ArithmeticU.S. Government Printing Office, 1913 - 132 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 50.
Σελίδα 10
... pounds . There are four primary operations of arithmetic , namely , addition , subtraction , multiplication , and division . They are called the Funda- mental Rules . ADDITION OF SIMPLE NUMBERS . The sign of addition ( + ) is called ...
... pounds . There are four primary operations of arithmetic , namely , addition , subtraction , multiplication , and division . They are called the Funda- mental Rules . ADDITION OF SIMPLE NUMBERS . The sign of addition ( + ) is called ...
Σελίδα 11
... pounds ; Tuesday , 1,665 pounds ; Wednesday , 1,725 pounds ; Thursday , 1,690 pounds ; Friday , 1,648 pounds ; Saturday , 1,020 pounds . How much coal was burned during the week ? Answer , 9,548 pounds . 2. A steam pump pumps out of a ...
... pounds ; Tuesday , 1,665 pounds ; Wednesday , 1,725 pounds ; Thursday , 1,690 pounds ; Friday , 1,648 pounds ; Saturday , 1,020 pounds . How much coal was burned during the week ? Answer , 9,548 pounds . 2. A steam pump pumps out of a ...
Σελίδα 12
... pounds . SUBTRACTION Subtraction is the process of finding how much greater one number is than another . The greater of the two numbers is called the minuend . The smaller of the two numbers is called the subtrahend . The number left ...
... pounds . SUBTRACTION Subtraction is the process of finding how much greater one number is than another . The greater of the two numbers is called the minuend . The smaller of the two numbers is called the subtrahend . The number left ...
Σελίδα 14
... pounds . 72 pounds of metal were removed in turning it to a cylindrical shape . 18 pounds were re- moved in squaring the ends . How much did it weigh when finished ? Answer , 375 lbs . 10. There were 95,040 feet of piping in a ship . Of ...
... pounds . 72 pounds of metal were removed in turning it to a cylindrical shape . 18 pounds were re- moved in squaring the ends . How much did it weigh when finished ? Answer , 375 lbs . 10. There were 95,040 feet of piping in a ship . Of ...
Σελίδα 18
... pounds ) of this coal ? Answer , 32,480,000 units . 23. The mechanical equivalent of a heat unit is 778 foot pounds . In other words , the energy expended in raising the temperature of 1 pound of pure water from 62 ° to 63 ° F. is ...
... pounds ) of this coal ? Answer , 32,480,000 units . 23. The mechanical equivalent of a heat unit is 778 foot pounds . In other words , the energy expended in raising the temperature of 1 pound of pure water from 62 ° to 63 ° F. is ...
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.