Download Algebra and Trigonometry with Analytic Geometry by Earl W. Swokowski, Jeffery A. Cole PDF

By Earl W. Swokowski, Jeffery A. Cole

Transparent causes, an uncluttered and attractive structure, and examples and routines that includes numerous real-life purposes have made this article renowned between scholars 12 months after yr. This most recent variation of Swokowski and Cole's ALGEBRA AND TRIGONOMETRY WITH ANALYTIC GEOMETRY keeps those gains. the issues were continually praised for being at simply definitely the right point for precalculus scholars such as you. The e-book additionally offers calculator examples, together with particular keystrokes that assist you to use numerous graphing calculators to unravel difficulties extra speedy. possibly such a lot important-this ebook successfully prepares you for extra classes in arithmetic.

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Example text

Estimate its length. 43, where W is in tons and L is in feet. Estimate the weight of a whale that is 25 feet long. 99 Weight lifters’ handicaps O’Carroll’s formula is used to handicap weight lifters. If a lifter who weighs b kilograms lifts w kilograms of weight, then the handicapped weight W is given by Wϭ w 2 b Ϫ 35 3 . Suppose two lifters weighing 75 kilograms and 120 kilograms lift weights of 180 kilograms and 250 kilograms, respectively. Use O’Carroll’s formula to determine the superior weight lifter.

025 ϫ 1013. 025 I3 15 ͑4,500,000͒2 ϭ 20,250,000,000,000. Calculators may also use scientific form in the entry of numbers. The user’s manual for your calculator should give specific details. 7 EE Ϫ11 ENTER ENTER Before we conclude this section, we should briefly consider the issue of rounding off results. Applied problems often include numbers that are obtained by various types of measurements and, hence, are approximations to exact values. Such answers should be rounded off, since the final result of a calculation cannot be more accurate than the data that have been used.

For example, (؊3)2/5 can be evaluated successfully as [(؊3)1/5]2 or [(؊3)2]1/5, whereas an error message might otherwise appear. Approximate the realnumber expression to four decimal places. 08͒7/3 Exer. 93–94: Approximate the real-number expression to four decimal places. 9͒Ϫ2 (b) 527 95 Savings account One of the oldest banks in the United States is the Bank of America, founded in 1812. 04͒180 dollars. Approximate this amount to the nearest cent. 2 2h. Approximate the distance that can be seen from the top of the Chicago Sears Tower, which is 1454 feet tall.

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