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Elementary Technical Mathematics

12th Edition
Dale Ewen
Publisher: Cengage Learning
ISBN: 9781337630580

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Chapter
Section
BuyFindarrow_forward

Elementary Technical Mathematics

12th Edition
Dale Ewen
Publisher: Cengage Learning
ISBN: 9781337630580
Chapter 14.5, Problem 27E
Textbook Problem
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See Illustration 9. Deloney and Jackson Streets meet at a 45 ° angle. A lot extends 5 0 ¯ yards along Jackson and 4 0 ¯ yards along Deloney. Find the length of the back border.

Chapter 14.5, Problem 27E, See Illustration 9. Deloney and Jackson Streets meet at a 45 angle. A lot extends 50 yards along

ILLUSTRATION 9

To determine

To calculate: The length of the back border when the meeting point of Jackson Streets and Deloney Streets is at 45° an angle. 50¯ yards extends a lot along Jackson and 40¯ yards extends along Deloney.

Explanation of Solution

Given Information:

The provided figure is shown below;

Formula used:

The cosine law is,

c2=a2+b22abcosC

Where, a, b and c are the length. C is the angle between two points.

Calculation:

Consider the provided diagram;

Use the formula, c2=a2+b22abcosC to find side c.

c2=(40¯)2+

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Chapter 14 Solutions

Elementary Technical Mathematics
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Ch. 14.1 - Find each value rounded to four significant...Ch. 14.1 - Find each value rounded to four significant...Ch. 14.1 - Graph each equation for value of x between 0 and...Ch. 14.1 - Graph each equation for value of x between 0 and...Ch. 14.1 - Graph each equation for value of x between 0 and...Ch. 14.1 - Graph each equation for value of x between 0 and...Ch. 14.1 - Graph each equation for values of x between 0 and...Ch. 14.1 - Graph each equation for values of x between 0 and...Ch. 14.1 - Graph each equation for values of x between 0 and...Ch. 14.1 - Graph each equation for values of x between 0 and...Ch. 14.1 - The maximum voltage in a simple generator is V....Ch. 14.1 - The maximum voltage in a simple generator is V....Ch. 14.1 - The maximum current is a simple generator is I....Ch. 14.1 - The maximum current is a simple generator is I....Ch. 14.1 - Fro the graph in Exercises 21, estimate the value...Ch. 14.1 - Find the graph in Exercises 22, estimate the value...Ch. 14.1 - From the graph in Exercises 23, estimate the value...Ch. 14.1 - From the graph in Exercises 24, estimate the value...Ch. 14.1 - Find the period of a wave whose frequency is 5.0...Ch. 14.1 - Find the period of a wave whose frequency is 1.1...Ch. 14.1 - Find the frequency of a wave whose period is 0.56...Ch. 14.1 - Find the frequency of a wave whose period is 25 s.Ch. 14.1 - A radar unit operates at a wavelength of 3.4 cm....Ch. 14.1 - A local AM radio station broadcasts at 1400 kHz....Ch. 14.1 - Find the speed of a wave having frequency 4.50/s...Ch. 14.1 - Find the wavelength of water waves with frequency...Ch. 14.1 - Radio antennas are made so that the...Ch. 14.2 - Find the period and amplitude, and graph at least...Ch. 14.2 - Find the period and amplitude, and graph at least...Ch. 14.2 - Find the period and amplitude, and graph at least...Ch. 14.2 - Find the period and amplitude, and graph at least...Ch. 14.2 - Find the period and amplitude, and graph at least...Ch. 14.2 - Find the period and amplitude, and graph at least...Ch. 14.2 - Find the period and amplitude, and graph at least...Ch. 14.2 - 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