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" Weighted average is used in this report to indicate discharge-weighted average. It is computed by multiplying the discharge for a sampling period by the concentrations of individual constituents for the corresponding period and dividing the sum of the... "
Standard Arithmetic: Embracing a Complete Course for Schools and Academies - Page 370
by William James Milne - 1892 - 428 pages
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A million of facts

sir Richard Phillips - 1835 - 608 pages
...a right line, is found by multiplying each body by its distance from some fixed point in the line, and dividing the sum of the products by the sum of the bodies, then the quotient is the distance from the point. Or, if the bodies arc not in one plane, a...
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A Compendium of Natural Philosophy: Adapted to the Use of the General Reader ...

Denison Olmsted - Physics - 1837 - 374 pages
...gravity from the perpendicular wall of a room, by multiplying each body into Us distance from the wall, and dividing the sum of the products by the sum of the bodies. 91 . When a body is supported by a prop placed under its center of gravity, the pressure will...
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A Treatise on Probability: Forming the Article Under that Head in the ...

Thomas Galloway - Error analysis (Mathematics) - 1839 - 248 pages
...value of the element is found by multiplying each observation by a number proportional to its weight, and dividing the sum of the products by the sum of the weights ; and the comparative weight of the result is unit divided by the sum of all the weights. If...
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The Treasury of Knowledge and Library of Reference: A million of facts [The ...

1850 - 772 pages
...a right line, is found by multiplying each body by its distance from some fixed point in the line, and dividing the sum of the products by the sum of the bodies, then the quotient is the alliance from the point Or, if the bodies are not in one plane, a...
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Book-keeping and Accountantship: Elementary and Practical

Thomas Jones (Accountant) - Accounting - 1849 - 118 pages
...•will prefer equating by products, which is simply multiplying the time and money together, then dividing the sum of the products by the sum of the debts, thus: Products. Jan. 10 500.00 x 33 = . . . 16,500 " 20 850.00 x 23 = . . . 19,550 " 25 784.20 x 18...
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Book-keeping and Accountantship: Elementary and Practical

Thomas Jones (accountant.) - Bookkeeping - 1850 - 220 pages
...interest, will prefer equating by products, which is simply multiplying the time and money together, then dividing the sum of the products by the sum of the debts, thus : Product*. Jan. 10 500.00 x 33 = . . . 16,500 " 20 850.00 x 23 = . . . 19,550 " 25 784.20 X 18...
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The Treasury of Knowledge and Library of Reference: A million of facts [The ...

1850 - 766 pages
...a right line, is found by multiplying each body by its distance from some fixed point in the line, and dividing the sum of the products by the sum of the bodies, then the quotient is the culance from the point. Or, if the bodies arc not in one plane, a...
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Elements of Mechanical Philosophy: For the Use of the Junior Students of the ...

William Barton Rogers - Mechanics - 1852 - 360 pages
...plane, is found by multiplying each mass into t/te distance of its centre of gravity from (he plane, and dividing the sum of the products by the sum of the masses. When A and B are equal, then G z = half sum of A x and By. That is, the centre of gravity is...
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Treasury of Knowledge and Library of Reference, Volume 3

Samuel Maunder - 1855 - 766 pages
...a right line, is found by multiplying each body by its distance from some fixed point in the line, and dividing the sum of the products by the sum of the bodies, then the quotient is the distance from the point. Or, if the bodies are not in one plane, a...
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An Introduction to Natural Philosophy: Designed as a Text-book for the Use ...

Denison Olmsted - Physics - 1860 - 492 pages
...distance from that point is obtained by multiplying each weight into its own distance from the same point, and dividing the sum of the products by the sum of the weights. Let A, B, Fio. M. 0 ABCD i O °— i • <i G C, and D, represent the weights of several bodies,...
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