Key to Elementary Treatise on AlgebraB.B. Mussey, 1842 - 56 σελίδες |
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Σελίδα 7
... . 10. Time past 40 years . 11. Lower , middle and upper parts respectively , 12 , 16 and 20 feet . 12. 20 . ART . 17 . 1. 14 abcm . 2. 845 c . SECTION VII . 3. 21 abxy . 4. 24 a pqr . 5. 51 aghx . 6. 156 axy . 7. 4m VI , VII . KEY .
... . 10. Time past 40 years . 11. Lower , middle and upper parts respectively , 12 , 16 and 20 feet . 12. 20 . ART . 17 . 1. 14 abcm . 2. 845 c . SECTION VII . 3. 21 abxy . 4. 24 a pqr . 5. 51 aghx . 6. 156 axy . 7. 4m VI , VII . KEY .
Σελίδα 22
... lower part 25 feet . 16. A $ 500 ; B $ 700 . SECTION XXV . ART . 75 . 1st , 2d and 3d performed . 4. Flour $ 7 , rice $ 8 per barrel ; sugar $ 10 per box . 5. 1st 2 ; 2d 3 ; 3d 5 . 6. A $ 2 ; B $ 0.75 ; C $ 0.50 . 7. 1st $ 500 ; 2d ...
... lower part 25 feet . 16. A $ 500 ; B $ 700 . SECTION XXV . ART . 75 . 1st , 2d and 3d performed . 4. Flour $ 7 , rice $ 8 per barrel ; sugar $ 10 per box . 5. 1st 2 ; 2d 3 ; 3d 5 . 6. A $ 2 ; B $ 0.75 ; C $ 0.50 . 7. 1st $ 500 ; 2d ...
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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