By Margaret L. Lial
Is there something extra attractive than an “A” in Algebra? to not the Lial staff! Marge Lial, John Hornsby, and Terry McGinnis write their textbooks and accompanying assets with one objective in brain: giving scholars all of the instruments they should be successful. With this revision, the Lial workforce has extra subtle the presentation and workouts through the textual content. they provide a number of interesting new assets for college kids that might supply additional aid while wanted, whatever the studying atmosphere (classroom, lab, hybrid, on-line, etc)–new examine abilities actions within the textual content, an increased video application on hand in MyMathLab and at the Video assets on DVD, and extra!
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Extra resources for Beginning Algebra, 11th Edition
Example text
To show that the multiplication should be performed before the addition, we use parentheses to group 2 # 3. 5 + 12 # 32 equals 5 + 6, or 11. 16 CHAPTER 1 The Real Number System If addition is to be performed first, the parentheses should group 5 + 2. 15 + 22 # 3 equals 7 # 3, or 21. Other grouping symbols are brackets 3 4, braces 5 6, and fraction bars. ) To work problems with more than one operation, we use the following order of operations. This order is used by most calculators and computers.
How many chairs can she cover with 23 23 yd of fabric? 105. It takes 2 38 yd of fabric to make a costume for a school play. How much fabric would be needed for seven costumes? 106. A cookie recipe calls for 2 23 cups of sugar. How much sugar would be needed to make four batches of cookies? 107. First published in 1953, the digestsized TV Guide has changed to a fullsized magazine. The full-sized magazine is 3 in. wider than the old guide. What is the difference in their heights? ) 10 12 in. 7 18 in.
103. A cake recipe calls for 1 34 cups of sugar. A caterer has 15 12 cups of sugar on hand. How many cakes can he make? 104. Kyla Williams needs 2 14 yd of fabric to cover a chair. How many chairs can she cover with 23 23 yd of fabric? 105. It takes 2 38 yd of fabric to make a costume for a school play. How much fabric would be needed for seven costumes? 106. A cookie recipe calls for 2 23 cups of sugar. How much sugar would be needed to make four batches of cookies? 107. First published in 1953, the digestsized TV Guide has changed to a fullsized magazine.