An Introduction to Algebra: Being the First Part of a Course of Mathematics, Adapted to the Method of Instruction in the American Colleges

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Hezekiah Howe, 1835 - 332 páginas
 

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Página 296 - If a straight line be divided into any two parts, the square of the whole line is equal to the squares of the two parts, together with twice the rectangle contained by the parts.
Página 31 - We have seen that multiplying by a whole number is taking the multiplicand as many times as there are units in the multiplier.
Página 68 - If four magnitudes are in proportion, the product of the two extremes is equal to the product of the two means.
Página 229 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient.
Página 161 - To divide the number 90 into four such parts, that if the first be increased by 2, the second diminished by 2, the third multiplied...
Página 146 - A gentleman bought a number of pieces of cloth for 675 dollars, which he sold again at 48 dollars by the piece, and gained by the bargain as much as one piece cost him. What was the number of pieces? Ans. 15.
Página 184 - Conversely, if the product of two quantities is equal to the product of two other quantities, the first two may be made the extremes, and the other two the means of a proportion.

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