Explanation Formula used: Area of trapezoid is calculated as: Area of Trapezoid = 1 2 ( a + b ) h 1 . Calculation: To draw a diagram with the help of the given data. Let h is the total height of the window Height h 1 of the trapezoidal section Use Pythagoras Theorem ( B D ) 2 = ( h 1 ) 2 + ( 1 4 w ) 2 ( 1 2 w ) 2 = ( h 1 ) 2 + ( 1 4 w ) 2 ( h 1 ) 2 = ( 1 2 w ) 2 − ( 1 4 w ) 2 ( h 1 ) 2 = ( 1 2 w ) 2 ( 1 − 1 4 ) Further simplify, ( h 1 ) 2 = ( 1 2 w ) 2 ( 1 − 1 4 ) ( h 1 ) 2 = ( 1 2 w ) 2 ( 3 4 ) ( h 1 ) = ( 3 4 w ) Hence, the height of the trapezoidal section is ( 3 4 w ) . Height h 2 of the rectangular section. h 2 = h − h 1 Substitute h 1 = ( 3 4 w ) in h 2 = h − h 1 . h 2 = h − h 1 = h − ( 3 4 w ) Hence, the height of the rectangular section is ( h − 3 4 w ) . Perimeter of the window. P = Perimeter of upper part of trapezoid + Perimeter of three side of rectangle 5.7 = 1 2 w + 1 2 w + 1 2 w + 2 ( h − 3 4 w ) + w 5.7 = 5 2 w + 2 h − 3 2 w Calculate the value of h : 5 2 w + 2 h − 3 2 w = 5.7 4 h + w ( 5 − 3 ) = 11.4 4 h = 11.4 − w ( 5 − 3 ) h = 11.4 + w ( 3 − 5 ) 4 Area A of the window, A = Area of trapezoid + Area of rectangle A = 1 2 ( 1 2 w + w ) h 1 + h 2 w Substitute h 1 = ( 3 4 w ) , h 2 = ( h − 3 4 w ) and h = 11

11th Edition

ISBN: 9780134508290

Author: Evans

Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)

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Chapter 24.7, Problem 40E

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The dimensions of the window such that it lets in the maximum amount of light.

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Chapter 24.7, Problem 39E

Chapter 24.7, Problem 41E

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Chapter 24 Solutions

EBK BASIC TECHNICAL MATHEMATICS

Ch. 24.1 - For the parabola y = 4 − x2, at the point (3, −5)...Ch. 24.1 - Prob. 2PE Ch. 24.1 - Prob. 1E Ch. 24.1 - Prob. 2E Ch. 24.1 - Prob. 3E Ch. 24.1 - Prob. 4E Ch. 24.1 - Prob. 5E Ch. 24.1 - Prob. 6E Ch. 24.1 - Prob. 7E Ch. 24.1 - Prob. 8E

Ch. 24.1 - Prob. 9E Ch. 24.1 - Prob. 10E Ch. 24.1 - Prob. 11E Ch. 24.1 - Prob. 12E Ch. 24.1 - In Exercises 11–14, find the equations of the...Ch. 24.1 - Prob. 14E Ch. 24.1 - Prob. 15E Ch. 24.1 - Prob. 16E Ch. 24.1 - Prob. 17E Ch. 24.1 - Prob. 18E Ch. 24.1 - Prob. 19E Ch. 24.1 - Prob. 20E Ch. 24.1 - Prob. 21E Ch. 24.1 - Where does the normal line to the parabola y = x —...Ch. 24.1 - Prob. 23E Ch. 24.1 - Prob. 24E Ch. 24.1 - A certain suspension cable with supports on the...Ch. 24.1 - Prob. 26E Ch. 24.1 - Prob. 27E Ch. 24.1 - Prob. 28E Ch. 24.1 - Prob. 29E Ch. 24.1 - Prob. 30E Ch. 24.2 - In Example 1, let x1 = 0.3, and find x2. EXAMPLE...Ch. 24.2 - Prob. 1E Ch. 24.2 - Prob. 2E Ch. 24.2 - Prob. 3E Ch. 24.2 - Prob. 4E Ch. 24.2 - Prob. 5E Ch. 24.2 - Prob. 6E Ch. 24.2 - Prob. 7E Ch. 24.2 - Prob. 8E Ch. 24.2 - Prob. 9E Ch. 24.2 - Prob. 10E Ch. 24.2 - Prob. 11E Ch. 24.2 - Prob. 12E Ch. 24.2 - Prob. 13E Ch. 24.2 - Prob. 14E Ch. 24.2 - Prob. 15E Ch. 24.2 - Prob. 16E Ch. 24.2 - Prob. 17E Ch. 24.2 - Prob. 18E Ch. 24.2 - Prob. 19E Ch. 24.2 - Prob. 20E Ch. 24.2 - Prob. 21E Ch. 24.2 - Prob. 23E Ch. 24.2 - Prob. 24E Ch. 24.2 - Prob. 25E Ch. 24.2 - Prob. 27E Ch. 24.2 - Prob. 28E Ch. 24.2 - Prob. 29E Ch. 24.2 - Prob. 30E Ch. 24.3 - Prob. 1PE Ch. 24.3 - Prob. 1E Ch. 24.3 - Prob. 2E Ch. 24.3 - Prob. 3E Ch. 24.3 - Prob. 4E Ch. 24.3 - Prob. 5E Ch. 24.3 - Prob. 6E Ch. 24.3 - Prob. 7E Ch. 24.3 - Prob. 8E Ch. 24.3 - Prob. 9E Ch. 24.3 - Prob. 10E Ch. 24.3 - Prob. 11E Ch. 24.3 - Prob. 12E Ch. 24.3 - Prob. 13E Ch. 24.3 - Prob. 14E Ch. 24.3 - Prob. 15E Ch. 24.3 - Prob. 16E Ch. 24.3 - In Exercises 11–30, find the indicated velocities...Ch. 24.3 - Prob. 18E Ch. 24.3 - Prob. 19E Ch. 24.3 - Prob. 20E Ch. 24.3 - Prob. 21E Ch. 24.3 - Prob. 22E Ch. 24.3 - Prob. 23E Ch. 24.3 - Prob. 24E Ch. 24.3 - Prob. 25E Ch. 24.3 - Prob. 26E Ch. 24.3 - Prob. 27E Ch. 24.3 - Prob. 28E Ch. 24.3 - Prob. 29E Ch. 24.3 - Prob. 30E Ch. 24.4 - In Example 2, change each 10 to 12, and then...Ch. 24.4 - In Exercises 1 and 2, make the given changes in...Ch. 24.4 - In Exercises 1 and 2, make the given changes in...Ch. 24.4 - In Exercises 3–6, assume that all variables are...Ch. 24.4 - In Exercises 3–6, assume that all variables are...Ch. 24.4 - In Exercises 3–6, assume that all variables are...Ch. 24.4 - In Exercises 3–6, assume that all variables are...Ch. 24.4 - Prob. 7E Ch. 24.4 - Prob. 8E Ch. 24.4 - Prob. 9E Ch. 24.4 - Prob. 10E Ch. 24.4 - Prob. 11E Ch. 24.4 - Prob. 12E Ch. 24.4 - Prob. 13E Ch. 24.4 - Prob. 14E Ch. 24.4 - Prob. 15E Ch. 24.4 - In Exercises 7–42, solve the problems in related...Ch. 24.4 - Prob. 17E Ch. 24.4 - Prob. 18E Ch. 24.4 - Prob. 19E Ch. 24.4 - Prob. 20E Ch. 24.4 - Prob. 21E Ch. 24.4 - Prob. 22E Ch. 24.4 - Prob. 23E Ch. 24.4 - Prob. 24E Ch. 24.4 - Prob. 25E Ch. 24.4 - Prob. 26E Ch. 24.4 - Prob. 27E Ch. 24.4 - In Exercises 7–42, solve the problems in related...Ch. 24.4 - In Exercises 7–42, solve the problems in related...Ch. 24.4 - In Exercises 7–42, solve the problems in related...Ch. 24.4 - Prob. 31E Ch. 24.4 - Prob. 32E Ch. 24.4 - Prob. 33E Ch. 24.4 - Prob. 34E Ch. 24.4 - Prob. 35E Ch. 24.4 - Prob. 36E Ch. 24.4 - In Exercises 7–42, solve the problems in related...Ch. 24.4 - Prob. 38E Ch. 24.4 - Prob. 39E Ch. 24.4 - Prob. 40E Ch. 24.4 - Prob. 41E Ch. 24.4 - Prob. 42E Ch. 24.5 - Prob. 1PE Ch. 24.5 - Prob. 2PE Ch. 24.5 - Prob. 1E Ch. 24.5 - Prob. 2E Ch. 24.5 - Prob. 3E Ch. 24.5 - Prob. 4E Ch. 24.5 - Prob. 5E Ch. 24.5 - Prob. 6E Ch. 24.5 - Prob. 7E Ch. 24.5 - Prob. 8E Ch. 24.5 - Prob. 9E Ch. 24.5 - Prob. 10E Ch. 24.5 - Prob. 11E Ch. 24.5 - Prob. 12E Ch. 24.5 - Prob. 13E Ch. 24.5 - Prob. 14E Ch. 24.5 - Prob. 15E Ch. 24.5 - Prob. 16E Ch. 24.5 - 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A microprocessor chip is being designed with a...Ch. 24.7 - Prob. 18E Ch. 24.7 - What are the dimensions of the largest rectangular...Ch. 24.7 - A rectangular storage area is to be constructed...Ch. 24.7 - Prob. 21E Ch. 24.7 - Prob. 22E Ch. 24.7 - Prob. 23E Ch. 24.7 - Prob. 24E Ch. 24.7 - Prob. 25E Ch. 24.7 - Prob. 26E Ch. 24.7 - Prob. 27E Ch. 24.7 - Prob. 28E Ch. 24.7 - Prob. 29E Ch. 24.7 - Prob. 30E Ch. 24.7 - Prob. 31E Ch. 24.7 - Prob. 32E Ch. 24.7 - Prob. 33E Ch. 24.7 - What is the minimum slope of the curve y = x5 −...Ch. 24.7 - Prob. 35E Ch. 24.7 - Prob. 36E Ch. 24.7 - Prob. 37E Ch. 24.7 - Prob. 38E Ch. 24.7 - Prob. 39E Ch. 24.7 - Prob. 40E Ch. 24.7 - Prob. 41E Ch. 24.7 - Computer simulation shows that the drag F (in N)...Ch. 24.7 - Prob. 43E Ch. 24.7 - The potential energy E of an electric charge q due...Ch. 24.7 - An open box is to be made from a square piece of...Ch. 24.7 - Prob. 46E Ch. 24.7 - Prob. 47E Ch. 24.7 - Prob. 48E Ch. 24.7 - An oil pipeline is to be built from a refinery to...Ch. 24.7 - Prob. 50E Ch. 24.7 - Prob. 51E Ch. 24.7 - Prob. 52E Ch. 24.7 - Prob. 53E Ch. 24.7 - Prob. 54E Ch. 24.8 - Prob. 1PE Ch. 24.8 - Prob. 2PE Ch. 24.8 - Prob. 1E Ch. 24.8 - Prob. 2E Ch. 24.8 - Prob. 3E Ch. 24.8 - Prob. 4E Ch. 24.8 - Prob. 5E Ch. 24.8 - Prob. 6E Ch. 24.8 - Prob. 7E Ch. 24.8 - Prob. 8E Ch. 24.8 - Prob. 9E Ch. 24.8 - Prob. 10E Ch. 24.8 - Prob. 11E Ch. 24.8 - Prob. 12E Ch. 24.8 - Prob. 13E Ch. 24.8 - Prob. 14E Ch. 24.8 - Prob. 15E Ch. 24.8 - Prob. 16E Ch. 24.8 - Prob. 17E Ch. 24.8 - Prob. 18E Ch. 24.8 - Prob. 19E Ch. 24.8 - Prob. 20E Ch. 24.8 - Prob. 21E Ch. 24.8 - Prob. 22E Ch. 24.8 - Prob. 23E Ch. 24.8 - Prob. 24E Ch. 24.8 - Prob. 25E Ch. 24.8 - Prob. 26E Ch. 24.8 - Prob. 27E Ch. 24.8 - Prob. 28E Ch. 24.8 - Prob. 29E Ch. 24.8 - Prob. 30E Ch. 24.8 - Prob. 31E Ch. 24.8 - Prob. 32E Ch. 24.8 - Prob. 33E Ch. 24.8 - Prob. 34E Ch. 24.8 - Prob. 35E Ch. 24.8 - Prob. 36E Ch. 24.8 - Prob. 37E Ch. 24.8 - Prob. 38E Ch. 24.8 - Prob. 39E Ch. 24.8 - Prob. 40E Ch. 24.8 - Prob. 41E Ch. 24.8 - Prob. 42E Ch. 24.8 - Prob. 43E Ch. 24.8 - Prob. 44E Ch. 24 - Prob. 1RE Ch. 24 - Prob. 2RE Ch. 24 - Prob. 3RE Ch. 24 - Prob. 4RE Ch. 24 - Prob. 5RE Ch. 24 - Prob. 6RE Ch. 24 - Prob. 7RE Ch. 24 - Prob. 8RE Ch. 24 - Prob. 9RE Ch. 24 - Prob. 10RE Ch. 24 - Prob. 11RE Ch. 24 - Prob. 12RE Ch. 24 - Prob. 13RE Ch. 24 - Prob. 14RE Ch. 24 - Prob. 15RE Ch. 24 - Prob. 16RE Ch. 24 - Prob. 17RE Ch. 24 - Prob. 18RE Ch. 24 - Prob. 19RE Ch. 24 - Prob. 20RE Ch. 24 - Prob. 21RE Ch. 24 - Prob. 22RE Ch. 24 - Prob. 23RE Ch. 24 - Prob. 24RE Ch. 24 - Prob. 25RE Ch. 24 - Prob. 26RE Ch. 24 - Prob. 27RE Ch. 24 - In Exercises 25–32, sketch the graphs of the given...Ch. 24 - Prob. 29RE Ch. 24 - Prob. 30RE Ch. 24 - Prob. 31RE Ch. 24 - Prob. 32RE Ch. 24 - Prob. 33RE Ch. 24 - Prob. 34RE Ch. 24 - Prob. 35RE Ch. 24 - Prob. 36RE Ch. 24 - Prob. 37RE Ch. 24 - Prob. 38RE Ch. 24 - Prob. 39RE Ch. 24 - Prob. 40RE Ch. 24 - Prob. 41RE Ch. 24 - Prob. 42RE Ch. 24 - Prob. 43RE Ch. 24 - Prob. 44RE Ch. 24 - Prob. 45RE Ch. 24 - Prob. 46RE Ch. 24 - Prob. 47RE Ch. 24 - Prob. 48RE Ch. 24 - Prob. 49RE Ch. 24 - Prob. 50RE Ch. 24 - Prob. 51RE Ch. 24 - Prob. 52RE Ch. 24 - In Exercises 49–94, solve the given problems. 53....Ch. 24 - Prob. 54RE Ch. 24 - Prob. 55RE Ch. 24 - Prob. 56RE Ch. 24 - The deflection y (in m) of a beam at a horizontal...Ch. 24 - Prob. 58RE Ch. 24 - Prob. 59RE Ch. 24 - Prob. 60RE Ch. 24 - Prob. 61RE Ch. 24 - Prob. 62RE Ch. 24 - In Fig. 24.75, the tension T supports the 40.0-N...Ch. 24 - Prob. 64RE Ch. 24 - Prob. 65RE Ch. 24 - Prob. 66RE Ch. 24 - An analysis of the power output P (in kW/m3) of a...Ch. 24 - The altitude h (in ft) of a certain rocket as a...Ch. 24 - Prob. 69RE Ch. 24 - Prob. 70RE Ch. 24 - Prob. 71RE Ch. 24 - Prob. 72RE Ch. 24 - Prob. 73RE Ch. 24 - A special insulation strip is to be sealed...Ch. 24 - Prob. 75RE Ch. 24 - Prob. 76RE Ch. 24 - Prob. 77RE Ch. 24 - Prob. 78RE Ch. 24 - Prob. 79RE Ch. 24 - Prob. 80RE Ch. 24 - Prob. 81RE Ch. 24 - Prob. 82RE Ch. 24 - Prob. 83RE Ch. 24 - Prob. 84RE Ch. 24 - Prob. 85RE Ch. 24 - Prob. 86RE Ch. 24 - Prob. 87RE Ch. 24 - Prob. 88RE Ch. 24 - Prob. 89RE Ch. 24 - Prob. 90RE Ch. 24 - Prob. 91RE Ch. 24 - Prob. 92RE Ch. 24 - Prob. 93RE Ch. 24 - Prob. 94RE Ch. 24 - Prob. 95RE Ch. 24 - Prob. 1PT Ch. 24 - Prob. 2PT Ch. 24 - Prob. 3PT Ch. 24 - Prob. 4PT Ch. 24 - Prob. 5PT Ch. 24 - Prob. 6PT Ch. 24 - Prob. 7PT Ch. 24 - Prob. 8PT Ch. 24 - Prob. 9PT Ch. 24 - Prob. 10PT

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