The Most General School-assistant: Containing, a Complete System of Arithmetic: the Common and Useful Problems in Practical Geometry: the Methods Used in Taking the Dimensions of Artificers Work: Mensuration of All Kinds of Superficies and Solids, of Artificers Work, of Timber, and of Land: Together with Guaging, Bills of Parcels, &c. &c
R. Trewman, 1770 - 191 páginas
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The Most General School-assistant. Containing, a Complete System of ...
Vista completa - 1770
A M P L E aforeſaid alſo Amſterdam Angle Annum Anſ Anſwer Area º Anſw Barter Baſe Bought Breadth Bung Diameter Buſhels Caſk Cent Circle compoſed Content Anſw coſt Crown cuſtomary Cyphers Decimal Denominator Dimenſions Diſcount Diſtance divide Diviſion Diviſor equal Ex A M P L E Farthings Figure firſt Flemiſh Fraćtion Frađion Fruſtrum gain given greateſt greateſt Baſe Groſs hath Head Diameter Height Hogſhead Hundred Inches Integer Intereſt laſt leaſt Length leſs Loſs Meaſure Moidore Money Months Multiply muſt Number obſerve parabolic Spindle perpendicular Piaſtres Pound preſent Price Primes Priſm Produćt Quantity Queſtion Quotient Reduce Remainder reſpectively reſt Reſult Root Rule ſaid ſame ſecond Segment ſell ſeveral ſhall Shillings ſhould Side ſold ſolid Feet ſome Spheroid Square ſquare Feet ſterling ſuch ſuperficial Content Suppoſe Tare Term theſe Thickneſs thoſe Thouſand Triangle Ullage uſed Value Wine Gallons x A M P L E
Página 108 - A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed.
Página 48 - If a man perform a journey in 15 days when the days are 12 hours long, in how many will he do it when the days are but 10 hours long ? Ans.
Página 36 - RULE. Multiply the numerators together for the numerator, and the denominators together for the denominator of the required fraction.
Página 176 - If a footman travel 130 miles in 3 days, when the days are 12 hours long ; in how many days, of 10 hours each, may he travel 360 miles ? Ans. 9|f days. 5. If 120 bushels of corn can serve 14 horses 56 days, how many days will 94 bushels serve 6 horses?
Página 86 - How many strokes do the clocks of Venice, which go on to 24 o-clock, strike in the compass of a day?
Página 38 - When a decimal number is to be multiplied by 10, 100, 1000, &c., the multiplication may be made by removing the decimal point as many places to the right hand as there are ciphers in the multiplier, and if there be not so many figures on the right of the decimal point, supply the deficiency by annexing ciphers "10 l...
Página 31 - NOTE. — A fraction, strictly speaking, is less than a unit ; hence, if the numerator is equal to, or greater than, the denominator, it expresses a unit or more than a unit, and is therefore called an improper fraction. A mixed number is a whole number with a fraction; as, 7^, 5f.
Página 82 - ... be allowed to keep the remaining $70 ? Ans. 1 yr. 11 mo. 25 d., about. Another common but incorrect method. To find the time when several debts, due at different times, can be paid at once, without loss to either debtor or creditor, merchants usually Multiply each debt by the time to elapse before it is due, and divide the sum of the products by the sum of the debts. Though this method is inaccurate it is easy, and experiment shows it may be employed without much error, to find the mean time...