A Plain and Comprehensive Treatise of Decimals and Mensuration. ...: Containing. An application of decimals to all the leading branches of arithmetic .... Interest in all its cases .... The extraction and uses of the square and cube roots .... Duodecimals, or cross-multiplication .... Mensuration of all kinds of superficies and solids ... And to accommodate the above work, is added. An introduction to practical music; together with the construction of organ pipes, spinets, &c. The whole rendered familiar to the meanest capacity, Τόμος 6editor, 1766 - 309 σελίδες |
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Σελίδα 41
... , and at the end of 12 months it amounts to 811. at what rate per cent . was the intereft allow'd ? 81 75 As 75 6 / ICO : 6 6 75 ) 60c ( 81 . Anfwer . 600 -An acre of land contains 40 perches in length , RULE OF THREE . 41.
... , and at the end of 12 months it amounts to 811. at what rate per cent . was the intereft allow'd ? 81 75 As 75 6 / ICO : 6 6 75 ) 60c ( 81 . Anfwer . 600 -An acre of land contains 40 perches in length , RULE OF THREE . 41.
Σελίδα 42
... length , and 4 in breadth ; what must be the length to make an acre when the breadth is but 15 yards ? As 22 220 :: 15 . 5.5 4 22.0 22 440 440 5.5 40 15 ) 4840 45 ( 3 Yards yds . f . 322.6.or 322 Anfwer . 2 220.0 34 30 40 30 100 90 If a ...
... length , and 4 in breadth ; what must be the length to make an acre when the breadth is but 15 yards ? As 22 220 :: 15 . 5.5 4 22.0 22 440 440 5.5 40 15 ) 4840 45 ( 3 Yards yds . f . 322.6.or 322 Anfwer . 2 220.0 34 30 40 30 100 90 If a ...
Σελίδα 117
... length of a line drawn from its vertical point to the circumference of its bafe ) and from that fquare fubtract the fquare of the femidiameter of its bafe , then the fquare root of the remainder is the perpendicular height of the cone ...
... length of a line drawn from its vertical point to the circumference of its bafe ) and from that fquare fubtract the fquare of the femidiameter of its bafe , then the fquare root of the remainder is the perpendicular height of the cone ...
Σελίδα 121
... length A B 80 , and the leaft fide B C 40 , to find the point D in the bafe where the perpendicular shall fall ? A 80 80 100 40 100 40 6400 10000 1600 B 6400 80 164c0 1600 100 D 14800 Σ 100 ) 74/00 74 Anfwer . Note . A Note . To find ...
... length A B 80 , and the leaft fide B C 40 , to find the point D in the bafe where the perpendicular shall fall ? A 80 80 100 40 100 40 6400 10000 1600 B 6400 80 164c0 1600 100 D 14800 Σ 100 ) 74/00 74 Anfwer . Note . A Note . To find ...
Σελίδα 122
... length of the perpendi- cular B D in the aforementioned triangle ; from the fquare of A B , fubtract the fquare of A D , and the fquare root of the remainder is the perpendicular . PROBLEM . Having the fides of an oblique angled ...
... length of the perpendi- cular B D in the aforementioned triangle ; from the fquare of A B , fubtract the fquare of A D , and the fquare root of the remainder is the perpendicular . PROBLEM . Having the fides of an oblique angled ...
Συχνά εμφανιζόμενοι όροι και φράσεις
acres againſt ale gall alfo amount of 11 Anfwer angle annuity annum arch avoirdupois bafe breadth cafe cask cent chain circle circumference compaffes compound intereft cube cube root decimal depth diagonal diameter difcount diftance dimenfions divide divifor EXAMPLE faid fcale of equal fecond feet ferve fet one foot feveral fhall fhare fharp fhew fide figure find the area find the content fingle firft firſt flat folid content folid foot folid inches fome fpecific gravity fquare root fruftum ftation ftrings fubtract fuch gallons given gives gonal half itfelf Julian period laft leffer lefs length malt meaſure method muft multiplicand multiply muſt Note obferve octave ounces perpendicular pound PROBLEM quotient remainder repetend RULE Suppofe Suppofe thefe thofe thro trapezium triangle troy troy weight vulgar fraction weight whofe whole numbers wine wine gallons
Δημοφιλή αποσπάσματα
Σελίδα 21 - Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator.
Σελίδα 42 - If a man performs a journey in 6 days, when the day is 8 hours long; in what time will he do it, when the day is 12 hours long ? Anfw.
Σελίδα 22 - Multiply the given decimal by the number of parts in the next less denomination, and point off as many decimal places as there are in the given decimal.
Σελίδα 146 - ... superior. 3. In the same manner, multiply the multiplicand by the inches in the multiplier, and write the result of each term, one place more to the right hand of them, in the multiplicand.
Σελίδα 14 - Divifor ; if there be not, make them fo many, or more, by annexing of Cyphers. In dividing of whole or mix'd Numbers, if there be a Remainder, you may bring down more Cyphers, and, by continuing your Divifion, carry the Quotient to as many Places- of Decimals as you pleafe.
Σελίδα 110 - Seek the greatest square number in the first point, towards the left hand, placing the square number under the first point, and the root thereof in the quotient...
Σελίδα 184 - If a piece of timber be 22 inches deep, and 15 inches broad, how much in length will make a foot?
Σελίδα 151 - To measure a parallelogram, or long square. RULE. Multiply the length by the breadth, and the product will be the area, or superficial content.
Σελίδα 25 - ... parts that are contained in the greater denomination, to which the decimal is to be brought ; and the quotient is the decimal sought.
Σελίδα 183 - Multiply the A.rea of the Wall by the Number of half Bricks the Thickness the Wall is of; the...