| Benjamin Greenleaf - 1839 - 356 σελίδες
...The first term, the last term, and the number of terms given to find the sum of all the terms. EULE. Multiply the sum of the extremes by the number of terms, and half the product will be the sum. 5. The extremes of an arithmetical series are 3 and 45, and the number of terms 22. Required the sum... | |
| Nathan Daboll - 1839 - 220 σελίδες
...Daily increase 2 mile: CASE III. Thf first term, last term, and number of terms gwent t find the sum of all the terms. • RULE. Multiply the sum of the extremes by the number of term: and half the product will be the answer. EXAMPLES, 1. A man bought 12 yards of cloth in arithmetical... | |
| Jason M. Mahan - 1839 - 312 σελίδες
...difference, and number of terms given, to find the last term, and sum of all the terms. RULE. terms) by the number of terms, and half the product will be the sum of the series. Examples. 1. Twenty-five persons bestowed charity to a poor man; the first gave him 10 cents,... | |
| Joseph Stockton - 1839 - 218 σελίδες
...and to the product add the first term, the sum will be the last term. 2. Multiply the sum of the two extremes by the number of terms, and half the product will be the sum of all the terms. EXAMPLE. 1. A merchant bought 50 yards of linen, at 2 cents for the first yard, 4 for... | |
| Daniel Adams - 1839 - 268 σελίδες
...) Hence, when the extremes and the number of terms are given, to find the sum of all the terms, — Multiply £ the sum of the extremes by the number of terms, and the product will be the answer 10. If the extremes be 5 and 605, and the number of terms 151, what... | |
| Frederick Emerson - 1840 - 302 σελίδες
...The sum of all the terms. PROBLEM. i. The extremes and number of terms being e;iven, to find the sum of all the terms. RULE. Multiply the sum of the extremes by the number of the terms, and half the product will be the sum of all the terms. See Theorem 4th. 1. The first term... | |
| Daniel Adams - 1840 - 278 σελίδες
...) Hence, when the extremes and the number of terms are given, to find the sum of all the terms, — Multiply £ the sum of the extremes by the number of terms, and the product will be the answer 10. If the extremes be 5 and 605, and the number of terms 151, what... | |
| Benjamin Greenleaf - 1841 - 334 σελίδες
...Ans. 2 years. PROBLEM IL The first term, the last term, and the number of terms given to find the sum of all the terms. RULE. Multiply the sum of the extremes...number of terms, and half the product will be the sum. 5. The extremes of an arithmetical series are 3 and 45, and the number of terms 22. Required the sum... | |
| Daniel Adams - 1848 - 316 σελίδες
...series ; hence, mhen the extremes and the number of terms are given to find the sum of the terms, RU1.E. Multiply the sum of the extremes by the number of...the product will be the sum of the terms. EXAMPLES FOR PRACTICE. 2. If the extremes be 5 and 605, and the number of terms 151, what is the sum of the... | |
| 1841 - 200 σελίδες
...first term, the last term, and the number of terms being given, to find the aggregate, or total sum of all the terms. RULE. — (') Multiply the sum of...number of terms, and half the product will be the answer. Quertion 1. How do you find the aggregate or total sum of all the terms? EXAMPLES. 1. The first... | |
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