 | C R. Lupton - 1879 - 194 σελίδες
...by which we reason about quantities, by means of letters and symbols. Known or determined quantities are usually represented by the first letters of the alphabet, as a, b, c, &c., and unknown or undetermined quantities by the last letters, as u, x, y, &c. 2. The sign = equals,... | |
 | Elias Loomis - 1879 - 398 σελίδες
...quantities — that is, quantities whose values are to be determined. Known quantities are generally represented by the first letters of the alphabet, as a, b, c, d, etc., and unknown quantities by the last letters of the alphabet, as x, y, z, u, etc. This, however,... | |
 | Benjamin Greenleaf - 1879 - 350 σελίδες
...quantity whatever, known or unknown. (i. KNOWN QUANTITIES, or those whose values are given, are generally represented by the first letters of the alphabet, as a. b, c. Define Quantity, tlnit of Quantity. Mathemntk-s. Algelu-a. How are Letters used 1 How are Known Quantities... | |
 | Webster Wells - 1880 - 498 σελίδες
...known quantities and determined values, and the letters any quantities whatever, known or unknown. when not expressed by figures, are usually represented...by the first letters of the alphabet, as a. b, c. 8. Unknown Quantities, or those whoso values are not given, are usually represented by the last letters... | |
 | Webster Wells - 1885 - 372 σελίδες
...represent any quantities whatever, known or unknown. 4. Known Quantities, or those whose values are given, when not expressed by figures, are usually represented...by the first letters of the alphabet, as a, b, c. 5. Unknown Quantities, or those whose values are to be determined, are usually represented by the last... | |
 | Webster Wells - 1885 - 368 σελίδες
...represent any quantities whatever, known or unknown. 4. Known Quantities, or those whose values are given, when not expressed by figures, are usually represented by the first letters of the alphabet, as a, 6, с. 5. Unknown Quantities, or those whose values are to be determined, are usually represented by... | |
 | Webster Wells - 1885 - 324 σελίδες
...represent any quantities whatever, known or unknown. 4. Known Quantities, or those whose values are given, when not expressed by figures, are usually represented by the first letters of the alphabet, as a, &, c. 5. Unknown Quantities, or those whose values are to be determined, are usually represented by... | |
 | Webster Wells - 1885 - 370 σελίδες
...represent any quantities whatever, known or unknown. 4. Known Quantities, or those whose values are given, when not expressed by figures, are usually represented by the first letters of the alphabet, as a, 6, c. 5. Unknown Quantities, or those whose values are to be determined, are usually represented by... | |
 | Edward Albert Bowser - 1888 - 868 σελίδες
...letters. Thus aa;2 + bx = ex + 4, and ax + b = ex'2 — rt, are literal equations. The known numbers are usually represented by the first letters of the alphabet, as a, b, c. etc. * .6 denotes the repetend .6666 etc. = f . Similarly .8 denotes .888 etc. = f . EXAMPLES. 1. Solve... | |
 | Webster Wells - 1889 - 584 σελίδες
...represent any quantities whatever, known or unknown. 4. Known Quantities, or those whose values are given, when not expressed by figures, are usually represented by the first letters of the alphabet, as a, &, c. 5. Unknown Quantities, or those whose values are to be determined, are usually represented by... | |
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Quantities, or those whose values are given, when not expressed by figures, are usually represented by the first letters of the alphabet, as a, b, c. 
