Welch's Improved American Arithmetic, Adapted to the Currency of the United States: To which is Added a Concise Treatise on the Menstruation of Planes and Solids

Sanborn & Carter, 1847 - 228 Seiten

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Seite 81 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Seite 92 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Seite 214 - Thirty days after sight of this first of exchange (second and third of the same tenor and date unpaid...
Seite 92 - Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator.
Seite 109 - RULE.—Multiply each payment by the time at which it is due; then divide the sum of the products by the sum of the payments, and the quotient will be the equated time.* • , EXAMPLES.
Seite 193 - RULE. — To the square of the bung diameter add the square of the head diameter ; multiply the sum by the length, and the product by .0014 for ale gallons, or by .0017 for wine gallons.
Seite 176 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Seite 128 - Separate the given number into periods of two figures each, beginning at the right hand: the period on the left will often contain but one figure.
Seite 64 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.
Seite 163 - As 7 is to 22, so is the diameter to the circumference : or, as 22 is to 7, so is the circumference to the diameter.

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