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 Βιβλία Βιβλία 1 - 10 από 30 για The first term, ratio , and number of terms given to find the sum of the series.....
The first term, ratio , and number of terms given to find the sum of the series. 1. A lady bought 6 yards of silk, agreeing to pay 5 cents for the first yard, 15 for the second, and so on, increasing in a three fold proportion ; what did the whole cost...
Arithmetic - Σελίδα 287
των Daniel Adams - 1848 - 306 σελίδες
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## A New System of Mercantile Arithmetic: Adapted to the Commerce of the United ...

Michael Walsh - 1807 - 274 σελίδες
...to exceed the next younger by a« much more ; what was the eldest son's portion ? Ans. .€.25600. The first term, ratio, and number of terms given, to find the sum of all the terms. RULE. Find the last term as before, then subtract the first from it, and divide the...

## A New and Complete System of Arithmetick: Composed for the Use of the ...

Nicolas Pike - 1808 - 480 σελίδες
...term=2)4374=greatest term. ' 4374 Or, A/ 21 87=3 8— i =3, Ans. i PROBLEM PROBLEM X. The extremes and number of terms given, to find the sum of the series. RULE. — 1. Subtract the least term from the gteatest, and make the difference a dividend. 2. Divide...

## A New, Copious and Complete System of Arithmetic: For the Use of Schools and ...

James Maginness - 1821 - 372 σελίδες
...last term? By formula 9. 19 — 1 X 2 + 3 = 39. Ans. PROBLEM 10. The first term, common difference, and number of terms given, to find the sum of the series. If the first term is 3, the common difference 2, and number of terms 19; what is the sum of the series?...

## A New and Complete System of Arithmetick: Composed for the Use of the ...

Nicolas Pike - 1822 - 532 σελίδες
...continuing the addition, the rule would be true for any number of term-. EXAMPLE. The first term, the ratio, and number of terms given, to find the sum of the A jjrntlemnn travelled 29 days, the first day he went but 1 mile, and increased every d;iy's travel...

## The Mercantile Arithmetic, Adapted to the Commerce of the United States, in ...

1828 - 315 σελίδες
...son to exceed the next younger by as much more ; what was the eldest son's portion 1 Ans. £25600. The first term, ratio, and number of terms given, to find the sum •f all the terms. RULE. Find the last term as before, then subtract the first from it, and divide...

## The Mercantile Arithmetic, Adapted to the Commerce of the United States, in ...

Michael Walsh - 1828 - 315 σελίδες
...exceed the next younger by as much more ; what was the eldest son's portion ? Ans. ¿€25600. The firft term, ratio, and number of terms given, to find the sum of all the terms. RULE. Find the last term as before, then subtract the first from it, and divide the...

## The Tutor's Assistant: Being a Compendium of Arithmetic and a Complete ...

Francis Walkingame - 1832 - 208 σελίδες
...son to exceed the next younger by ai much more ; what was the eldest son's portion ? Ant. ££5600. The first term, ratio, and number of terms given, to find the sum of all the terms. RULE. Find the last term as before, then subtract the firxt from it, and divide the...

## A New and Complete System of Arithmetick: Composed for the Use of the ...

Nicolas Pike - 1832 - 528 σελίδες
...continuing the addition, the rule would be true for any number of terms. EXAMPLE. The first term, the ratio, and number of terms given, to find the sum of the series. The numbers which form the series, are called the terns of the progression. Note. The first and last...

## Arithmetical Spyglass and Teacher's Assistant: Intended as a Key and ...

Charles Waterhouse - 1842 - 166 σελίδες
...presumed the different problems will be easily understood. In the first case of the Table, read — The first term, ratio, and number of terms given, to find the sum of all the terms. RULE. — The ratio, less 1, raised to the power denoted by the number of terms, and...

## Call's Decimal Arithmetic: On a New and Improved Plan Throughout, Comprising ...

Osman Call - 1842 - 192 σελίδες
...five-fold ratio. What was the price of the last cow ? Ans. £39736429850 5s. 2£ d. THK FIRST TERM, THE RATIO, AND NUMBER OF TERMS GIVEN, TO FIND THE SUM OF THE SERIES. RULE. — Rnisi' the ratio to a power, the index of which shall be equal to the number of terms, from...