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" If the first term be 50, the last term 107, and the number of terms 20, what is the sum of the series ? Ans. $ 1570. "
Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ... - Σελίδα 222
των Daniel Adams - 1828 - 264 σελίδες
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An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

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...of termsEx. 1. 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 ? Ans. 440. 2. If 1 00 stones are placed in a straight line, at the distance of a yard from each other ; how...

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Jeremiah Day - 1827 - 352 σελίδες
...difference. Ex. 1. 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 ? Ans. 440. 2. If 100 stones are placed in a straight line, at the distance of a yard from each other; how...

Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

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...will be the amount of $50 for 1 year, the last but two the amount of $ 50 for 2 years, and so on, in arithmetical series, to the first, which will be the...for 40 years, allowing 5 per cent. simple interest 1 Ans. $ 7900. 15. There are, in a certain triangular field, 41 rows of corn ; the first row, being...

Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1830 - 294 σελίδες
...will be the amount of $ 50 for 1 year, the last but two the amount of $ 50 for 2 years, and so on, in arithmetical series, to the first, which will be the...for 40 years, allowing 5 per cent. simple interest ? Am. $ 7900. 15. There are, in a certain triangular field, 41 rows of corn ; the first row, being...

Adams's New Arithmetic

Daniel Adams - 1830 - 280 σελίδες
...will be the amount of $ 50 for 1 year , the last but two the amount of $ 50 for 2 years, and so on, in arithmetical series, to the first, which will be the...first term be 50, the last term 107, and the number •f terms 20, what is the sum of the series ? Ans. $ 1570. 14. What is the amount of an annual pension...

Adams's New Arithmetic

Daniel Adams - 1830 - 268 σελίδες
...will be the amount of $ 50 for 1 year , the last but too the amount of $ 50 for 2 years, and so on, in arithmetical series, to the first, which will be the amount of $ 50 for 19 years = $107. If the first term be 50, the last term 107, and the number of terms 20, what is the sum of...

Adam's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1831 - 276 σελίδες
...will be the amount of $ 50 for 1 year , the last but two the amount of $ 50 for 2 years, and so on, in arithmetical series, to the first, which will be the...of terms 20, what is the sum of the series ? Ans. $ 1570.14. What is the amount of an annual pension of $ 100, being in arrears, that is, remaining unpaid,...

An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - 1831 - 358 σελίδες
...terms . 2d Ex. 1. 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. 440. 2. If 100 stones be placed in a straight line, at the distance of a yard from each other;...

The Arithmetical Manual

Samuel Read Hall - 1832 - 294 σελίδες
...What is the cube root of /T? Ans. f. 38. How many times does a clock strike in 12 hours 1 Ans. 78. 39. If the first term be 50, the last term 107, and the...terms 20, what is the sum of the series ? Ans. 1570. SECTION XXIII. 1. There are two farms; one is valued at 3750, and the other at 1500 dollars ; what...

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Catharine Esther Beecher - 1833 - 296 σελίδες
...and so on, in arithmetical series, to the first, which will be the amount of $50 for 19 years = $107. If the first term be 50, the last term 107, and the...number of terms 20, what is the sum of the series ? A. 1570. 6. What is the amount of an annual pension of $100, being in arrears, that is, remaining...




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