. Interior Design A carpet is to be installed in one room and a hall- way, as shown in the diagram at the right. For Exercises 39 to 42, state whether the given expression can be used to calculate the area of the carpet in square meters. 39. 4.5(6.8) + 10.8(1) 41. 10.8(1) + 3.5(6.8) 40. 4.5(10.8) - 3.5(4) 42. 4.5(6.8) + 1(4) 43. Interior Design Use the diagram for Exercises 39 to 42. At a cost of $28.50 per square meter, how much will it cost to carpet the area? 44. Landscaping Find the area of a concrete driveway with the mea- surements shown in the figure. 45. Interior Design You want to tile your kitchen floor. The floor mea- sures 12 ft by 9 ft. How many tiles, each a square with side 1 ft, should you purchase for the job? 4.5 m 30 ft 25 6.8 m 46. Interior Design You are wallpapering two walls of a child's room. One wall mea- sures 9 ft by 8 ft, and the other measures 11 ft by 8 ft. The wallpaper costs $34.50 per roll, and each roll of the wallpaper will cover 40 ft². What is the cost to wallpaper the two walls? 10.8 m 20 75 ft 3.5cm уст 50 ft ©Corbis Premium BE 1 m 10
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