Advanced ArithmeticAmerican book Company, 1905 - 253 σελίδες |
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Σελίδα 10
... base . In the Arabic , or Hindu system ten is used as a base ; i.e. numbers are written up to 10 , then to 20 , then to 30 , and so on . In this system 9 digits and 0 are necessary . If five is selected as the base , but 4 digits and 0 ...
... base . In the Arabic , or Hindu system ten is used as a base ; i.e. numbers are written up to 10 , then to 20 , then to 30 , and so on . In this system 9 digits and 0 are necessary . If five is selected as the base , but 4 digits and 0 ...
Σελίδα 46
... base 10 for 60 to become the modern decimal fraction . Sexagesimal frac- tions are still used in the measurement of angles and time . 68. The Romans used duodecimal fractions exclusively . They had special names and symbols for 12 , 12 ...
... base 10 for 60 to become the modern decimal fraction . Sexagesimal frac- tions are still used in the measurement of angles and time . 68. The Romans used duodecimal fractions exclusively . They had special names and symbols for 12 , 12 ...
Σελίδα 99
... base , giving the area of a triangle whose sides are 10 and base 4 as 20 instead of 19.6 , the result obtained by multiply- ing the altitude by half of the base . For the area of the isosceles trapezoid he multiplies a side by half the ...
... base , giving the area of a triangle whose sides are 10 and base 4 as 20 instead of 19.6 , the result obtained by multiply- ing the altitude by half of the base . For the area of the isosceles trapezoid he multiplies a side by half the ...
Σελίδα 100
... base and alti- tude , and the area is equal to the product of the base and altitude . That is , the number of square units in the area is equal to the product of the numbers that represent the base and altitude . If we denote the area ...
... base and alti- tude , and the area is equal to the product of the base and altitude . That is , the number of square units in the area is equal to the product of the numbers that represent the base and altitude . If we denote the area ...
Σελίδα 101
... base and altitude as the given parallelogram . Therefore , the area of a parallelogram is equal to the product of its base and alti- tude , or A = ab . A ' D ' A α B ' M a b 188. The Triangle . Since the line AB divides the ...
... base and altitude as the given parallelogram . Therefore , the area of a parallelogram is equal to the product of its base and alti- tude , or A = ab . A ' D ' A α B ' M a b 188. The Triangle . Since the line AB divides the ...
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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
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.