Intermediate Algebra, 4th Edition by Larson; Hostetler

By Larson; Hostetler

Designed for first-year developmental math scholars who desire aid in intermediate algebra, the Fourth version of Intermediate Algebra owes its luck to the hallmark positive aspects for which the Larson group is understood: studying by means of instance, available writing kind, emphasis on visualization, and accomplished workout units. those pedagogical positive aspects are rigorously coordinated to make sure that scholars are larger in a position to make connections among mathematical recommendations and comprehend the content material. the recent scholar aid variation maintains the Larson culture of guided studying through incorporating a complete variety of pupil luck fabrics during the textual content. also, teachers and scholars alike can music development with HM verify, a brand new on-line diagnostic evaluation and remediation device from Houghton Mifflin.

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Sample text

The result should equal the 12th digit, called the check digit. Algorithm 1. 2. 3. 4. Add the numbers in the odd-numbered positions. Multiply the sum by 3.

Algorithm 1. 2. 3. 4. Add the numbers in the odd-numbered positions. Multiply the sum by 3.

One student decides to combine Steps 1, 2, and 3 with the following results. ͑0 ϩ 5 ϩ 1 ϩ 0 ϩ 6 ϩ 8͒ ϫ 3 ϩ ͑2 ϩ 2 ϩ 5 ϩ 4 ϩ 5͒ ϭ 20 ϫ 3 ϩ 18 ϭ 20 ϫ 21 ϭ 420 The next-highest multiple of 10 is 430, so 430 Ϫ 420 ϭ 10. What did the student do wrong? b. Does a UPC of 0 76737 20012 9 check? Explain. 5 c. Does a UPC of 0 41800 48700 3 check? Explain. 4, Exercise 111. d. The UPC below is missing the 10th-place digit. Write an algebraic expression for this UPC that represents the result of Step 3 of the algorithm.

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