Advanced ArithmeticAmerican book Company, 1905 - 253 σελίδες |
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Σελίδα 9
... arithmetical computation very difficult . In- deed , their symbols were of little use except to record numbers . The Roman symbols are still used to number the chapters of books , on clock faces , etc. 10. The Arabs brought the present ...
... arithmetical computation very difficult . In- deed , their symbols were of little use except to record numbers . The Roman symbols are still used to number the chapters of books , on clock faces , etc. 10. The Arabs brought the present ...
Σελίδα 18
... Arithmetical Complement . The arithmetical com- plement of a number is the difference between the number and the next higher power of 10. Thus , the arithmetical complement of 642 is 358 , since 358 + 642 = 1000 . The arithmetical ...
... Arithmetical Complement . The arithmetical com- plement of a number is the difference between the number and the next higher power of 10. Thus , the arithmetical complement of 642 is 358 , since 358 + 642 = 1000 . The arithmetical ...
Σελίδα 20
... arithmetical complement of 3642 and sub- tract 10000 from the sum . 17. From 8757 take the sum of 1236 , 2273 and 3346 . 8757 6 , 9 , 15 and 2 ; 17 . 1236 5 , 12 , 15 and 0 ; 15 . 2273 4 , 6 , 8 and 9 ; 17 . 3346 4 , 6 , 7 and 1 ; 8 ...
... arithmetical complement of 3642 and sub- tract 10000 from the sum . 17. From 8757 take the sum of 1236 , 2273 and 3346 . 8757 6 , 9 , 15 and 2 ; 17 . 1236 5 , 12 , 15 and 0 ; 15 . 2273 4 , 6 , 8 and 9 ; 17 . 3346 4 , 6 , 7 and 1 ; 8 ...
Σελίδα 39
... the number of miles in the radius of the earth , having given that it is the least number that is divisible by 2 , 3 , 4 , 5 , 6 , 9 , 10 , 11 , 12 . CASTING OUT NINES 60. The check on arithmetical operations by FACTORS AND MULTIPLES 39.
... the number of miles in the radius of the earth , having given that it is the least number that is divisible by 2 , 3 , 4 , 5 , 6 , 9 , 10 , 11 , 12 . CASTING OUT NINES 60. The check on arithmetical operations by FACTORS AND MULTIPLES 39.
Σελίδα 40
Elmer Adelbert Lyman. CASTING OUT NINES 60. The check on arithmetical operations by casting out the nines was used by the Arabs . It is a very useful check , but fails to detect such errors as the addition of 9 , the interchange of ...
Elmer Adelbert Lyman. CASTING OUT NINES 60. The check on arithmetical operations by casting out the nines was used by the Arabs . It is a very useful check , but fails to detect such errors as the addition of 9 , the interchange of ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
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
Δημοφιλή αποσπάσματα
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.