New Practical Arithmetic in which the Science and Its Applications are Simplified by Induction and Analysis: Prepared to Accompany the Mathematical Series of Benjamin Greenleaf

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R.S. Davis & Company, 1869 - 324 páginas
 

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Página 67 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
Página 87 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them. Thu4, 18 is the greatest, common divisor of 36 and 54, since it is the greatest number that will divide each of them without a remainder.
Página 147 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Página 316 - The areas of circles are to each other as the squares of their diameters.
Página 89 - Divide the greater number by the less, and the divisor by the remainder, and so on, until there is no remainder; the last divisor will be the greatest common divisor.
Página 232 - In any proportion, the product of the means is equal to the product of the extremes.
Página 150 - A CIRCLE is a plane figure bounded by a curved line, all the points of which are equally distant from a point within called the center; as the figure ADB E.
Página 117 - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Página 148 - Cubic Measure 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Página 99 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.

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