A Key to the Elementary Treatise on AlgebraNichols & Hall, 1842 - 56 σελίδες |
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Σελίδα 3
... 80 miles , the other 70 miles . 10. 1st 8 , 2d 16 , 3d 24 guineas . 11. Wife $ 36000 ; elder son $ 27000 ; younger son $ 18000 . 12. 120 cavalry ; 360 artillerymen ; 720 infantry . 13. A 8 days , 72 rods ; B 16 days , 112 rods ; C 80 ...
... 80 miles , the other 70 miles . 10. 1st 8 , 2d 16 , 3d 24 guineas . 11. Wife $ 36000 ; elder son $ 27000 ; younger son $ 18000 . 12. 120 cavalry ; 360 artillerymen ; 720 infantry . 13. A 8 days , 72 rods ; B 16 days , 112 rods ; C 80 ...
Σελίδα 4
... miles . 4. A's 15 , B's 35 , C's 50 years . 5. 1st 8 lbs ; 2d 22 lbs ; 3d 30 lbs ; 4th 60 lbs . 6. 6 , 8 , 10 , 12 ... 80 oxen ; 215 cows ; 215 calves ; 395 sheep . 13. 20 students ; 55 merchants ; 65 officers . • SECTION 1II . ART . 11 ...
... miles . 4. A's 15 , B's 35 , C's 50 years . 5. 1st 8 lbs ; 2d 22 lbs ; 3d 30 lbs ; 4th 60 lbs . 6. 6 , 8 , 10 , 12 ... 80 oxen ; 215 cows ; 215 calves ; 395 sheep . 13. 20 students ; 55 merchants ; 65 officers . • SECTION 1II . ART . 11 ...
Σελίδα 5
... 80 galls . 8. Wheat 8s .; rye 6s . per bushel . 9. 45 scholars in all . He wished to place 7 in a row . 10. 10 lbs ; 95 cents . 11. 10 shillings . 12. $ 60 . 13. 22 years . 14. 12 years ago . 15. 150 sheep . 16. 8 days ; 720 miles from ...
... 80 galls . 8. Wheat 8s .; rye 6s . per bushel . 9. 45 scholars in all . He wished to place 7 in a row . 10. 10 lbs ; 95 cents . 11. 10 shillings . 12. $ 60 . 13. 22 years . 14. 12 years ago . 15. 150 sheep . 16. 8 days ; 720 miles from ...
Σελίδα 6
... 80 years . 9. A's 40 ; B's 30 years . 10 30 inches . 11. 72 . 12. $ 150 . 13. $ 75 . 14. 1st 30 cents ; 2d and 3d 15 ... miles in all . 40 miles 1st day ; 56 2d day ; 70 3d day . SECTION V. ART . 13 . 1st , 2d , 3d , performed . 4. A ...
... 80 years . 9. A's 40 ; B's 30 years . 10 30 inches . 11. 72 . 12. $ 150 . 13. $ 75 . 14. 1st 30 cents ; 2d and 3d 15 ... miles in all . 40 miles 1st day ; 56 2d day ; 70 3d day . SECTION V. ART . 13 . 1st , 2d , 3d , performed . 4. A ...
Σελίδα 7
... 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 35 ; less 25 . 4. Performed . 5. 20 tons . 6. $ 72 . 7. Greater 75 ; less 72 . 8 ...
... 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 35 ; less 25 . 4. Performed . 5. 20 tons . 6. $ 72 . 7. Greater 75 ; less 72 . 8 ...
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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