A Key to the Elementary Treatise on AlgebraNichols & Hall, 1842 - 56 σελίδες |
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Σελίδα 3
... rods ; B 16 days , 112 rods ; C 80 days , 400 rods . 14. 8 yds , 16 yds , and 24 yds respectively . 15. Sheep $ 2 ; calf $ 4 ; cow $ 20 . 16. Greater 14 galls ; less 7 galls . 17. Beef 10 lbs ; mutton 20 lbs . 18. 32 of each . 19. 80 ...
... rods ; B 16 days , 112 rods ; C 80 days , 400 rods . 14. 8 yds , 16 yds , and 24 yds respectively . 15. Sheep $ 2 ; calf $ 4 ; cow $ 20 . 16. Greater 14 galls ; less 7 galls . 17. Beef 10 lbs ; mutton 20 lbs . 18. 32 of each . 19. 80 ...
Σελίδα 7
... rods ; longer 40 rods . 20. Chaise $ 2333 ; horse $ 166 . 21. $ 100 . 22. 1st car 18 miles ; 2d car 20 miles per hour . 23. $ 150 . 24. $ 110 . 25. 139 . SECTION VI . ART . 15 . 1. Horse $ 150 ; chaise $ 250 . 2. 80 gallons . 3. Greater ...
... rods ; longer 40 rods . 20. Chaise $ 2333 ; horse $ 166 . 21. $ 100 . 22. 1st car 18 miles ; 2d car 20 miles per hour . 23. $ 150 . 24. $ 110 . 25. 139 . SECTION VI . ART . 15 . 1. Horse $ 150 ; chaise $ 250 . 2. 80 gallons . 3. Greater ...
Σελίδα 29
... 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. ...
... 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 30
... rods . 4. 9 rods ; $ 3 per rod . 5. Greater 90 ; less 85 . 6. Length 100 , breadth 60 rods . 7. 10 sheep ; 13 calves . 8. 40 hours ; 4 miles per hour . 9. $ 100 . 10. 80 feet . 11. Coffee $ 0.10 , tea $ 0.50 per pound . 12. 4 rods . 13 ...
... rods . 4. 9 rods ; $ 3 per rod . 5. Greater 90 ; less 85 . 6. Length 100 , breadth 60 rods . 7. 10 sheep ; 13 calves . 8. 40 hours ; 4 miles per hour . 9. $ 100 . 10. 80 feet . 11. Coffee $ 0.10 , tea $ 0.50 per pound . 12. 4 rods . 13 ...
Σελίδα 53
... rods . 10. 10 eagles ; $ 30 . 11. A $ 60 ; B $ 48 . 12. $ 1000 . 13. $ 50 . 14. £ 400 , £ 500 , £ 700 . 15. 800 men . 16. $ 20 . 17. £ 280 . 18. 14 beggars ; 32s . 19. 62 . 20. 40 , 20 and 12 . 21 Wheat 10s . , rye 6s . per bushel 22 ...
... rods . 10. 10 eagles ; $ 30 . 11. A $ 60 ; B $ 48 . 12. $ 1000 . 13. $ 50 . 14. £ 400 , £ 500 , £ 700 . 15. 800 men . 16. $ 20 . 17. £ 280 . 18. 14 beggars ; 32s . 19. 62 . 20. 40 , 20 and 12 . 21 Wheat 10s . , rye 6s . per bushel 22 ...
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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