Shop Mathematics ...: Prepared in the Extension Division of the University of Wisconsin, Τόμος 1McGraw-Hill book Company, Incorporated, 1924 |
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Σελίδα 9
... cost $ 1200 when new , how much has the car depreciated , or lost , in value ? What fraction is this of the first cost ? 18. Wood screws are generally put up in boxes containing COMMON FRACTIONS 9 Reduction of fractions.
... cost $ 1200 when new , how much has the car depreciated , or lost , in value ? What fraction is this of the first cost ? 18. Wood screws are generally put up in boxes containing COMMON FRACTIONS 9 Reduction of fractions.
Σελίδα 21
... cost of ten 4 - in . by 6 - in . machine bolts at 13 First method : X 10 × 13 = 11 110 10 X = = 8 13ğ 132 cts . = Second method : 10 10 132 cts . , Answer . 30 8 Explanation : First multiply 10 by This gives or 6 8 3 or 33 Set this down ...
... cost of ten 4 - in . by 6 - in . machine bolts at 13 First method : X 10 × 13 = 11 110 10 X = = 8 13ğ 132 cts . = Second method : 10 10 132 cts . , Answer . 30 8 Explanation : First multiply 10 by This gives or 6 8 3 or 33 Set this down ...
Σελίδα 25
... cost of manufacturing . If the total cost of each is 60 cts . , what will be the cost of the MULTIPLICATION AND DIVISION OF FRACTIONS 25.
... cost of manufacturing . If the total cost of each is 60 cts . , what will be the cost of the MULTIPLICATION AND DIVISION OF FRACTIONS 25.
Σελίδα 26
... cost of the finishing operations on 10,000 of these parts ? 55. If a certain sized steel bar weighs 23 lb. to the ... cost per pound when the castings are bought from this firm is found to be 13 times the net cost of 5 cts . Is it ...
... cost of the finishing operations on 10,000 of these parts ? 55. If a certain sized steel bar weighs 23 lb. to the ... cost per pound when the castings are bought from this firm is found to be 13 times the net cost of 5 cts . Is it ...
Σελίδα 28
... cost of three articles priced as follows : $ 2.25 , $ 1 , and $ 1.75 ? $ 2.25 1 1.75 $ 5.00 , Answer . 31. Subtraction . Explanation : Here the $ 1 does not have any decimal point or cents after it , and care should be taken to see that ...
... cost of three articles priced as follows : $ 2.25 , $ 1 , and $ 1.75 ? $ 2.25 1 1.75 $ 5.00 , Answer . 31. Subtraction . Explanation : Here the $ 1 does not have any decimal point or cents after it , and care should be taken to see that ...
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Άλλες εκδόσεις - Προβολή όλων
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.