 | Charles Davies - Algebra - 1842 - 284 pages
...the sum of the n first terms of the progression of uneven numbers 1, 3, 5, 7, 9 ... Ans. S=n 2 . 13. One hundred stones being placed on the ground in a straight line, at the distance of 2 yards from each other, how far will a person travel who shall bring them one by one... | |
 | Admiralty - 1845 - 152 pages
...arithmetical progression, that their sum may be 16, and the sum of tljeir squares 84. Ans. 1, 3, 5, 7. 15. One hundred stones being placed on the ground in a straight line, at a distance of 2 yards put them one by one into a basket, which is placed '2. yards from the first stone ? Ans. 11 miles 840... | |
 | Elias Loomis - Algebra - 1846 - 376 pages
...5&+Ö. Ex. 10. Find the sum of the even numbers 2, 4, 6, 8, &c., up to n terms. Ans,. n(n + 1). Ex. 11. One hundred stones being placed on the ground in a straight line, at the distance of two yards from each other; how far will a person travel who shall bring them one by... | |
 | Charles William Hackley - Algebra - 1846 - 542 pages
...the common difference J, and the number of terms 21; required the sum of the series. Ans. 140. (7) One hundred stones being placed on the ground in a straight line, at the distance of 2 yards from each other; how far will a person travel who shall bring them one by one... | |
 | Algebra - 1847 - 408 pages
...9 ... Ans. S = n 2 . 10. One hundred stones being placed on the grouml, in a straight line, at the distance of 2 yards from each other, how far will...shall bring them one by one to a basket, placed at two yards from the first stone ? Ans. 11 miles, 840 yards. Geometrical Proportion. 168. Ratio is the... | |
 | Charles William Hackley - Algebra - 1847 - 546 pages
...the common difference j, and the number of terms 21; required the sum of the series. % Ans. 140. (7) One hundred stones being placed on the ground in a straight line, at the distance of 2 yards from each other; how far will a person travel who shall bring them one by one... | |
 | John William Colenso (bp. of Natal.) - 1848 - 238 pages
...half-hours ? 16. One hundred stones being placed on the ground at the distance of a yard from one another, how far will a person travel, who shall bring them, one by one, to a basket, placed at the distance of a yard from the first stone? 144. Quantities are said to be in Geometrical Progression,... | |
 | John Bonnycastle - 1848 - 334 pages
...progression are 19 and 35 ; what is the seventh term, and the sum of 12 terms ? Ans. 27, and 300. 17. One hundred stones being placed on the ground, in a straight line, at the distance of a yard from each other ; how far will a person travel, who shall bring them one by... | |
 | George Roberts Perkins - Algebra - 1848 - 234 pages
...a=--iri:tv'(/+^) 2 — 2ds ~ni In this example we take formula 13. which in this present case becomes 3. One hundred stones being placed on the ground in a straight line, at the distance of 2 yards from each other, how far will a person travel who shall bring them one by one... | |
 | Charles Davies - Algebra - 1848 - 302 pages
...sum of the n first terms of the progression of uneven numbers 1, 3, 5, 7, 9 ... Ans. S=:7t 2 . 13. One hundred stones being placed on the ground in a straight line, at the distance of 2 yards from each other, how far will a person travel who shall bring them one by one... | |
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One hundred stones being placed on the ground, in a straight line, at a distance of 2 yards from each other; how far will a person travel, who shall bring them one by one to a basket, placed at 2 yards from the first stone? Ans. 11 miles, 840 yards. 
