Advanced ArithmeticAmerican book Company, 1905 - 253 σελίδες |
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Σελίδα 32
... divisible by 2 is called an even number , and one that is not divisible by 2 an odd number . Thus , 24 and 58 are even numbers , while 17 and 83 are odd numbers . 44. A number that has no factors except itself and unity is called a ...
... divisible by 2 is called an even number , and one that is not divisible by 2 an odd number . Thus , 24 and 58 are even numbers , while 17 and 83 are odd numbers . 44. A number that has no factors except itself and unity is called a ...
Σελίδα 33
... divisible by each of them . Thus , 12 , 18 , 24 , and 48 are common multiples of 3 and 6 , while 12 is the least common multiple ( 1. c . m . ) of 3 and 6 . 52. It is of ... Divisibility . 1. Any number is divisible FACTORS AND MULTIPLES 33.
... divisible by each of them . Thus , 12 , 18 , 24 , and 48 are common multiples of 3 and 6 , while 12 is the least common multiple ( 1. c . m . ) of 3 and 6 . 52. It is of ... Divisibility . 1. Any number is divisible FACTORS AND MULTIPLES 33.
Σελίδα 34
Elmer Adelbert Lyman. 53. Tests of Divisibility . 1. Any number is divisible by 2 if the number represented by its last right - hand digit is divisible by 2 . Proof . Any number may be considered as made up of as many 10's as are ...
Elmer Adelbert Lyman. 53. Tests of Divisibility . 1. Any number is divisible by 2 if the number represented by its last right - hand digit is divisible by 2 . Proof . Any number may be considered as made up of as many 10's as are ...
Σελίδα 35
... divisible by 9 since 7+ 3 + 6 + 2 = 18 is divisible by 9 . 6. Any number is divisible by 3 if the sum of its digits is divisible by 3 . The proof , which is similar to the proof of Principle 5 , is left for the student . 7. Any even ...
... divisible by 9 since 7+ 3 + 6 + 2 = 18 is divisible by 9 . 6. Any number is divisible by 3 if the sum of its digits is divisible by 3 . The proof , which is similar to the proof of Principle 5 , is left for the student . 7. Any even ...
Σελίδα 36
... divisible by 11 since 5 + 3 + 6− ( 7 + 3 + 4 ) = 0 is divisible by 11 . 9. The test for divisibility by 7 is too complicated to be useful . EXERCISE 12 1. Write three numbers of at least four figures each that are divisible by 4 . 2 ...
... divisible by 11 since 5 + 3 + 6− ( 7 + 3 + 4 ) = 0 is divisible by 11 . 9. The test for divisibility by 7 is too complicated to be useful . EXERCISE 12 1. Write three numbers of at least four figures each that are divisible by 4 . 2 ...
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acres altitude amount antilog arithmetical bank base bushels called carpet cent centimeters circle circumference common contained cube root cubic foot decagram decimal fraction decimal places decimeter denominator diameter difference digits discount divided dividend divisor earth equal EXERCISE factors figures Find the area Find the cost Find the number Find the volume grains greatest common divisor Greenwich Gregorian calendar Hence hour hypotenuse inch indorsement interest kilogram length logarithm longitude LYMAN'S ADV mantissa measure meridian meter metric system Multiply noon number of decimal paid parallelopiped payment pound premium prime meridian prism pyramid quotient radius ratio rectangular parallelopiped Reduce remainder right triangle sells sexagesimal side sold Solution specific gravity square root square yard subtract symbol trapezoid unit weight wide
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Σελίδα 64 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. yd.) 30^ square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 133 - Specific Gravity. The specific gravity of a substance is the ratio of its weight to the weight of an equal volume of some other substance taken as a standard.
Σελίδα 64 - MEASURE 12 inches (in.) = 1 foot (ft). 3 feet = 1 yard (yd.). 5J yards or Щ feet = 1 rod (rd.) . 320 rods = 1 mile (mi.). SURFACE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq.
Σελίδα 183 - Find the amount of the principal to the time when the payment, or the sum of the payments, equals or exceeds the interest due.
Σελίδα 48 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 66 - Liquid Measure 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 65 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 63 - Weight is used by apothecaries and physicians in compounding dry medicines. TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or § . 12 Ounces = 1 Pound, . . Ib., or ft,.
Σελίδα 65 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.