 | 1838 - 372 σελίδες
...others, which have with the first known relations, the question is called a problem. The given or known quantities are generally represented by the first letters of the alphabet, a, I, c, d, &c. and the unknown or required quantities by the last letters, x, y, z, &c. 32. The following... | |
 | Elias Loomis - 1859 - 320 σελίδες
...are as the logarithms of PL, PM, etc., which are in geometrical progression. See Algebra, Art. 345. DIFFERENTIAL CALCULUS, SECTION I. DEFINITIONS AND...of a straight line, y—ax+b, the quantities a and 6 have but one value for the same line, while x and y vary in value for every point of the line. (158.)... | |
 | Albert Ensign Church - 1859 - 360 σελίδες
...vary at the same time, the one increase, the other decrease, and the hypotenuse remain constant. • Constant quantities are generally represented by the first letters of the alphabet, a, b, c, &c. and the variable quantities by the final letters as <t, v, x, y, &c. In any equation, as y=ax,... | |
 | Moffatt and Paige - 1879 - 474 σελίδες
...denoted by letters may be either known numbers, or unknown numbers, which have to be found. The former are generally represented by the first letters of the alphabet, a, b, c, etc. ; and the latter by the last letters, x,y, 2, etc. This distinction is not, however, always observed. Signs... | |
 | Frank Castle - 1899 - 424 σελίδες
...used as symbols for numbers or quantities. These numbers may be known numbers and are then usually represented by the first letters of the alphabet a, b, c, etc., or they may be numbers which have to be found, called unknown numbers, and these are often denoted... | |
 | 1900 - 500 σελίδες
...as we please, but the value of g is not changed owing to a change in v and t. Constants are usually represented by the first letters of the alphabet, a, b, c, etc., and variables by the final letters, as p, t, x, y, etc. The reciprocal of a quantity is I divided by the... | |
 | Frank Castle - 1900 - 184 σελίδες
...used as symbols for numbers or quantities. These numbers may be known numbers and are then usually represented by the first letters of the alphabet, a, b, c, etc., or they may be numbers which have to be found, called unknown numbers, and these are often denoted... | |
 | George Egbert Fisher, Isaac Joachim Schwatt - 1900 - 484 σελίδες
...constant. 2. The constants in a mathematical investigation are, as a rule, general numbers, and are represented by the first letters of the alphabet, a, b, c, etc. ; variables are usually represented by the last letters, x, y, z, etc. 3. A variable which has a definite... | |
 | George Egbert Fisher, Isaac Joachim Schwatt - 1901 - 664 σελίδες
...constant. 2. The constants in a mathematical investigation are, as a rule, general numbers, and are represented by the first letters of the alphabet, a, b, c, etc. ; variables are usually represented by the last letters, x, y, z, etc. 3. A variable which has a definite... | |
 | George Egbert Fisher - 1901 - 622 σελίδες
...constant. 2- The constants in a mathematical investigation are, as a rule, general numbers, and are represented by the first letters of the alphabet, a, b, c, etc. ; variables are usually represented by the last letters, x, у, г, etc. 3. A variable which has a... | |
| |
As the body falls, the distance d and the time s are variables, and 16 is a constant. Again, time measured from a past date is a variable, while time measured between two fixed dates is a constant. 2. The constants in a mathematical investigation are,... 