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Página 36 - A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center.
Página 283 - Schmitz's History of Rome, From the Earliest Times to the Death of Commodus, AD 192.
Página 106 - The Cycloid. The cycloid is the curve described by a point in the circumference of a circle rolling in a straight line.
Página 282 - First Book in Greek. Containing a full View of the Forms of Words, with Vocabularies and copious Exercises, on the Method of constant Imitation and Repetition.
Página 230 - To free the equation of fractional exponents, substitute for the unknown quantity a new unknown quantity with an exponent equal to the least common multiple of the denominators of the exponents in the equation. Thus, in (1) put y = z", whence y * — z"", y ' = e", and y
Página 282 - Loomis's Elements of Plane and Spherical Trigonometry, with their Applications to Mensuration, Surveying, and Navigation. To which is added a full Series of Tables of Logarithms of Numbers, and of Sines and Tangents for every Ten Seconds of the Quadrant.
Página 113 - 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, 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 value, or set of values, corresponding to a...
Página 280 - Grammar of the Greek Language. For the use of Schools and Colleges. 12mo, Sheep extra, 75 cents.
Página 36 - A radius of a circle is a straight line drawn from the centre to the circumference.
Página 205 - O = slope of the indifference curve on A or B = —— It is thus clear from above that if we have to find out the MRS^ at a point on the indifference curve we can do so by drawing tangent at the point on the indifference curve and then measuring the slope by estimating the value of the tangent of the angle which the tangent line makes with the X-axis. Principle of Diminishing Marginal Rate of Substitution An important principle of economic theory is that marginal rate of substitution of X for Y...