Intermediate Algebra
Intermediate Algebra
10th Edition
ISBN: 9781305191495
Author: Jerome E. Kaufmann; Karen L. Schwitters
Publisher: Cengage Learning US
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Concept explainers

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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Chapter 10.CM, Problem 80CM
To determine

To find:

The constant of variation if y varies directly as x.

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Chapter 10 Solutions

Intermediate Algebra

Ch. 10.1 - For Problems 110, answer true or false. To solve a...Ch. 10.1 - Prob. 2CQCh. 10.1 - Prob. 3CQCh. 10.1 - Prob. 4CQCh. 10.1 - Prob. 5CQCh. 10.1 - Prob. 6CQCh. 10.1 - Prob. 7CQCh. 10.1 - For Problems 1-10, answer true or false. The...Ch. 10.1 - Prob. 9CQCh. 10.1 - Prob. 10CQ
Ch. 10.1 - Prob. 1PSCh. 10.1 - Prob. 2PSCh. 10.1 - Prob. 3PSCh. 10.1 - Prob. 4PSCh. 10.1 - Prob. 5PSCh. 10.1 - Prob. 6PSCh. 10.1 - Prob. 7PSCh. 10.1 - Prob. 8PSCh. 10.1 - Prob. 9PSCh. 10.1 - Prob. 10PSCh. 10.1 - Prob. 11PSCh. 10.1 - Prob. 12PSCh. 10.1 - Prob. 13PSCh. 10.1 - Prob. 14PSCh. 10.1 - Prob. 15PSCh. 10.1 - Prob. 16PSCh. 10.1 - Prob. 17PSCh. 10.1 - Prob. 18PSCh. 10.1 - Prob. 19PSCh. 10.1 - For Problems 17-32, indicate the solution set for...Ch. 10.1 - Prob. 21PSCh. 10.1 - Prob. 22PSCh. 10.1 - Prob. 23PSCh. 10.1 - Prob. 24PSCh. 10.1 - Prob. 25PSCh. 10.1 - Prob. 26PSCh. 10.1 - Prob. 27PSCh. 10.1 - Prob. 28PSCh. 10.1 - Prob. 29PSCh. 10.1 - Prob. 30PSCh. 10.1 - Prob. 31PSCh. 10.1 - Prob. 32PSCh. 10.1 - Prob. 33PSCh. 10.1 - Prob. 34PSCh. 10.1 - Prob. 35PSCh. 10.1 - Prob. 36PSCh. 10.2 - Prob. 1CQCh. 10.2 - Prob. 2CQCh. 10.2 - Prob. 3CQCh. 10.2 - Prob. 4CQCh. 10.2 - Prob. 5CQCh. 10.2 - Prob. 1PSCh. 10.2 - Prob. 2PSCh. 10.2 - Prob. 3PSCh. 10.2 - For Problems 126, solve each system by using the...Ch. 10.2 - Prob. 5PSCh. 10.2 - Prob. 6PSCh. 10.2 - Prob. 7PSCh. 10.2 - Prob. 8PSCh. 10.2 - Prob. 9PSCh. 10.2 - Prob. 10PSCh. 10.2 - Prob. 11PSCh. 10.2 - Prob. 12PSCh. 10.2 - Prob. 13PSCh. 10.2 - Prob. 14PSCh. 10.2 - Prob. 15PSCh. 10.2 - Prob. 16PSCh. 10.2 - Prob. 17PSCh. 10.2 - Prob. 18PSCh. 10.2 - Prob. 19PSCh. 10.2 - Prob. 20PSCh. 10.2 - Prob. 21PSCh. 10.2 - Prob. 22PSCh. 10.2 - Prob. 23PSCh. 10.2 - Prob. 24PSCh. 10.2 - Prob. 25PSCh. 10.2 - Prob. 26PSCh. 10.2 - Prob. 27PSCh. 10.2 - Prob. 28PSCh. 10.2 - Prob. 29PSCh. 10.2 - Prob. 30PSCh. 10.2 - Prob. 31PSCh. 10.2 - Prob. 32PSCh. 10.2 - Prob. 33PSCh. 10.2 - Prob. 34PSCh. 10.2 - Prob. 35PSCh. 10.2 - Prob. 36PSCh. 10.2 - Prob. 37PSCh. 10.2 - Prob. 38PSCh. 10.2 - Prob. 39PSCh. 10.2 - Prob. 40PSCh. 10.2 - Prob. 41PSCh. 10.2 - Prob. 42PSCh. 10.2 - Prob. 43PSCh. 10.2 - Prob. 44PSCh. 10.2 - Prob. 45PSCh. 10.3 - Prob. 1CQCh. 10.3 - Prob. 2CQCh. 10.3 - Prob. 3CQCh. 10.3 - Prob. 4CQCh. 10.3 - Prob. 5CQCh. 10.3 - Prob. 6CQCh. 10.3 - Prob. 7CQCh. 10.3 - Prob. 8CQCh. 10.3 - Prob. 1PSCh. 10.3 - Prob. 2PSCh. 10.3 - Prob. 3PSCh. 10.3 - Prob. 4PSCh. 10.3 - Prob. 5PSCh. 10.3 - Prob. 6PSCh. 10.3 - Prob. 7PSCh. 10.3 - Prob. 8PSCh. 10.3 - Prob. 9PSCh. 10.3 - Prob. 10PSCh. 10.3 - Prob. 11PSCh. 10.3 - Prob. 12PSCh. 10.3 - Prob. 13PSCh. 10.3 - Prob. 14PSCh. 10.3 - Prob. 15PSCh. 10.3 - Prob. 16PSCh. 10.3 - Prob. 17PSCh. 10.3 - Prob. 18PSCh. 10.3 - Prob. 19PSCh. 10.3 - Prob. 20PSCh. 10.3 - Prob. 21PSCh. 10.3 - Prob. 22PSCh. 10.3 - Prob. 23PSCh. 10.3 - Prob. 24PSCh. 10.3 - Prob. 25PSCh. 10.3 - Prob. 26PSCh. 10.3 - Prob. 27PSCh. 10.3 - Prob. 28PSCh. 10.3 - Prob. 29PSCh. 10.3 - For Problems 19-48, solve each system by using...Ch. 10.3 - Prob. 31PSCh. 10.3 - Prob. 32PSCh. 10.3 - Prob. 33PSCh. 10.3 - Prob. 34PSCh. 10.3 - Prob. 35PSCh. 10.3 - Prob. 36PSCh. 10.3 - Prob. 37PSCh. 10.3 - Prob. 38PSCh. 10.3 - Prob. 39PSCh. 10.3 - Prob. 40PSCh. 10.3 - Prob. 41PSCh. 10.3 - Prob. 42PSCh. 10.3 - Prob. 43PSCh. 10.3 - Prob. 44PSCh. 10.3 - Prob. 45PSCh. 10.3 - Prob. 46PSCh. 10.3 - Prob. 47PSCh. 10.3 - Prob. 48PSCh. 10.3 - Prob. 49PSCh. 10.3 - Prob. 50PSCh. 10.3 - Prob. 51PSCh. 10.3 - Prob. 52PSCh. 10.3 - Prob. 53PSCh. 10.3 - Prob. 54PSCh. 10.3 - Prob. 55PSCh. 10.3 - For Problems 49-60, solve each problem by setting...Ch. 10.3 - Prob. 57PSCh. 10.3 - Prob. 58PSCh. 10.3 - Prob. 59PSCh. 10.3 - Prob. 60PSCh. 10.3 - Prob. 61PSCh. 10.3 - Prob. 62PSCh. 10.3 - Prob. 63PSCh. 10.3 - Prob. 64PSCh. 10.3 - Prob. 65PSCh. 10.3 - Prob. 66PSCh. 10.3 - Prob. 67PSCh. 10.4 - Prob. 1CQCh. 10.4 - Prob. 2CQCh. 10.4 - For Problems 1-10, answer true or false. Three...Ch. 10.4 - Prob. 4CQCh. 10.4 - Prob. 5CQCh. 10.4 - Prob. 6CQCh. 10.4 - Prob. 7CQCh. 10.4 - Prob. 8CQCh. 10.4 - Prob. 9CQCh. 10.4 - Prob. 10CQCh. 10.4 - Prob. 1PSCh. 10.4 - Prob. 2PSCh. 10.4 - Prob. 3PSCh. 10.4 - Prob. 4PSCh. 10.4 - Prob. 5PSCh. 10.4 - Prob. 6PSCh. 10.4 - Prob. 7PSCh. 10.4 - Prob. 8PSCh. 10.4 - Prob. 9PSCh. 10.4 - Prob. 10PSCh. 10.4 - Prob. 11PSCh. 10.4 - Prob. 12PSCh. 10.4 - Prob. 13PSCh. 10.4 - Prob. 14PSCh. 10.4 - Prob. 15PSCh. 10.4 - Prob. 16PSCh. 10.4 - Prob. 17PSCh. 10.4 - Prob. 18PSCh. 10.4 - Prob. 19PSCh. 10.4 - Prob. 20PSCh. 10.4 - Solve each of the following problems by setting up...Ch. 10.4 - Prob. 22PSCh. 10.4 - Prob. 23PSCh. 10.4 - Prob. 24PSCh. 10.4 - Prob. 25PSCh. 10.4 - Prob. 26PSCh. 10.4 - Prob. 27PSCh. 10.4 - Prob. 28PSCh. 10.4 - Prob. 29PSCh. 10.4 - Prob. 30PSCh. 10.5 - Prob. 1CQCh. 10.5 - Prob. 2CQCh. 10.5 - Prob. 3CQCh. 10.5 - Prob. 4CQCh. 10.5 - Prob. 5CQCh. 10.5 - Prob. 6CQCh. 10.5 - Prob. 7CQCh. 10.5 - Prob. 8CQCh. 10.5 - Prob. 1PSCh. 10.5 - Prob. 2PSCh. 10.5 - Prob. 3PSCh. 10.5 - Prob. 4PSCh. 10.5 - Prob. 5PSCh. 10.5 - Prob. 6PSCh. 10.5 - Prob. 7PSCh. 10.5 - Prob. 8PSCh. 10.5 - Prob. 9PSCh. 10.5 - Prob. 10PSCh. 10.5 - Prob. 11PSCh. 10.5 - Prob. 12PSCh. 10.5 - Prob. 13PSCh. 10.5 - Prob. 14PSCh. 10.5 - Prob. 15PSCh. 10.5 - Prob. 16PSCh. 10.5 - Prob. 17PSCh. 10.5 - Prob. 18PSCh. 10.5 - Prob. 19PSCh. 10.5 - Prob. 20PSCh. 10.5 - Prob. 21PSCh. 10.5 - Prob. 22PSCh. 10.5 - Prob. 23PSCh. 10.5 - Prob. 24PSCh. 10.5 - Prob. 25PSCh. 10.5 - Prob. 26PSCh. 10.5 - Prob. 27PSCh. 10.5 - Prob. 28PSCh. 10.5 - Prob. 29PSCh. 10.5 - Prob. 30PSCh. 10.5 - Prob. 31PSCh. 10.5 - Prob. 32PSCh. 10.5 - Prob. 33PSCh. 10.S - Prob. 1SCh. 10.S - Prob. 2SCh. 10.S - Prob. 3SCh. 10.S - Prob. 4SCh. 10.S - Prob. 5SCh. 10.S - Prob. 6SCh. 10.S - Prob. 7SCh. 10.S - Prob. 8SCh. 10.S - Prob. 9SCh. 10.CR - Prob. 1CRCh. 10.CR - Prob. 2CRCh. 10.CR - Prob. 3CRCh. 10.CR - Prob. 4CRCh. 10.CR - Prob. 5CRCh. 10.CR - Prob. 6CRCh. 10.CR - Prob. 7CRCh. 10.CR - Prob. 8CRCh. 10.CR - Prob. 9CRCh. 10.CR - Prob. 10CRCh. 10.CR - Prob. 11CRCh. 10.CR - Prob. 12CRCh. 10.CR - Prob. 13CRCh. 10.CR - Prob. 14CRCh. 10.CR - Prob. 15CRCh. 10.CR - Prob. 16CRCh. 10.CR - Prob. 17CRCh. 10.CR - Prob. 18CRCh. 10.CR - Prob. 19CRCh. 10.CR - Prob. 20CRCh. 10.CR - Prob. 21CRCh. 10.CR - Prob. 22CRCh. 10.CR - Prob. 23CRCh. 10.CR - Prob. 24CRCh. 10.CR - Prob. 25CRCh. 10.CR - Prob. 26CRCh. 10.CR - Prob. 27CRCh. 10.CR - Prob. 28CRCh. 10.CR - Prob. 29CRCh. 10.CR - Prob. 30CRCh. 10.CR - Prob. 31CRCh. 10.CR - Prob. 32CRCh. 10.CR - Prob. 33CRCh. 10.CR - Prob. 34CRCh. 10.CR - Prob. 35CRCh. 10.CR - Prob. 36CRCh. 10.CR - Prob. 37CRCh. 10.CR - Prob. 38CRCh. 10.CR - Prob. 39CRCh. 10.CR - Prob. 40CRCh. 10.CR - Prob. 41CRCh. 10.CR - Prob. 42CRCh. 10.CT - Prob. 1CTCh. 10.CT - Prob. 2CTCh. 10.CT - Prob. 3CTCh. 10.CT - Prob. 4CTCh. 10.CT - Prob. 5CTCh. 10.CT - Prob. 6CTCh. 10.CT - Prob. 7CTCh. 10.CT - Prob. 8CTCh. 10.CT - Prob. 9CTCh. 10.CT - Prob. 10CTCh. 10.CT - Prob. 11CTCh. 10.CT - For Problems 5-12, solve each of the systems....Ch. 10.CT - Prob. 13CTCh. 10.CT - Prob. 14CTCh. 10.CT - Prob. 15CTCh. 10.CT - Prob. 16CTCh. 10.CT - Prob. 17CTCh. 10.CT - Prob. 18CTCh. 10.CT - Prob. 19CTCh. 10.CT - Prob. 20CTCh. 10.CT - Prob. 21CTCh. 10.CT - Prob. 22CTCh. 10.CT - Prob. 23CTCh. 10.CT - Prob. 24CTCh. 10.CT - Prob. 25CTCh. 10.CM - Prob. 1CMCh. 10.CM - Prob. 2CMCh. 10.CM - Prob. 3CMCh. 10.CM - Prob. 4CMCh. 10.CM - Prob. 5CMCh. 10.CM - Prob. 6CMCh. 10.CM - Prob. 7CMCh. 10.CM - Prob. 8CMCh. 10.CM - Prob. 9CMCh. 10.CM - Prob. 10CMCh. 10.CM - Prob. 11CMCh. 10.CM - Prob. 12CMCh. 10.CM - Prob. 13CMCh. 10.CM - Prob. 14CMCh. 10.CM - Prob. 15CMCh. 10.CM - Prob. 16CMCh. 10.CM - Prob. 17CMCh. 10.CM - Prob. 18CMCh. 10.CM - Prob. 19CMCh. 10.CM - For problems 20-25, factor each of the algebraic...Ch. 10.CM - Prob. 21CMCh. 10.CM - Prob. 22CMCh. 10.CM - Prob. 23CMCh. 10.CM - Prob. 24CMCh. 10.CM - For problems 20-25, factor each of the algebraic...Ch. 10.CM - Prob. 26CMCh. 10.CM - Prob. 27CMCh. 10.CM - Prob. 28CMCh. 10.CM - Prob. 29CMCh. 10.CM - Prob. 30CMCh. 10.CM - Prob. 31CMCh. 10.CM - Prob. 32CMCh. 10.CM - Prob. 33CMCh. 10.CM - Prob. 34CMCh. 10.CM - Prob. 35CMCh. 10.CM - Prob. 36CMCh. 10.CM - Prob. 37CMCh. 10.CM - Prob. 38CMCh. 10.CM - Prob. 39CMCh. 10.CM - Prob. 40CMCh. 10.CM - Prob. 41CMCh. 10.CM - Prob. 42CMCh. 10.CM - Prob. 43CMCh. 10.CM - Prob. 44CMCh. 10.CM - Prob. 45CMCh. 10.CM - Prob. 46CMCh. 10.CM - Prob. 47CMCh. 10.CM - Prob. 48CMCh. 10.CM - Prob. 49CMCh. 10.CM - Prob. 50CMCh. 10.CM - Prob. 51CMCh. 10.CM - Prob. 52CMCh. 10.CM - Prob. 53CMCh. 10.CM - Prob. 54CMCh. 10.CM - Prob. 55CMCh. 10.CM - Prob. 56CMCh. 10.CM - Prob. 57CMCh. 10.CM - Prob. 58CMCh. 10.CM - Prob. 59CMCh. 10.CM - Prob. 60CMCh. 10.CM - Prob. 61CMCh. 10.CM - Prob. 62CMCh. 10.CM - Prob. 63CMCh. 10.CM - Prob. 64CMCh. 10.CM - Prob. 65CMCh. 10.CM - For problems 65-70, graph each of the equations....Ch. 10.CM - Prob. 67CMCh. 10.CM - Prob. 68CMCh. 10.CM - Prob. 69CMCh. 10.CM - Prob. 70CMCh. 10.CM - Prob. 71CMCh. 10.CM - Prob. 72CMCh. 10.CM - Prob. 73CMCh. 10.CM - Prob. 74CMCh. 10.CM - Prob. 75CMCh. 10.CM - Prob. 76CMCh. 10.CM - Prob. 77CMCh. 10.CM - Prob. 78CMCh. 10.CM - Prob. 79CMCh. 10.CM - Prob. 80CMCh. 10.CM - Prob. 81CMCh. 10.CM - The volume of a gas at a constant temperature...Ch. 10.CM - Prob. 83CMCh. 10.CM - Prob. 84CMCh. 10.CM - Prob. 85CMCh. 10.CM - Prob. 86CMCh. 10.CM - Prob. 87CMCh. 10.CM - Prob. 88CMCh. 10.CM - Prob. 89CMCh. 10.CM - Prob. 90CMCh. 10.CM - Prob. 91CMCh. 10.CM - Prob. 92CMCh. 10.CM - Prob. 93CMCh. 10.CM - Prob. 94CMCh. 10.CM - Prob. 95CMCh. 10.CM - Prob. 96CMCh. 10.CM - Prob. 97CMCh. 10.CM - Prob. 98CMCh. 10.CM - Prob. 99CMCh. 10.CM - Prob. 100CMCh. 10.CM - Prob. 101CMCh. 10.CM - Prob. 102CMCh. 10.CM - Prob. 103CMCh. 10.CM - Prob. 104CMCh. 10.CM - Prob. 105CMCh. 10.CM - Prob. 106CMCh. 10.CM - Prob. 107CMCh. 10.CM - Prob. 108CMCh. 10.CM - Prob. 109CMCh. 10.CM - Prob. 110CMCh. 10.CM - Prob. 111CMCh. 10.CM - Prob. 112CMCh. 10.CM - Prob. 113CMCh. 10.CM - Prob. 114CMCh. 10.CM - Prob. 115CMCh. 10.CM - Prob. 116CMCh. 10.CM - Prob. 117CMCh. 10.CM - Prob. 118CMCh. 10.CM - For problems 119-130, set up an equation, an...Ch. 10.CM - Prob. 120CMCh. 10.CM - Prob. 121CMCh. 10.CM - Prob. 122CMCh. 10.CM - Prob. 123CMCh. 10.CM - Prob. 124CMCh. 10.CM - Prob. 125CMCh. 10.CM - Prob. 126CMCh. 10.CM - Prob. 127CMCh. 10.CM - Prob. 128CMCh. 10.CM - Prob. 129CMCh. 10.CM - Prob. 130CM
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