ArithmeticU.S. Government Printing Office, 1913 - 132 σελίδες |
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Σελίδα 4
... Cube root .. Mensuration Formulas . Measurements of plane surfaces .. Measurements of solids Application of mensuration in practical problems . Gearing .. Selecting change gears for simple gearing . Selecting change gears for compound ...
... Cube root .. Mensuration Formulas . Measurements of plane surfaces .. Measurements of solids Application of mensuration in practical problems . Gearing .. Selecting change gears for simple gearing . Selecting change gears for compound ...
Σελίδα 85
... cube . Thus , 53 is called the cube of 5 , or 5 cubed , and its value is 5X5X5 = 125 . TO FIND ANY POWER OF A NUMBER . 6. Example ARITHMETIC FOR SCHOOL FOR NAVAL MACHINISTS . 85 Involution.
... cube . Thus , 53 is called the cube of 5 , or 5 cubed , and its value is 5X5X5 = 125 . TO FIND ANY POWER OF A NUMBER . 6. Example ARITHMETIC FOR SCHOOL FOR NAVAL MACHINISTS . 85 Involution.
Σελίδα 86
... cube of 35 ? Solution . 35X35X35 , or 35 35 175 105 1225 35 6125 3675 Cube = 42,875 Ans . 7. Example : What is the fourth power of 15 ? Solution . 15X15X15X15 , or 15 15 75 15 225 15 1125 225 3375 15 16875 3375 Fourth power = 50,625 Ans ...
... cube of 35 ? Solution . 35X35X35 , or 35 35 175 105 1225 35 6125 3675 Cube = 42,875 Ans . 7. Example : What is the fourth power of 15 ? Solution . 15X15X15X15 , or 15 15 75 15 225 15 1125 225 3375 15 16875 3375 Fourth power = 50,625 Ans ...
Σελίδα 87
... cube root of a number is that number which , when used three times as a factor , produces the number . Thus , 3 is the cube root of 27 , since 3 × 3 × 3 , or 33 = 27 . 15. Thus the radical sign√ , when placed before a number , indi ...
... cube root of a number is that number which , when used three times as a factor , produces the number . Thus , 3 is the cube root of 27 , since 3 × 3 × 3 , or 33 = 27 . 15. Thus the radical sign√ , when placed before a number , indi ...
Σελίδα 91
... CUBE ROOT . 31. In the same manner as in the case of square root , it can be shown that the periods into which a number is divided whose cube root is to be extracted , must contain three figures , except that the first , or left- hand ...
... CUBE ROOT . 31. In the same manner as in the case of square root , it can be shown that the periods into which a number is divided whose cube root is to be extracted , must contain three figures , except that the first , or left- hand ...
Συχνά εμφανιζόμενοι όροι και φράσεις
altitude annex a cipher Answer apples base boiler bought bunker called cents left cipher circle circumference column common fraction contained cost cube root cubic feet cubic foot cubic inches cylinder decimal orders decimal places decimal point Divide dividend division dollar engine equal expressed fireroom frustum gallons greatest common divisor Hence horsepower hundredths improper fraction inches in diameter integer lathe lead screw least common multiple length lowest terms miles millionths minuend minutes mixed number multiplicand Multiply ounces period perpendicular piece pounds prime factors prime number pump quotient ratio Reduce remainder result revolutions revolutions per minute right angle rods RULE second figure ship sides simple fraction simple numbers Solution specific gravity square feet square inches square root steam subtract surface tank ten-thousandths tens tenths third thousand thousandths threads per inch tons of coal total number trial divisor triangle valve weighs write yards
Δημοφιλή αποσπάσματα
Σελίδα 15 - Multiplication is the process of taking one number as many times as there are units in another.
Σελίδα 26 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Σελίδα 28 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES
Σελίδα 118 - Divide the continued product of the mean effective pressure in pounds per square inch, the length of the stroke in feet,, the area of the piston in square inches, and the number of strokes per minute, by 33,000 ; the result will be the horsepower.
Σελίδα 30 - COUNTING. 12 units or things make 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great gross. 20 units
Σελίδα 33 - Write the remaining numbers in a horizontal line, and divide by any prime number that will exactly divide two or more of them, placing the quotients and the undivided numbers in a line beneath.
Σελίδα 115 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Σελίδα 87 - ... 9,801; with three figures 999, and 999' = 998,001; with four figures 9,999, and 9,999' = 99,980,001, etc. In each of the above it will be noticed that the square of the number contains just twice as many figures as the number. In order to find the square root of a number, the first step is to find how many figures there will be in the root. This is done by pointing off the number into periods of two figures each, beginning at the right.
Σελίδα 19 - The dividend is the number to be divided. The divisor is the number by which we divide.
Σελίδα 26 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.