Key to Elementary Treatise on AlgebraB.B. Mussey, 1842 - 56 σελίδες |
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Σελίδα 26
... manner similar to that pursued in the solution of the 5th question , we have X x + 2 = ; and y + 2 = ; from which the modifica- y tion to be made in the enunciation is manifest . 9. Let the greater , and y = the less 26 XXVIII . KEY .
... manner similar to that pursued in the solution of the 5th question , we have X x + 2 = ; and y + 2 = ; from which the modifica- y tion to be made in the enunciation is manifest . 9. Let the greater , and y = the less 26 XXVIII . KEY .
Σελίδα 55
... manner , for C's money we find 21 S 32 x - 4S = S , and x = = $ 21 ; 160 for D's money , 11 S 32y - 2SS , and y = = $ 11 ; 160 and for E's money , 6 S 32z - SS , and z = = $ 6 . 160 68. A 40 , B 60 eggs . 69. 10 KEY . 55.
... manner , for C's money we find 21 S 32 x - 4S = S , and x = = $ 21 ; 160 for D's money , 11 S 32y - 2SS , and y = = $ 11 ; 160 and for E's money , 6 S 32z - SS , and z = = $ 6 . 160 68. A 40 , B 60 eggs . 69. 10 KEY . 55.
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1+m+ n 1+m+ 14th performed 1st and 2d 2d and 3d 2d performed 40 miles 5th inclusive 9 m² a b c x a+b days a+b)² a+b)³ a+b+c)3m a² b² a² b³ a² c² a²+ab+b² a²bc a³ b3 a³ d² a4 m² ac² ap(m+n b² c² b² c³ breadth bushel c² d² c3 d³ cents chaise Changing the sign cows equation gives galls h³ n³ Hence Horse learner verify m² a² m² n m² n² m² x y m² x² m³ x³ miles per hour money is doubled mq-np np-mq number killed original equations preceding formulæ Progression represent the number sheep son's subtracting and canceling Va² Wheat x y² x y³ x² y x² y² x2 y³ x³ y x5 y³ x6 y³ x⁹ y¹º y⁹ yards