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" One quantity is said to vary directly as a second and inversely as a third, when it varies jointly as the second and the reciprocal of the third. Thus... "
Mathematical Formulae: For the Use of Candidates Preparing for the Army ... - Σελίδα 20
επεξεργασία από - 1880 - 100 σελίδες
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London graduation mathematics, questions in arithmetic and algebra set from ...

Thomas Kimber - 1880 - 176 σελίδες
...и (i .: a:d::a3: 13. (2) One quantity varies directly as a second, and inversely as a third, where it varies jointly as the second and the reciprocal of the third. If A = ^T~-, A varies directly as B, and inversely as C. L/ (3) In the one case 5 = 1^, and in the...

A University Algebra

Edward Olney - 1880 - 354 σελίδες
...laborer receives varies jointly as his daily wages and the time of service. 93. One quantity varies directly as a second and inversely as a third, when it varies as the quotient of the second divided by the third. ILL. — The time required to earn any amount varies...

A University Algebra: Comprising a Compendious, Yet Complete and Thorough ...

Edward Olney - 1882 - 358 σελίδες
...laborer receives varies jointly as his daily wages and the time oí service. 93. One quantity varies directly as a second and inversely as a third, when it varies as the quotient of the second divided by the third. ILL. — The time required to earn any amount varies...

College Algebra: For the Use of Academies, Colleges, and Scientific Schools ...

Edward Albert Bowser - 1888 - 868 σελίδες
...received by a workman will vary as the number of days he has worked and the wayex per day jointly. (4) One quantity is said to vary Directly as a second...jointly as the second and the reciprocal of the third. Thus A varies directly as B and inversely as C is written BB A oc — , or A = m-, where m is a constant....

College Algebra

Webster Wells - 1890 - 604 σελίδες
...jointly as the amount which he receives per day, and the number of days during which he works. 403. One quantity is said to vary directly as a second...jointly as the second and the reciprocal of the third. Thus, in physics, the attraction of a body varies directly as the quantity of matter, and inversely...

Numbers Universalized: An Advanced Algebra, Τόμος 2

David Martin Sensenig - 1890 - 556 σελίδες
...jointly as the base and altitude, since it varies directly as their product. 458. One quantity varies directly as a second and inversely as a third when it varies directly as their quotient. Illustration. — The altitude of a rectangle varies directly as the area...

An Academic Algebra

James Morford Taylor - 1893 - 358 σελίδες
...to vary as two others jointly, when the first varies as the product of the other two. One variable is said to vary directly as a second and inversely as a third, when the first varies as the quotient of the second by the third. Thus z varies directly as x and inversely...

Elementary Algebra for the Use of Preparatory Schools

Charles Smith - 1894 - 620 σελίδες
...as the product of the two others. Thus a varies as b and с jointly if a oc be, that is if a = mbc. One quantity is said to vary directly as a second and inversely as a third, when the ratio of the first to the product of the second and the reciprocal of the third is constant. Thus...

Algebra for Schools and Colleges

William Freeland - 1895 - 328 σελίδες
...quantity is said to vary as two others jointly when it varies directly as the product of the two. 306. One quantity is said to vary directly as a second,...jointly as the second and the reciprocal of the third, Thus, by attraction of gravitation, a body varies directly as the mass, and inversely as the square...

Essentials of Algebra for Secondary Schools

Webster Wells - 1897 - 422 σελίδες
...jointly as the amount which he receives per day, and the number of days during which he works. 327. One quantity is said to vary directly as a second...jointly as the second and the reciprocal of the third. Thus, in physics, the attraction of a body varies directly as the quantity of matter, and inversely...




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