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algebraical quantities annuity Arithmetical Progression Binomial Theorem chance coefficient common denominator compound interest contained continued fraction convergent cube root decimal places digits divided dividend divisible divisor expansion expressed extracting the square factors Find the number Find the square find the sum Find the value former Geometrical Geometrical Progression given Greatest Common Measure Hence latter Least Common Multiple less logarithm lowest terms Mult multiplied negative number of combinations number of permutations number of solutions number of terms numerator and denominator odd number positive integers Present Value prime number probability proportion proposed quantity prove quadratic equation quotient reduced remainder represent required the number result root required rule shew shewn shillings signifies square root subtracted suppose supposition surd things taken unknown quantities vulgar fraction whole number
Page 286 - If a straight line be divided into any two parts, the squares of the whole line, and of one of the parts, are equal to twice the rectangle contained by the whole and that part, together with the square of the other part. Let the straight line AB be divided into any two parts in the point C ; the squares of AB, BC are equal to twice the rectangle AB, BC, together with the square of AC.
Page 139 - Article, — j— = — -=- ; oa bd also - =" — j ac , , a—bb c—dd a—b c- d therefore - x - = — -- x - or = j bade ac or a — b : a :: c — d : c, and inversely, a '. a — b :: c : c — d. This operation is called convertendo. 396. When four quantities are proportionals, the sum of the first and second is to their difference as the sum of the third and fourth is to their difference.
Page 77 - Divide this quantity, omitting the last figure, by twice the part of the root already found, and annex the result to the root and also to the divisor, then multiply the divisor as it now stands by the part of the root last obtained for the subtrahend.
Page 107 - A laborer agreed to serve for 36 days on condition that for every day he worked he should receive $1.25, and for every day he was absent he should forfeit 50 cents.
Page 4 - RULE. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.
Page 132 - Ratio is the relation which one quantity bears to another in respect of magnitude, the comparison being made by considering what multiple, part, or parts, one is of the other.
Page cvi - The hold of a vessel partly full of water (which is uniformly increased by a leak) is furnished with two pumps worked by A and B, of whom A takes three strokes to two of .B's ; but four of .B's throw out as much water as five of A's. Now...
Page 31 - The sign of equality, called equal, or equal to, signifies that the quantities between which it is placed are equal to each other.
Page 112 - This process of adding the square of half the coefficient of the first power of the unknown quantity to the first member, in order to make it a perfect square, is called COMPLETING THE SQUARE.