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Mathematics: Compiled from the Best Authors and Intended to be the ..., Τόμος 2
Πλήρης προβολή - 1801
Mathematics: Compiled from the Best Authors, and Intended to be the ..., Τόμος 1
Πλήρης προβολή - 1808
added addition amount angle annuity annum answer arithmetical bought called cent centre changes circle combinations common compound consequently consist contained continually cube cyphers decimal DEMONSTRATION denominator describe difference Divide dividend division divisor double draw equal equation evident EXAMPLES expressed extracting extremes figures four fourth fraction gain gallons geometrical give given number greater greatest half hand increased interest least less letters logarithm manner means measure method mixed months Multiply nature negative NOTE operation payment pound present worth PROBLEM Proof proportion proposed quantity question quotient radius ratio reason Reduce remainder root RULE share shillings sides simple square square root subtract Suppose surd taken things third true units weight Whence whole write yards
Σελίδα 354 - If A and B together can perform a piece of work in 8 days, A and C together in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone ? Ans.
Σελίδα 138 - As the sum of the several products, Is to the whole gain or loss : So is each man's particular product, To his particular share of the gain or low. EXAMPLES. 1. A, B and C hold a pasture in common, for which they pay 197.
Σελίδα 381 - A point is a dimensionless figure ; or an indivisible part of space. A line is a point continued, and a figure of one capacity, namely, length. A superficies is a figure of two dimensions, namely, length and breadth. A solid is a figure of three dimensions, namely, length, breadth, and thickness.
Σελίδα 168 - The first term, the last term, and the number of terms given, to find the sum of all the terms. RULE.* — Multiply the sum of the extremes by the number of terms, and half the product will be the answer.
Σελίδα 129 - ... have to their consequents, the proportion between the first antecedent and the last consequent is discovered, as well as the proportion between the others in their several respects.
Σελίδα 352 - B's, and B's is triple of C's, and the sum of all their ages is 140. What is the age of each ? Ans. A's =84, B's =42, and C's =14.
Σελίδα 389 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; and each degree into 60 minutes, each minute into 60 seconds, and so on.
Σελίδα 246 - Briggs' logarithm of the number N ; so that the common logarithm of any number 10" or N is n, the index of that power of 10 which is equal to the said number. Thus, 100, being the second power of 10, will have 2 for its logarithm ; and 1000, being the third power of 10, will have 3 for its logarithm. Hence, also, if 50 = 101-00*7, then is 1.69897 the common logarithm of 50.