Books Books 1 - 10 of 74 on If the first term of an increasing arithmetical series is 3, the common difference.... 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. An Introduction to Algebra: Being the First Part of a Course of Mathematics ... - Page 216
by Jeremiah Day - 1847 - 332 pages ## Recreations in Mathematics and Natural Philosophy ...

...understood, it will be easy to resolve the following questions. PROBLEM I. If a hundred stones are placed in a straight line, at the distance of a yard from each other ; how many yards must the person walk, u-ho undertakes to pick them itp one fy onet, and to put them into... ## A Complete Treatise on Arithmetic, Rational and Practical: Wherein the ...

Paul Deighan - Arithmetic - 1804
...2O. Given ^=4, «=i2, /~324, required a? 2« 21. The firft term of an increafing Arithmetical feries is 3, the common difference 2, and the number of terms 20 ; required the fum of the feries ? Ant, 440. 22. The firft term of a decreafing Arithmetical feries... ## An Introduction to Algebra: With Notes and Observations; Designed for the ...

John Bonnycastle - Algebra - 1806 - 208 pages
...term of a, a+x, a+2x, a+¡x, to EXAMPLES. - • i. Ths firft term of an increafing arithmetical feries is 3, the common difference 2, and the number of terms 20 ; required the fum of the feries. ^19 Firft, 3 + 2X(zo—i) =3+19=3+38 «=41 *slaß term* And, (3+41... ## An Introduction to Algebra: With Notes and Observations: Designed for the ...

John Bonnycastle - Algebra - 1811 - 220 pages
...a + x, a + Zx, a + 3x, to a + mx, is = (a+a+mx) — =(a+-Jm^) . n = (a-| — — — EXAMPLES. . I. The first term of an increasing arithmetical series...the common difference 2, and the number of terms 20 ; required the sum of the series. first, 3 + 2x(20 — 1)=3 + 2 x!9 = 3 + 38=41= ast term. 20 20 ^nrf(3... ## A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - Mathematics - 1811
...they meet ? ; Ans. 69£ miles from Exeter. QuEsT^,25. One hundred eggs being placed on the ground, in a straight line, at the distance of a yard from each other : How far will a person travel who shall bring them one by one to a basket, which is placed at one yard from... ## A Course of Mathematics: For the Use of Academies as Well as ..., Volume 1

Charles Hutton - Mathematics - 1812
...will they meet ? Ans. 69^. miles from Exeter. QUEST. 25. One hundred eggs being placed on the ground, in a straight line, at the distance of a yard from each other: How far .will a person travel who shall bring them one by one to a basket, which is placed at one yard from... ## A Treatise on Algebra, in Practice and Theory: With Notes and Illustrations ...

John Bonnycastle - Algebra - 1813
...(a — 2d) + (a — 3d) + (a — 4d), &c. to » terms, is = 2a — (n — I )dx ^ (¿). EXAMPLES. 1. The first term of an increasing arithmetical series is 3, the common difference 2, and the numof terms 20; required the sum of the series. First, 3 + 2(20- 1) =3 + 2 x 19=3 + 38 = 41, the last... ## An Introduction to Algebra: With Notes and Observations : Designed for the ...

John Bonnycastle - Algebra - 1818 - 260 pages
...of the quantities, a, d, n, S, be given, the fourth may be tound trom the equation EXAMPLES. . .. 1. The first term of an increasing arithmetical series...the common difference 2, and the number of terms 20 ; required |he sum of the series. • - • First, 3+2(20- 1)=3+2X 19=3+38=41, the last term. 20 20... ## An Introduction to Algebra: With Notes and Observations : Designed for the ...

John Bonnycastle - Algebra - 1818 - 260 pages
...3 21 ; required the sum of the series. Ans. 140. 8. One hundred stones being placed on the ground, in a straight line, at the distance of a yard from each other ; how far will a person travel, who shall bring them one by one. to a basket, placed at the distance of a yard... 