Shop Mathematics ...: Prepared in the Extension Division of the University of Wisconsin, Τόμος 1McGraw-Hill book Company, Incorporated, 1924 |
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Σελίδα xi
... SQUARE ROOTS AND TABLES 67. Powers 68. Roots . 93 93 69. Extracting the square root . 71. Square roots of decimals 72. Rules for square root . 73. The law of right triangles . 74. The value of tables . 94 70. Square roots of mixed ...
... SQUARE ROOTS AND TABLES 67. Powers 68. Roots . 93 93 69. Extracting the square root . 71. Square roots of decimals 72. Rules for square root . 73. The law of right triangles . 74. The value of tables . 94 70. Square roots of mixed ...
Σελίδα 93
... root of 32 is 2 . Roots are designated as square roots , cube roots , fourth roots , fifth roots , etc. , the same as powers . To find some root of a number , such as the cube root of 27 , we ... SQUARE ROOTS AND TABLES 67 Powers 68 Roots 93.
... root of 32 is 2 . Roots are designated as square roots , cube roots , fourth roots , fifth roots , etc. , the same as powers . To find some root of a number , such as the cube root of 27 , we ... SQUARE ROOTS AND TABLES 67 Powers 68 Roots 93.
Σελίδα 94
... square root of a given number is , therefore , another number which when multiplied by itself will produce the given number . The square root of 4 is 2 , the square root of 9 is 3 , the square root of 16 is 4 , etc. Just as the small ...
... square root of a given number is , therefore , another number which when multiplied by itself will produce the given number . The square root of 4 is 2 , the square root of 9 is 3 , the square root of 16 is 4 , etc. Just as the small ...
Σελίδα 95
... root of 186,624 . Point off into periods of two figures each ( 18'66'24 ' ) as explained , and it will be seen that the root must contain three digits to the left of the decimal point . The work is ... SQUARE ROOTS AND TABLES 95 The wedge.
... root of 186,624 . Point off into periods of two figures each ( 18'66'24 ' ) as explained , and it will be seen that the root must contain three digits to the left of the decimal point . The work is ... SQUARE ROOTS AND TABLES 95 The wedge.
Σελίδα 96
... root of 257.8623 . 2'57'.86'23'00 ( 16.058+ , Answer . 1 ( Trial divisor ) 20 X 1 = 20 157 . 6 ( Final divisor ) 26 1 56 ( Trial divisor ) 20 X 16 = 320 1 86 23 20 X 160 = 3200 5 ( Final divisor ) ( Trial divisor ) ... Square roots of decimals.
... root of 257.8623 . 2'57'.86'23'00 ( 16.058+ , Answer . 1 ( Trial divisor ) 20 X 1 = 20 157 . 6 ( Final divisor ) 26 1 56 ( Trial divisor ) 20 X 16 = 320 1 86 23 20 X 160 = 3200 5 ( Final divisor ) ( Trial divisor ) ... Square roots of decimals.
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Συχνά εμφανιζόμενοι όροι και φράσεις
amount Answer Antilog belt block boiler bolt brake horsepower calculated castings Centigrade cents ciphers circle circumference common denominator common fraction cube root cubic cutting speed cylinder decimal places decimal point diameter dimensions dimes distance divide dividend division dollar efficiency emery wheel equal Example Explanation Fahrenheit feet final divisor foot-pounds force arm formula given gives heat hoist horsepower improper fraction inclined plane indicated jackscrew lathe lead screw length lever lifted line shaft load logarithmic scale machine mantissa measure mechanical advantage minute mixed numbers multiply number of teeth operation piece piston pound pressure PROBLEMS pulley pump quotient raised reduced revolutions per minute rope shaft shown in Fig slide rule square inch square root steam engine steel stress stroke subtract surface speed temperature threads per inch trial divisor unit volume weight arm whole number width
Δημοφιλή αποσπάσματα
Σελίδα 129 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq.
Σελίδα 8 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 163 - Fig. 49. We will solve this problem partly graphically and partly by calculation. The first step is to find how fast the crank pin D is moving. For one turn of the crank, D travels through a distance equal to the circumference of a circle whose radius is R, that is, a distance of 2'ffTi.
Σελίδα 3 - An Improper Fraction is one whose numerator is equal to, or greater than, the denominator; as, f, f.
Σελίδα 41 - To divide by 10, move the decimal point one place to the left. To divide by 100, move the decimal. point two places to the left, and so on for other powers of 10.
Σελίδα 5 - When the numerator is less than the denominator, the value of the fraction is less than 1. 5th. When the numerator is equal to the denominator, the value of the fraction is equal to 1. 6th. When the numerator is greater than the denominator, the value of the fraction is greater than 1.
Σελίδα 76 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 41 - To multiply by 10, move the decimal point one place to the right, annexing a zero if necessary.
Σελίδα 2 - Definition of a Fraction. — A Fraction is one or more of the equal parts into which anything may be divided.