 | Thomas Peacock - Arithmetic - 1791 - 302 pages
...lad day's journey was 59 miles ; how far did he travel the firft day î Anf. 1 7 miles. 3. The leaft term is 3., the common difference 2, and the number of terms 94 what is the greateft term ? Anf. 19. 4. A man fold his coat after the rate of i». for the íirít... | |
 | Nicolas Pike - Algebra - 1808 - 470 pages
...and the first term added to the product, will give the last term. EXAMPLES. 1st. If the first term be 3, the common difference 2, and the number of terms 19 : What is the last term ? Number of terms =19 — 1 Number of terms less 1=18 Common difference = X 2 36 First term = + 3 39... | |
 | Charles Butler - 1814 - 540 pages
...months old ; required the age of the eldest ? Thus 12 x H + 4— H = I4l> the answer. 27- The least term is 3, the common difference 2, and the number of terms 7 ; to find the greatest term ? Aiis. 15. 28. The age of the youngest of 9 persons is 6, and the common... | |
 | James Maginness - Arithmetic - 1821 - 378 pages
...term, the common difference, and the number of terms given, to find the last term. If the first term be 3, the common difference 2, and the number of terms 19; what is the last term? By formula 9. 19 — 1 x 2 + 3 = 39. Ans. PROBLEM 10. The first term, common difference, and number... | |
 | Nicolas Pike - Arithmetic - 1832 - 544 pages
...first term added to the product, will give the last term.t EXAMPLES. 1st. If the first term be 3, (he common difference 2, and the number of terms 19 : What is the last term? • This rule is only » contraction of the following process. By Prob. V. find the number of tcrnis,... | |
 | Samuel Read Hall - Arithmetic - 1832 - 294 pages
...the circumference of a cable be, for an anchor of 18 cwt. ? Ans. 12 inches. 16. If the first term be 3, the common difference 2, and the number of terms 19 ; what is the sum of the series? Ans. 399. 17. If the first term be 3, the number of terms 19, and the sum 399 ;... | |
 | Charles Davies - Arithmetic - 1833 - 284 pages
...Multiply the common difference by 1 less than the number of terms, and to the product add the first termEx 1. The first term is 3, the common difference 2, and the number of terms 19: what is the last term? 18 number of terms less 1. 2 common difference -363 1st term 39 last term. Ans.39. 2. A man bought... | |
 | John Rose - Arithmetic - 1835 - 192 pages
...first term is 4, the common difference 12; what is the largest term? Ans. 208. 5. If the first term be 3, the common difference 2, and the number of terms 19 ; what is the last terra ? Ans. 39. Questions.— What is Arithmetical Progression? The numbers that form the series,... | |
 | Charles Davies - Arithmetic - 1838 - 292 pages
...term. Q. How do you find the last term when the first term and common difference are known ? EXAMPLES. 1. The first term is 3, the common difference 2, and the number of terms 19 : what is the last term 1 We multiply the number of terms less 1, by the common difference 2, and then add the first term.... | |
 | William Foster - 1840 - 92 pages
...term. To find the sum of an Arithmetical series. 1 . Let us first take a particular case, in which the first term is 3, the common difference 2, and the number of terms 8 ; the series will be 3, 5, 7, 9, 11, 13, 15, 17. Let S = the sum of the series, then S=3+ 5 + 7+9... | |
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EXAMPLES. 1. The first term is 3, the common difference 2, and the number of terms 19 : what is the last term ? OPERATION. 
