The Normal Higher Arithmetic: Designed for Common Schools, High Schools, Normal Schools, Academies, Etc

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Sower, Potts & Company, 1877 - 542 páginas
 

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Página 180 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Página 86 - Multiplying both numerator and denominator of a fraction by the same number does not change the value of the fraction.
Página 506 - Compute the interest to the time of the first payment ; if that be one year or more from the time the interest commenced, add it to the principal, and deduct the payment from the sum total. If there be after payments made, compute the interest on the balance due to the next payment, and then deduct the payment as above; and in like manner from one payment to another, till all the payments are absorbed; provided the time between one payment and another be one year or more.
Página 514 - For, since 10" = 10, the log. of 10 is 1 ; and since 10° = 1, the logarithm of 1 is 0. PRIN. 3. — The characteristic of the logarithm of a decimal is negative, and is numerically one greater than the number of ciphers between the decimal point and the first significant figure. For, if we raise the base, 10, to powers which give decimals, we will have, 10° = 1 ; hence, log 1 = 0 ; 10—'=.
Página 506 - But if any payments be made before one year's interest hath accrued, then compute the interest on the principal sum due on the obligation, for one year, add- it to the principal, and compute the interest on the sum paid, from the time it was paid up to the end of the year; add it to the sum paid, and deduct that sum from the principal and interest, added as...
Página 364 - Divide the sum of the products by the sum of the debts, and the quotient will be the average term of credit, estimated from the date selected.
Página 174 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Página 475 - A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center.
Página 362 - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Página 482 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.

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