 There are four numbers in geometrical progression, the second of which is less than the fourth by 24 ; and the sum of the extremes is to the sum of the means, as 7 to 3. What are the numbers ? Ans.  The Franklin Elementary Algebra - Σελίδα 293των Edwin Pliny Seaver, George Augustus Walton - 1882 - 297 σελίδεςΠλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | Jeremiah Day - 1820 - 352 σελίδες
...the three numbers as 5 to 7. What are the numbers ? . Ans. 5, 1 0, and 20. Prob. 7. There are four numbers in geometrical progression, the second of...is less than the fourth by 24 ; and the sum of the extremes, is to the sum of the means, as Z. to 3. What are the numbers ? Ans. 1, 3, 9, 27.. SECTION... | |
 | Miles Bland - 1821 - 898 σελίδες
...product is 64, and the sum of their cubes is 584. Required the numbers. Ans. 2, 4, 8. 11. There are four numbers in geometrical progression, the second of...is less than the fourth by 24 ; and the sum of the extremes is to the sum of the means as 7 to 3. Required the numbers. Ans. l, 3, g, 2712. From two towns... | |
 | Miles Bland - 1824 - 404 σελίδες
...is 64, and the sum of their cubes is 584. Required the numbers. Ans. 4L, 4, 8. 1 1 . There are four numbers in geometrical progression, the second of...is less than the fourth by 24; and the sum of the extremes is to the sum of the means as 7 to 3. Required the numbers. Ans. l, 3, 9, 27. 12. From two... | |
 | James Ryan, Robert Adrain - 1824 - 542 σελίδες
...64, and the sum of their cubes is 584. What are the numbers ? Ans. 2, 4, 8. Prob. 14. There are four numbers in geometrical progression, the second of...is less than the fourth by 24 ; and the sum of the extremes is to the sum of the means as 7 to 3. Required the numbers. Ans. 1, 3, 9, 27. Prob. 15. There... | |
 | James Ryan - 1826 - 430 σελίδες
...G4, and the sum of their cubes is 584. What are the numbers ? Ans. 2, 4, S. Prob. 14. There are four numbers in geometrical progression, the second of...is less than the fourth by 24 ; and the sum of the extremes is to the sura of the means as 7 to .". Required the numbers. Ans. 1, 3, 9, 27. Prob. 15.... | |
 | Jeremiah Day - 1827 - 352 σελίδες
...all the three numbers as 5 to 7. What are the numbers ? Ans. *, 10, and 20, Prob. 7. There are four numbers in geometrical progression, the second of...is less than the fourth by 24 ; and the sum of the extremes is to the sum of the means, as 7 to 3. What are the numbers ? Ans. 1, 3, 9, 27. SECTION XV.... | |
 | Jeremiah Day - 1831 - 354 σελίδες
...all the three numbers as 5 to 7. What are the numbers? Ans. 5, 10, and 20. Prob. 7. There are four numbers in geometrical progression, the second of which is less than the fourth by 24 ; and the siim of the extremes is to the sum of the means, as 7 to 3. What are the numbers 1 Ans. 1, 3, 9, 27.... | |
 | John D. Williams - 1840 - 634 σελίδες
...y>-\ i=±ff ; .'. »» = 8 or 4, and y= 2 or£, and the numbers are 2, 4, and 8. 56. There are four numbers in geometrical progression, the second of...is less than the fourth by 24 ; and the sum of the extremes is to the sum of the means as 7 to 3. Required the numbers. Ans. l, 3, 9, 27. Let x, xy, xy1,... | |
 | James Bates Thomson - 1844 - 266 σελίδες
...three numbers as 5 to 7. What are the numbers 1 I ? . — If. - . • * T* Prob. 16. There are four numbers in geometrical progression, the second of...is less than the fourth by 24; and the sum of the extremes is to the sum of the means as 7 to 3. What are the numbers ? SECTION XV. . EVOLUTION OF COMPOUND... | |
 | Horatio Nelson Robinson - 1844 - 184 σελίδες
...— a. a?=8. Or, But ary=64, or *?=4. Hence, y=2. And the numbers are 2, 4, and 8. 2. There are four numbers in geometrical progression, the second of...is less than the fourth by 24 ; and the sum of the extremes is to the means, as 7 to 3. Required, the numbers. (Day and others.) Let z=the first number,... | |
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