A Key to the Elementary Treatise on AlgebraNichols & Hall, 1842 - 56 σελίδες |
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Σελίδα 5
... shillings . 12. $ 60 . 13. 22 years . 14. 12 years ago . 15. 150 sheep . 16. 8 days ; 720 miles from the starting place . 17. Horse $ 200 ; chaise $ 275 . 18. Wheat 8s .; oats 3s . 19. $ 1000 . 20. 125 miles . SECTION IV . ART . 12 ...
... shillings . 12. $ 60 . 13. 22 years . 14. 12 years ago . 15. 150 sheep . 16. 8 days ; 720 miles from the starting place . 17. Horse $ 200 ; chaise $ 275 . 18. Wheat 8s .; oats 3s . 19. $ 1000 . 20. 125 miles . SECTION IV . ART . 12 ...
Σελίδα 25
... shillings . 16 c + b n an - c 56. Wrought days ; idle a + b a + b days . b + d 57 . beggars . c - a a + b 58 A's + years ; B's a -b years . 2 2 ad b bc - d 59. Boots dollars ; shoes dollars . ac- 1 ac- 1 60. 1st ac ( b − 1 ) ; 2d ab ...
... shillings . 16 c + b n an - c 56. Wrought days ; idle a + b a + b days . b + d 57 . beggars . c - a a + b 58 A's + years ; B's a -b years . 2 2 ad b bc - d 59. Boots dollars ; shoes dollars . ac- 1 ac- 1 60. 1st ac ( b − 1 ) ; 2d ab ...
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1+m+ 14th performed 1st and 2d 24 a b² 2d and 3d 2d performed 5th inclusive 80 miles a b c a+b)² a+b+c)3m a² a² a² b² a² b³ a² c² a² x a²bc a³ b3 a³ c² a³ d² a5 b² ac² ap(m+n b c x b² c² b² c³ b³ c² b³ c³ breadth bushel c x y² c² d² cents chaise Changing the sign cows equation gives Hence learner verify m² n m² x4 m²+1 miles per hour np-mq number killed original equations preceding formulæ represent the number sheep subtracting and canceling Wheat x y³ x2 y x² y² x² y³ x³ y x5 y³ x6 y³ y¹º y⁹ yards