Shop Mathematics ...: Prepared in the Extension Division of the University of Wisconsin, Τόμος 1McGraw-Hill book Company, Incorporated, 1924 |
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Σελίδα ix
... MULTIPLICATION AND DIVISION OF FRACTIONS 21. A whole number times a fraction . 22. " Of " means times 23. A fraction times a fraction . 222233 3 34 4 5 5 6 = 23 11 12 13 13 14 15 19 19 20 20 21 23 24 24 24. Multiplying mixed numbers ...
... MULTIPLICATION AND DIVISION OF FRACTIONS 21. A whole number times a fraction . 22. " Of " means times 23. A fraction times a fraction . 222233 3 34 4 5 5 6 = 23 11 12 13 13 14 15 19 19 20 20 21 23 24 24 24. Multiplying mixed numbers ...
Σελίδα x
... Multiplication . 33. Division . 34. Reducing dollars to cents 35. Reducing cents to dollars 37. Wage calculations 27 28 28 29 29 30 31 31 32 CHAPTER V DECIMAL FRACTIONS 38. What are decimals ?. 39. Addition and subtraction 40.
... Multiplication . 33. Division . 34. Reducing dollars to cents 35. Reducing cents to dollars 37. Wage calculations 27 28 28 29 29 30 31 31 32 CHAPTER V DECIMAL FRACTIONS 38. What are decimals ?. 39. Addition and subtraction 40.
Σελίδα xiii
... Multiplication by logarithms . 219 219 220 221 223 223 137. Division by logarithms 224 138. Roots and powers 225 139. Logarithms of decimals 225 CHAPTER XX THE SLIDE RULE 140. Use of the slide rule 231 141. Logarithmic scale . 231 142 ...
... Multiplication by logarithms . 219 219 220 221 223 223 137. Division by logarithms 224 138. Roots and powers 225 139. Logarithms of decimals 225 CHAPTER XX THE SLIDE RULE 140. Use of the slide rule 231 141. Logarithmic scale . 231 142 ...
Σελίδα 4
... multiplying both numer- ator and denominator by the same number . Examples : 1 X 4 4 = 2 2 X 4 Similarly , 5 5 X 2 10 ... multiply 3 by the same number . 3 3 X 4 12 16 16 X 4 64 = = 11. Reduction to Lower Terms . - When we reduce a ...
... multiplying both numer- ator and denominator by the same number . Examples : 1 X 4 4 = 2 2 X 4 Similarly , 5 5 X 2 10 ... multiply 3 by the same number . 3 3 X 4 12 16 16 X 4 64 = = 11. Reduction to Lower Terms . - When we reduce a ...
Σελίδα 6
... Multiply the whole number by the denominator of the fraction and write the prod- uct over the denominator . This ... multiplication sign ( X ) ; and the division sign ( ÷ ) . The plus sign ( + ) is a signal , or indication , of addition ...
... Multiply the whole number by the denominator of the fraction and write the prod- uct over the denominator . This ... multiplication sign ( X ) ; and the division sign ( ÷ ) . The plus sign ( + ) is a signal , or indication , of addition ...
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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.