A New System of Arithmetic and MathematicsPiercy and Reed, printers, 1845 - 240 σελίδες |
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Σελίδα 154
... and breadth one foot four inches . Ans . 26 feet . 21. Required the area of a parallelogram whose base is eight hundred rods , and altitude four hundred rods . To find the area of a triangle . Rule . 154 MENSURATION .
... and breadth one foot four inches . Ans . 26 feet . 21. Required the area of a parallelogram whose base is eight hundred rods , and altitude four hundred rods . To find the area of a triangle . Rule . 154 MENSURATION .
Σελίδα 155
... triangle is equal to half a parallelogram of the same base and altitude , therefore the truth of this rule is evident . EXAMPLES . 1. Required the area of a triangle , the base being sixty rods and altitude forty rods . 2 | 30-15 -160 ...
... triangle is equal to half a parallelogram of the same base and altitude , therefore the truth of this rule is evident . EXAMPLES . 1. Required the area of a triangle , the base being sixty rods and altitude forty rods . 2 | 30-15 -160 ...
Σελίδα 156
... triangle whose side is twelve chains , and perpendicular ten chains . Ans . 6 acres . 9. Required the area of a right - angled triangle whose base is 140 rods , and perpendicular eighty rods . Ans . 35 acres . 10. Required the area of ...
... triangle whose side is twelve chains , and perpendicular ten chains . Ans . 6 acres . 9. Required the area of a right - angled triangle whose base is 140 rods , and perpendicular eighty rods . Ans . 35 acres . 10. Required the area of ...
Σελίδα 179
... triangle is equal to the sum of the squares of the other two sides , and consequently the difference of the square of the longest and either of the others is the square of the re- maining one . 5. The wall of a certain fortress is 17 ...
... triangle is equal to the sum of the squares of the other two sides , and consequently the difference of the square of the longest and either of the others is the square of the re- maining one . 5. The wall of a certain fortress is 17 ...
Σελίδα 182
... remainder - 10 the difference of the numbers required . 30 2 ) 60 sum of the numbers , 30 - half the sum of the number , 10 sub't.10 add 20 and 40 - n'ımbers required . There is a right angle triangle ; the hypotenuse is 182 PROBLEMS . 66.
... remainder - 10 the difference of the numbers required . 30 2 ) 60 sum of the numbers , 30 - half the sum of the number , 10 sub't.10 add 20 and 40 - n'ımbers required . There is a right angle triangle ; the hypotenuse is 182 PROBLEMS . 66.
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A New System of Arithmetic and Mathematics (1845) James H. Porter Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2008 |
A New System of Arithmetic and Mathematics (1845) James H. Porter Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2008 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 days 30 days 80 feet long acres answer balls contained barrels barter bbls bought breadth broadcloth build a wall bushels bushels of oats circumference cloth cost decimal denomination diameter distance divided dividend divisor dollars DRY MEASURE equal EXAMPLES federal money feet high feet wide find those numbers fraction frustrum gain gallons given number globe hhds hogsheads horses consume hundred hypotenuse lars left hand side Leghorn length lever MEASURE merchant miles months Multiply number of balls pence piasters piece pounds proportion quotient Reduce remainder Required the area Required the cost Required the interest Required the number right hand side rods Rule sell shillings slant height sold Spanish dollars square of sum square root subtract sugar Suppose tare Tare and Tret thick tons TROY WEIGHT weight whole numbers width wine worth yards cost yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 26 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 109 - 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 25 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Σελίδα 15 - Place the subtrahend or less number, under the minuend or greater, and subtract units from units, tens from tens, and so on. If any figure of the subtrahend be greater than the corresponding one of the minuend, borrow ten...
Σελίδα 32 - RULE.* 1. Place the numbers so that those of the same denomination may stand directly under each other.
Σελίδα 97 - If 248 men, in 5 days of 11 hours each, dig a trench 230 yards long, 3 wide and 2 deep ; in how many days of 9 hours each, will 24 men dig a trench of 420 yards long, 5 wide and 3 deep ? Ans.
Σελίδα 230 - D then struck :} of what A and B last acquired, out of their hands ; they, with difficulty, recovered ^ of it in equal shares again, but the other three carried off J apiece of the same.
Σελίδα 96 - If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick, in 12 days ; in what time...
Σελίδα 121 - Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator.
Σελίδα 27 - Minute, . 60 Minutes. ..." 1 Degree, ... " °. 30 Degrees . . . . " 1 Sign, ... " s. 12 Signs, or 360 Degrees, the whole great Circle of the Zodiac.