Porter's New System of Mathematics: With the Addition of a Complete Ready Reckoner : for the Use of Farmers and MechanicsJohn G. Wells, 1843 - 72 σελίδες |
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Porters' New System of Mathematics: With the Addition of a Complete Ready ... J. H. Porter Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Porter's New System of Mathematics: With the Addition of a Complete Ready ... James H. Porter Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 tons 15 days 240 feet long 30 days 9 days acres of grass atmospheric pressure axle balls contained base build a wall bushels of oats circumference cloth cost convex surface cost in dollars diameter divide the product divisor dollars per yard dolls England currency federal money feet and breadth feet high feet in length feet wide frustrum gain gentleman purchased hogsheads hundred inches inclined plane left hand side lever miles mow 12 acres Multiply number next inferior number of balls parallelogram perpendicular line Place the number power will balance Prop Proposition Reduce rency Required the area Required the atmospheric Required the convex Required the cost Required the interest Required the number Required the solidity revolutions per minute rhombus right cone right hand side rods and altitude RULE OF THREE screw slant height Solution thickness twenty wall 80 feet wedge wheel yards cost yards of cloth York currency
Δημοφιλή αποσπάσματα
Σελίδα 23 - CASE I. When it is required to find how many of the first sort of coin, weight or measure, mentioned in the question, are equal to a given quantity of the last.
Σελίδα 61 - THE SQUARE ROOT. The square of a number is the product arising from that number multiplied into itself. Extraction of the square root is the finding of such a number as being multiplied by itself will produce the number proposed. RULE. 1. Separate the given number into periods of two figures, each, beginning at the units place.
Σελίδα 20 - If a footman travel 240 miles in 12 days, when the days are 12 hours long ; how many days will he require to travel 720 miles, when the days are 16 hours long ? Ans.
Σελίδα 29 - ... what is the equated time for the payment of the whole? Ans. 137£f days. 7. A merchant has due him $1500 ; one-sixth is to be paid in 2 months ; one-third in 3 months ; and the rest in 6 months : what is the equated time for the payment of the whole ? Ans.
Σελίδα 21 - If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick, in 12 days ; in what time will 24 men build one 200 feet long; 8 feet high, and 6 feet thick ? 8 : 12 : : 20x6x4 24 :. i 200x8x6 80 days, «1ns.
Σελίδα 21 - 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?
Σελίδα 14 - If 60 gallons of water, in one hour, fall into a cistern containing 300 gallons, and by a pipe in the cistern, 35 gallons run out in an hour ; in what time will it be filled ? Ans. in 12 hours. 29. A and B depart from the same place and travel the same road ; but A goes 5 days before B, at the rate...
Σελίδα 29 - ... rest in 8 months ; and it is agreed to make one payment of the whole : in what time ought that payment to be ? Ans.
Σελίδα 32 - Bought 90 gallons of wine at 1 dol! 20 cts. per gall. but by accident 10 gallons leaked out, at what rate must I sell the remainder per gallon to gain upon the whole prime cost; at the rate of 12i per cent.
Σελίδα 62 - Divide the given number into periods of three figures eacn, as in the common method, and find the nearest cube to the first period, subtract it therefrom, and put the root in the quotient ; then thrice the square of this root will be the trial divisor for finding the next figure.