Key to Elementary Treatise on AlgebraB.B. Mussey, 1842 - 56 σελίδες |
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Σελίδα 5
... cents . 11. 10 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 ...
... cents . 11. 10 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 ...
Σελίδα 6
... cents ; 2d and 3d 15 cents each . 15. Whole number 30. The 1st had 10 ; 2d 6 ; 3d 4 ; 4th 10 . 16. 1st horse $ 100 ; 2d horse $ 150 ; chaise $ 300 . 17. Income $ 1200 ; he spends $ 650 . 18. 45 sheep . 19. 1st £ 56 ; 2d £ 35 ; 3d £ 7 ...
... cents ; 2d and 3d 15 cents each . 15. Whole number 30. The 1st had 10 ; 2d 6 ; 3d 4 ; 4th 10 . 16. 1st horse $ 100 ; 2d horse $ 150 ; chaise $ 300 . 17. Income $ 1200 ; he spends $ 650 . 18. 45 sheep . 19. 1st £ 56 ; 2d £ 35 ; 3d £ 7 ...
Σελίδα 22
... cent ; 100 at 5 for 3 cents . 12. Smaller 75 , larger 100 gallons . 13. Wheat 9s . , oats 3s . per bushel . 14. Larger 160 , smaller 80 gallons . 15. Upper part 15 feet ; lower part 25 feet . 16. A $ 500 ; B $ 700 . SECTION XXV . ART ...
... cent ; 100 at 5 for 3 cents . 12. Smaller 75 , larger 100 gallons . 13. Wheat 9s . , oats 3s . per bushel . 14. Larger 160 , smaller 80 gallons . 15. Upper part 15 feet ; lower part 25 feet . 16. A $ 500 ; B $ 700 . SECTION XXV . ART ...
Σελίδα 24
... cent . 29. t = rp 30. 7 years , 1 month . 31. Performed . 32. $ 862-0625 . a 34. $ 250 . 33. P = 1+ tr P tp 35. r = 36. 065 or 6 per cent . 37. t = α P rp 38 . 31 years . art 39 . 1+ tr 40. £ 1 4s . 84d . 1 41. t = doubled ; = ↑ 2 ...
... cent . 29. t = rp 30. 7 years , 1 month . 31. Performed . 32. $ 862-0625 . a 34. $ 250 . 33. P = 1+ tr P tp 35. r = 36. 065 or 6 per cent . 37. t = α P rp 38 . 31 years . art 39 . 1+ tr 40. £ 1 4s . 84d . 1 41. t = doubled ; = ↑ 2 ...
Σελίδα 27
... cents . Then X 5х 3x 4 + + 40 = +49 . 3 12 This equation gives 3x - 3x = 9 ; that is , ( 3-3 ) x or 0.x = 9 ; therefore , x = Hence , the question is impossible , or the value of x is infinite . A's age ; then , x + 10 = B's , x + 20 ...
... cents . Then X 5х 3x 4 + + 40 = +49 . 3 12 This equation gives 3x - 3x = 9 ; that is , ( 3-3 ) x or 0.x = 9 ; therefore , x = Hence , the question is impossible , or the value of x is infinite . A's age ; then , x + 10 = B's , x + 20 ...
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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