A Key to the Elementary Treatise on AlgebraNichols & Hall, 1842 - 56 σελίδες |
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Σελίδα 6
... inches . 11. 72 . 12. $ 150 . 13. $ 75 . 14. 1st 30 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 ...
... inches . 11. 72 . 12. $ 150 . 13. $ 75 . 14. 1st 30 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 ...
Σελίδα 29
... 12 miles per hour . A went 100 , B 120 miles . 3. 5 yards and 6 yards . 4. 10 rows ; 12 trees in a row ; 960 bushels . 5. 30 miles . 6. 50-662 inches . 7. 12.649 rods . 8. 43.818- rods . 9. 16 3 * XXXI , XXXII . 29 KEY . 5. .709. ...
... 12 miles per hour . A went 100 , B 120 miles . 3. 5 yards and 6 yards . 4. 10 rows ; 12 trees in a row ; 960 bushels . 5. 30 miles . 6. 50-662 inches . 7. 12.649 rods . 8. 43.818- rods . 9. 16 3 * XXXI , XXXII . 29 KEY . 5. .709. ...
Σελίδα 32
... inches . 9. Side of the base 31.072+ feet ; altitude 124-288 + feet . 10. Radius 2 feet ; length 7 feet . 11. 1-8837 feet . ART . 105 . 1 . 49 a2 m2 . 2 . 64 b4 c2 x8 . 13 . 3. 225 a8 mb p14 . 14 . 4 . 128 x14 y21 . 15 . SECTION XXXVII ...
... inches . 9. Side of the base 31.072+ feet ; altitude 124-288 + feet . 10. Radius 2 feet ; length 7 feet . 11. 1-8837 feet . ART . 105 . 1 . 49 a2 m2 . 2 . 64 b4 c2 x8 . 13 . 3. 225 a8 mb p14 . 14 . 4 . 128 x14 y21 . 15 . SECTION XXXVII ...
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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