| John Radford Young - 1839 - 332 pages
...effects a, b, c, in the times e,f, g, respectively ; in what time would they jointly produce the efièct d 1 13. The sum of the first and third of four numbers...What are the numbers? Ans. 4, 24, 144, and 864. 14. A and В speculate in trade with different sums. A gains 150Z., В loses 50Z. ; and now A's stock is... | |
| Horatio Nelson Robinson - Algebra - 1846 - 276 pages
...last term divided by the sum of the mean terms is 1^. What are the numbers? Ans. 2,4,8, and 16. 6. The sum of the first and third of four numbers in...888. What are the numbers? Ans. 4, 24, 144, and 864. 7. It is required to find three numbers in geometrical progression, such that their sum shall be 14,... | |
| Samuel Alsop - Algebra - 1846 - 300 pages
...be in arithmetical progression : their sum is 29. Required the numbers. . Ans. 3, 6, 8, 12. Ex. 55. The sum of the first and third of four numbers in geometrical progression is 60, and that of the second and fourth 180. Required the numbers. Am. 6, 18, 54, 162. Ex. 56. Some smugglers... | |
| Horatio Nelson Robinson - Algebra - 1848 - 354 pages
...last term divided by the sum of the mean terms is H. What are the numbers 7 Ans. 2, 4, 8, and 16. 6. The sum of the first and third of four numbers in...the second and fourth is 888. What are the numbers 1 Ans. 4, 24, 144, and 864. 7. It is required to find three numbers in geometrical progression, such... | |
| Samuel Alsop - Algebra - 1848 - 336 pages
...be in arithmetical progression : their sum is 29: Required the numbers. Лпз. 3, 6, 8, 12. Ex. 55. The sum of the first and third of four numbers in geometrical progression is 60, and that of the second and fourth 180. Required the numbers. Лт. 6, 18, 54, 162. Ex. 56. Some... | |
| Horatio Nelson Robinson - Algebra - 1850 - 256 pages
...equation (3), gives x+y=5 (8) From equations (7) and (8), we find x and y, as taught in Art. 101. 3. The sum of the first and third of four numbers in geometrical progression is 20, and the sum of the second and fourth is 60. What are the numbers ? Ans. 2, 6, 18, 54. 4. Divide... | |
| Samuel Alsop - Algebra - 1856 - 152 pages
...progression is 45, and the sum of the means 18. What are the numbers? Ans. 3, 7, 11, and 15. Ex. 6. The sum of the first and third of four numbers in geometrical progression is 78, and that of the second and fourth 390. What are the numbers Î Ans. 3, 15, 75, and 375. Ex. 7.... | |
| John Radford Young - 1857 - 324 pages
...progression is 148, and the sum of the second and fourth is 888. What are the numbers ? Ans. 4, 24, 144, and 864. 14. A and В speculate in trade with...different sums. A gains 150Z., В loses 50Z. ; and now A's stock is to jB's as 3 to 2 ; but, had A lost 50Z. and В gained 100Z., then .A's stock would have been... | |
| John Fair Stoddard, William Downs Henkle - Algebra - 1859 - 538 pages
...carefully studied by the student that he may be able to solve others of like character. QUESTIONS. 1. The sum of the first and third of four numbers in..."What are the numbers ? Ans. 4, 24, 144, and 864. 2. There are three numbers in geometrical progression, the sum of the first and second is 15, and the... | |
| Horatio Nelson Robinson - 1861 - 372 pages
...last term divided by the sum of the mean terms is 1 j. What are the numbers ? Ans. 2, 4, 8, and 16. 6. The sum of the first and third of four numbers in...progression is 148, and the sum of the second and fourth is 388. What are the numbers ? 7. It is required to find three numbers in geometrical progression, such... | |
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