Key to Elementary Treatise on AlgebraB.B. Mussey, 1842 - 56 σελίδες |
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Σελίδα 3
... bushels of each . 4. 11 of each . 5. 5 melons ; 10 pears ; 30 peaches . 6. 15 days . Man $ 20 ; boy $ 10 . 7. 105 , 210 , and 315 . 8. 25 , 35 , and 40 . 9. 10 hours . One goes 80 miles , the other 70 miles . 10. 1st 8 , 2d 16 , 3d 24 ...
... bushels of each . 4. 11 of each . 5. 5 melons ; 10 pears ; 30 peaches . 6. 15 days . Man $ 20 ; boy $ 10 . 7. 105 , 210 , and 315 . 8. 25 , 35 , and 40 . 9. 10 hours . One goes 80 miles , the other 70 miles . 10. 1st 8 , 2d 16 , 3d 24 ...
Σελίδα 4
Thomas Sherwin. 21. 8 bushels of each . 22. Cows $ 25 , oxen $ 50 each . SECTION II . ART . 7 . 1. Performed . 2. 1st $ 23000 ; 2d $ 33000 . 3. 734 and 156 miles . 4. A's 15 , B's 35 , C's 50 years . 5. 1st 8 lbs ; 2d 22 lbs ; 3d 30 lbs ...
Thomas Sherwin. 21. 8 bushels of each . 22. Cows $ 25 , oxen $ 50 each . SECTION II . ART . 7 . 1. Performed . 2. 1st $ 23000 ; 2d $ 33000 . 3. 734 and 156 miles . 4. A's 15 , B's 35 , C's 50 years . 5. 1st 8 lbs ; 2d 22 lbs ; 3d 30 lbs ...
Σελίδα 5
... 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 the starting place . 17. Horse $ 200 ...
... 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 the starting place . 17. Horse $ 200 ...
Σελίδα 22
... bushel . 6. Wheat 10 bushels ; rye 8 bushels . 7. Father's $ 1 ; son's 2s . 8. 흑 . 9. fo . 10. He bought 200 lbs . of coffee and 300 lbs . of tea ; he sold 160 lbs . of coffee and 200 lbs . of tea . 11. 200 eggs at 2 for a cent ; 100 ...
... bushel . 6. Wheat 10 bushels ; rye 8 bushels . 7. Father's $ 1 ; son's 2s . 8. 흑 . 9. fo . 10. He bought 200 lbs . of coffee and 300 lbs . of tea ; he sold 160 lbs . of coffee and 200 lbs . of tea . 11. 200 eggs at 2 for a cent ; 100 ...
Σελίδα 29
... 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 . KEY . 29 5. 709. ...
... 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 . KEY . 29 5. 709. ...
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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