Arithmetic by Grades for Inductive Teaching, Drilling and Testing, Libro 8

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Ginn & Company, 1894
 

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Página 69 - If two men start from the same place, and travel in opposite directions, the one traveling at the rate of 3 miles an hour, and the other at the rate of 4 miles an hour, how far apart will they be at the end of 5 hours ? 11.
Página 48 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Página 113 - Rule — From the square of the hypothenuse subtract the square of the given side, and Fig.
Página 102 - New York North Carolina North Dakota Ohio Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming LLL KAT°.
Página 113 - The contents of the frustum of a pyramid or cone are equal to the sum of the areas of the two bases plus the square root of their product, multiplied by a third of the altitude.

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