Introduction to the National Arithmetic: On the Inductive System : Combining the Analytic and Synthetic Methods with the Cancelling System ... : Designed for Common Schools

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Robert S. Davis, and Gould, Kendall, & Lincoln, 1846 - Arithmetic - 196 pages

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Page 41 - 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.
Page 135 - ... what is the equated time of payment ? Ans. 8mo. 22^fda. 4. A owes B $600 ; one-third is to be paid in 6 months, one- fourth in 8 months, and the remainder in 12 months : what is the mean time of payment ? Ans.
Page 100 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Page 126 - COMPUTE the interest on the principal sum from the time when the interest commenced to the first time when a payment was made, which exceeds either alone or in conjunction with the preceding payments (if any) the interest at that time due : add that interest to the principal, and from...
Page 135 - ... 8 months ; what is the equated time for the payment of the whole ? Ans.
Page 80 - To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator; under this sum write the denominator.
Page 156 - CUBE is any number multiplied by its square. To extract the cube root, is to find a number which, being multiplied into its square, shall produce the given number. RULE.
Page 41 - 1 Sign, ... " s. 12 Signs, or 360 Degrees, the whole great Circle of the Zodiac. 1. How many seconds in 2 minutes ? In 3 minutes ? In 4 minutes ? In 6 minutes ? 2. How many seconds in 3 minutes and 1 second ? 3.
Page 7 - Los números cardinales 0: zero 1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen 19: nineteen 20: twenty...
Page 86 - Or, multiply each numerator into all the denominators except its own for a new numerator ; and all the denominators into each other for a common denominator.

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