 | Davis Wasgatt Clark - 1844 - 394 pages
...common difference 3, and the number of terms 25. What is the first term 1 Jlns. 2. 4. Suppose 100 balls be placed in a straight line, at the distance of a yard from each other ; how far must a person, starting from the box, travel to bring them one by one to r. box placed at the distance of a yard from... | |
 | Davis Wasgatt Clark - Algebra - 1846 - 374 pages
...common difference 3, and the number of terms 25. What is the first term 1 Jlns. 2. 4. Suppose 100 balls be placed in a straight line, at the distance of a yard from each other ; how far must a person, starting from the box, travel to bring them one by one to a box placed at the distance of a yard from... | |
 | Jeremiah Day, James Bates Thomson - Algebra - 1848 - 264 pages
...and last but one, &c., is the same in each case, viz. 14. The same is true of every series. Prob. 6. If the first term of an increasing arithmetical series...and the number of terms 20 ; what is the sum of the series1 Prob. 7. If 100 stones are placed in a straight line, at the distance of a yard from elich... | |
 | John Bonnycastle - 1848 - 334 pages
...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 one to a basket, placed at a distance of a yard from... | |
 | Uriah Parke - Arithmetic - 1849 - 414 pages
...hours? &c. Ans. 10 miles in 1 hour, 20 in 2 hours, &c. 78. One hundred eggs 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 one to a basket, which is placed one yard from the... | |
 | Jeremiah Day - Algebra - 1850 - 356 pages
...o= s ' the first term. 2s-2an 3. o= — 3— — , the common difference. i U n=-- number Zd Ex. 1. If the first term of an increasing arithmetical series...If 100 stones be placed in a straight line, at the disance of a yard from each other; how far must a person travel, to bring them one by one to a box... | |
 | Uriah Parke - Arithmetic - 1850 - 402 pages
...hours? &c. Ans. 10 miles in 1 hour, 20 in 2 hours, &c. 78. One hundred eggs 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 one to a basket, which is placed one yard from the... | |
 | Horatio Nelson Robinson - Algebra - 1850 - 256 pages
...of the terms ? Ans. 2247. 5. The first term of an arithmetical series is 6, the last term — 3£, and the number of terms 20. What is the sum of the terms ? Ans. 25. The two equations (.4) and (J9) cover the whole subject of arithmetical progression,... | |
 | John Bonnycastle - Algebra - 1851 - 288 pages
...4- (a — d) 4- (a — 2d) 4- (a — 3d) 4( a — 4^) , &C., to n terms, we shall have EXAMPLES. 1. The first term of an increasing arithmetical series...the common .difference 2, and the number of terms 20 ; required the sum of the series. First, 3+2 (20 — 1) = 3 + 2 -X 19 = 3+ 38 = 41, the last term.... | |
 | William Smyth - Algebra - 1851 - 272 pages
...one-half of the product. Ex. 1. In a progression by difference, the first term is 5, the last term 62 and the number of terms 20. What is the sum of the series ? ANS. 670. Ex. 2. How many strokes does the hammer of a clock strike in 12 hours ? ANS. 78. Ex. 3.... | |
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If the first term of an increasing arithmetical series is 3, the common difference 2, and the number of terms 20 ; what is the sum of the series 1 Ans. 
