Mathematics for the Trades: A Guided Approach (11th Edition) (What's New in Trade Math)

11th Edition

ISBN: 9780134756967

Author: Hal Saunders, Robert Carman

Publisher: PEARSON

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Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 …

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experime…

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Textbook Question

Chapter 12.1, Problem 2AE

Trades Management The following graph shows the hourly energy consumption of eight different appliances. Study the graph and answer the questions that follow.

Chapter 12.1, Problem 2AE, Trades Management The following graph shows the hourly energy consumption of eight different

(a) Which appliance uses the most energy in an hour?
(b) Which appliance uses the least energy in an hour?
(c) How many Btu/hr does a gas barbecue use?
(d) How many Btu/day (24 hr) would a 50-gal water heater use?
(e) Is there any difference between the energy consumption of the range and that of the top burners plus oven?
(f) How many Btus are used by a log lighter in 15 min?
(g) What is the difference in energy consumption between a 50-gal water heater and a clothes dryer?

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Chapter 12.1, Problem 1AE

Chapter 12.1, Problem 3AE

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Chapter 12 Solutions

Mathematics for the Trades: A Guided Approach (11th Edition) (What's New in Trade Math)

Ch. 12.1 - Solve: 0.82=x100 Ch. 12.1 - Prob. 2LC Ch. 12.1 - Automotive Trades The following bar graph shows...Ch. 12.1 - Trades Management The following graph shows the...Ch. 12.1 - General Interest The following double bar graph...Ch. 12.1 - General Interest The following stacked bar graph...Ch. 12.1 - Allied Health When Dr. Friedrich began working at...Ch. 12.1 - Automotive Trades The following line graph shows...Ch. 12.1 - Construction The following double-line graph...Ch. 12.1 - General Interest Study the circle graph at the top...

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Solution Summary: The author analyzes the bar graph of energy consumption of eight different appliances. The height of the vertical bar corresponding to the appliance ‘range’ is large when compared to all the other appliances, indicating that the consumption per hour by ‘

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Chapter 12 Solutions