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according added algebraic amount arithmetical arranged base binomial called cent changed CHAPTER coefficient common constant contains cube root denominator denote difference distance Divide dividend division divisor dollars equal equation equivalent EXAMPLE exceeds Exercise exponents expression factors feet figures Find Find the number Find the value four fourth fraction given greater Hence identity imaginary increased indicated integral interest introduced less letters limit logarithm mantissa means miles an hour minutes Multiply negative Note obtain perfect polynomial positive principles problem proportion prove quadratic quotient ratio Reduce remainder result satisfy Simplify solution Solve square root Substituting Subtract surds term third tion travelled true twice units unknown variable varies whole writing zero
Página 297 - The pressure of wind on a plane surface varies jointly as the area of the surface, and the square of the wind's velocity. The pressure on a square foot is 1...
Página 80 - His head weighed as much as his tail and half his body, and his body weighed as much as his head and tail together. What was the weight of the fish ? Let 2x = the weight of the body in pounds.
Página 296 - ... that the volume of a sphere varies as the cube of its radius. 20. Find the radius of a sphere whose volume is equal to the sum of the volumes of three spheres whose radii are r, /, and r".
Página 224 - To express that the ratio of A to B is equal to the ratio of C to D, we write the quantities thus : A : B : : C : D; and read, A is to B as C to D.
Página 231 - It is required to divide the number 14 into two such parts that the quotient of the greater divided by the less, may be to the quotient of the less divided by the greater as 16 to 9.
Página 217 - A man walks 35 miles partly at the rate of 4 miles an hour, and partly at 5; if he had walked at 5 miles an hour when he walked at 4, and vice versa, he would have covered 2 miles more in the same time : find the time he was walking.
Página 222 - The fore- wheel of a carriage makes 6 revolutions more than the hind-wheel in going 120 yards ; if the circumference of the...
Página 283 - The sum of two numbers is 7, and the sum of their 4th powers is 641.