Explanation The number of persons in the crew is given to be 4 . Therefore, substitute n = 4 in the given equation. s = 15.18 4 9 Write 4 9 in exponent form. s = 15.18 × 4 1 9

Essentials of College Algebra, Loose-Leaf Edition Plus MyLab Math with Pearson eText -- 18 Week Access Card Package

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Author: Lial, Margaret, HORNSBY, John, SCHNEIDER, David, DANIELS, Callie

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Chapter R.7, Problem 111E

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Olympic rowing events have one-, two, four-, or eight-person crews, with each person pulling a single oar. Increasing the size of the crew increases the speed of the boat. An analysis of Olympic rowing event concluded that the approximate speed, s, of the boat (in feet per second) was given by the formula

s=15.18n9,

where n is the number of oarsmen. Estimate the speed of a boat with a four-person crew. (Source: Townend, M. Steward, Mathematics in Sport, Chichester, Ellis Horwood Limited.)

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Chapter R.7, Problem 110E

Chapter R.7, Problem 112E

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Chapter R Solutions

Essentials of College Algebra, Loose-Leaf Edition Plus MyLab Math with Pearson eText -- 18 Week Access Card Package

Ch. R.1 - Prob. 1E Ch. R.1 - Prob. 2E Ch. R.1 - Prob. 3E Ch. R.1 - Prob. 4E Ch. R.1 - Prob. 5E Ch. R.1 - Prob. 6E Ch. R.1 - Prob. 7E Ch. R.1 - Prob. 8E Ch. R.1 - Prob. 9E Ch. R.1 - Prob. 10E

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