| John Fair Stoddard - Arithmetic - 1856 - 312 pages
...however, notice but few of them, and refer the student to Algebra for the others. CASE I. ART. 223. Given the first term, the common difference, and the number of terms, to find the last term. 1. What is the 25th term of an arithmetical progression, the first term of which is 6 and the common... | |
| Charles Guilford Burnham - 1857 - 342 pages
...Therefore, Arti 237 • — When the first term, the number of terms, and common difference are given, to find the last term : RULE. Multiply the number of terms, less 1, by the common difference, and to the product add the first term, and the sum will be the last term.... | |
| Charles Guilford Burnham - Arithmetic - 1857 - 328 pages
...Therefore, Art* 287 »- — When the first term, the number of terms, and common difference are given, to find the last term : RULE. Multiply the number of terms, less 1, by the common difference, and to the -product add the first term, and the sum ivill be the last... | |
| Charles Davies - Algebra - 1859 - 130 pages
...that ho must travel four yards hi addition for each additional stone which he brings. Hence, we have the first term, the common difference, and the number of terms, to find the sum of the series. • First, to find the last term. We have, I = a + (n — l)r. Making a = 4, n =... | |
| Francis Walkinghame - 1859 - 200 pages
...Ans. 6. VI. The first term, the number of terms, and the common difference given to find the last. RULE. Multiply the number of terms, less one, by the common difference, to which product add the first term. /, я, d, are given to find /. я,— 1 xd,+n,=l. 16. What is... | |
| Charles Davies - Arithmetic - 1861 - 496 pages
...common difference ; 4th, The number of terms ; 5th, The sum of all the terms. CASE I. 395. Having given the first term, the common difference, and the number of terms, to find the last term. 1. The first term of an increasing progression is 4, the common difference 3, and the number of terms... | |
| Charles Davies - Arithmetic - 1863 - 346 pages
...three of these parts are known or given, the re* raaining ones can be determined. CASE I. 378. Knowing the first term, the common difference, and the number of terms, to find the last term. 1. The first term is 3, the common difference 2, and the number of terms 19 : what is the last term... | |
| John Fair Stoddard - Arithmetic - 1868 - 356 pages
..." s. NOTE. — Half the sum of any two numbers is called their Ariffiinetical Mean. 444* Given t7ie first term, the common difference, and the number of terms, to find the last term, 1. The first term of an ascending series is 8, the common difference 5, and tho number of terms 40... | |
| John Fair Stoddard - Arithmetic - 1868 - 428 pages
...NOTE. — Half the sum of any two nnmbere is called their Arithmetical titan. 444* Given the flrat term, the common difference, and the number of terms, to find the last term. 1. The first term of an ascending series is 8, the common difference 5, and the number of terms 40... | |
| Edward Brooks - Arithmetic - 1877 - 528 pages
...The last term, I. 4. The number of terms, n. 5. The sum of all the terms, S. CASE I. .S-1.5. Given, the first term, the common difference, and the number of terms, to find the last term. 1. The first term is 4, the common difference 3, and the number of terms 8 ; required the last term.... | |
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