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according Adding Algebra arithmetic arranged called cent coefficient common factor complete containing cube root decimal denominator derive difference digits Divide dividend division divisor equal EXAMPLES Expand exponent expression Extracting the square factor figures Find the number Find the value following rule formula fourth fraction geometric given gives greater Hence increased indicated laws less letter logarithm lowest means method miles an hour minutes Multiplying negative Note obtained perfect pieces polynomial positive problem progression proportion prove quadratic quotient ratio receive Reduce remainder represent respectively result satisfied second term Simplify Solve the equation square root Substituting Subtracting term third train Transposing travels twice units unknown quantities varies Whence write written
Σελίδα 276 - In any proportion,, the terms are in proportion by Composition ; that is, the sum of the first two terms is to the first term as the sum of the last two terms is to the third term.
Σελίδα 128 - At what time between 3 and 4 o'clock are the hands of a watch opposite to each other ? Let x = the number of minute-spaces passed over by the minutehand from 3 o'clock to the required time.
Σελίδα 37 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient.
Σελίδα 277 - In a series of equal ratios, any antecedent is to its consequent, as the sum of all the antecedents is to the sum of all the consequents. Let a: 6 = c: d = e :/. Then, by Art.
Σελίδα 133 - A person has a hours at his disposal. How far may he ride in a coach which travels b miles an hour, so as to return home in time, walking back at the rate of с miles an hour ? 43.
Σελίδα 18 - From §§36 and 37, we have the following rule: To subtract one number from another, change the sign of the subtrahend, and add the result to the minuend.
Σελίδα 275 - If the product of two quantities is equal to the product of two others, one pair may be made the extremes, and the other pair the means, of a proportion. Let ad = ос.
Σελίδα 136 - If necessary, multiply the given equations by such numbers as will make the coefficients of one of the unknown quantities in the resulting equations of equal absolute value.