Key to the Exercises in Algebra: For the Use of the Teacher

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Carter, Hendee and Company, 1833 - 92 σελίδες

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Σελίδα 44 - In brief : to multiply, add logarithms. II. The logarithm of a fraction is equal to the difference obtained by subtracting the logarithm of the denominator from the logarithm of the numerator : log (os/6) = log a — log b. For, if 10' = a and 10£ •= b, then IQI-L — a _}.
Σελίδα 85 - The French mile is to the German as 3 to 5; the English to the German as 23 to 106; and the French to the English as 318 to 115.
Σελίδα 80 - Ans. The company consisted of 100 persons ; the sum which was to be collected was $50, and the contribution of each 50 cents.
Σελίδα 85 - Silisian ell is to the Brabant ell as 5 to 6. The Leipzig to the Brabant as 9 to 11, the Silisian to the Leipzig as 55 to 54.
Σελίδα 87 - The barrel of wheat is worth $7, the barrel of rye $6, and the barrel of barley $4.
Σελίδα 86 - Ans. There were 11 persons in the company, and each spent 80 cents.

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