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" One quantity is said to vary inversely as another when the first varies directly as the reciprocal of the second. Thus, the... "
College Algebra - Page 279
by Webster Wells - 1890 - 577 pages
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Algebra

Isaac Todhunter - Algebra - 1858 - 528 pages
...equal to the constant T . 6 416. If ж denote any quantity then - is called the reciprocal X of x. One quantity is said to vary inversely as another when the first varies as the reciprocal of the second. Or if A = -= , where m is constant, A is said to vary inversely as...
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Algebra for Beginners: With Numerous Examples

Isaac Todhunter - Algebra - 1863 - 302 pages
...j- . 373. The symbol oc is used to express variation ; thus A :x. B stands for A varies as B. , 374. One quantity is said to vary inversely as another, when the first varies as the reciprocal of the second. See Art. 323. Or if A - -£ , when m is constant, A is said to vary...
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New University Algebra: A Theoretical and Practical Treatise, Containing ...

Horatio Nelson Robinson - Algebra - 1863 - 432 pages
...in general, m A will cost mB. In this case the cost is said to vary directly as the quantity. 339. One quantity is said to vary inversely as another when the first has a constant ratio to the reciprocal of the other. 330. One quantity is said to vary as two others...
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New University Algebra: A Theoretical and Practical Treatise, Containing ...

Horatio Nelson Robinson - Algebra - 1864 - 444 pages
...and in general, mA will cost mB. In this case the cost is said to vary directly as the quantity. 329. One quantity is said to vary inversely as another when the first has a constant ratio to the reciprocal of the other. 330. One quantity is said to vary as two others...
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Algebra for the Use of Colleges and Schools: With Numerous Examples

Isaac Todhunter - Algebra - 1866 - 580 pages
...=- • о 415: The symbol œ is used to express variation; thus A^B stands for A varies as B. 416. One quantity is said to vary inversely as another when the first varies as the reciprocal of the second ; see Art. 263. Tfb Or if A = •= , where m is constant, A is said...
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A Treatise on Algebra

Elias Loomis - Algebra - 1868 - 386 pages
...a stick of timber varies as the product of its length x its breadth x its depth x its density. 318. One quantity is said to vary inversely as another when the first varies as the reciprocal of the second. Thus, if the area of a triangle be invariable, the altitude varies...
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A Treatise on Algebra

Elias Loomis - Algebra - 1873 - 396 pages
...a stick of timber varies as the product of its length x its breadth x its depth x its density. 318. One quantity is said to vary inversely as another when the first varies as the reciprocal of the second. Thus, if the area of a triangle be invariable, the altitude varies...
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Mathematical Formulae: For the Use of Candidates Preparing for the Army ...

R. M. Milburn - Mathematics - 1880 - 116 pages
...and in such a manner that if one be changed, the other is changed in the same proportion. 50. Def. One quantity is said to vary inversely as another when the first varies as the reciprocal of the second. 51. Def. One quantity is said to vary as two others, jointly, when,...
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College Algebra: For the Use of Academies, Colleges, and Scientific Schools ...

Edward Albert Bowser - Algebra - 1888 - 868 pages
...certain sum per hour, the amount of his wages varies as the number of hours during which he works. (2) One quantity is said to vary Inversely as another when the first varies as the reciprocal of the other. Thus A varies inversely as B is written A oc — , or A = — , where...
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A Short Course in Higher Algebra: For Academies, High Schools, and Colleges

Webster Wells - Algebra - 1889 - 584 pages
...Hence the amount which the workman receives varies as the number of days during which he works. 328. One quantity is said to vary inversely as another...train will traverse its route in one-half the time. 329. One quantity is said to vary as two others jointly when it varies directly as their product. Thus,...
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