# Practical Applied Mathematics

McGraw-Hill book Company, Incorporated, 1915 - Mathematics - 206 pages

### Contents

 CHAPTER I 7 Reducing to lower terms 13 CONTENTS 18 Explanation of types of locomotives 19 Definitions 20 To find the percentage and the amount 21 To find the base 22 Definitions ratio 25
 67 95 70 96 CHAPTER X 97 Volume of cylinders 99 Table of weights 100 Board and timber measure 104 CHAPTER XI 108 The sign of subtraction 110

 Proportion 26 Definitions 29 The micrometer 37 CHAPTER IV 40 222222 43 To find the rate when we have the percentage and the base PERCENTAGE 44 Definition 29 The rectangle RATIO AND PROPORTION CHAPTER V 47 CHAPTER VI 57 CHAPTER VII 61 The triangle 36 The right triangle 30 Finding the length and width 64 The square 65 Finding the square root 66 Other foursided figures 69 The trapezoid 70 CHAPTER VIII 72 40 79 43 80 44 81 NOGRAS2 61 62 82 CHAPTER IX 83 Areas of circles 87 Finding the diameter when the area is known 90
 The sign of division 111 The signs of combination 112 Factors 113 Positive and negative numbers 114 Double meaning of the signs + and 116 Subtraction of positive and negative numbers 118 Multiplication of monomials 119 Division of monomials 120 SIMPLE EQUATIONS 121 72 123 CHAPTER XIII 133 CHAPTER XIV 140 CHAPTER XV 148 Pyramids and cones 154 CHAPTER XVII 165 Area of a triangle from the lengths of the three sides 172 Area of a surface forming a ring 178 Volume and area of solid rings 184 Comparison of metric and English systems 190 Decimal equivalents squares square roots cubes 196 INDEX 1 203 Copyright

### Popular passages

Page 165 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Page 83 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Page 190 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg...
Page 34 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
Page 112 - If a number be multiplied by itself any number of times, the result is called a power of that number. An Exponent is a number written at the right of, and above another number, to indicate what power of the latter is to be taken. Thus, a2, read " a square," or " a second power," denotes axa; a3, read " a cube," or " a third power," denotes axaxa ; a4, read " a fourth," or " a fourth power,
Page 48 - In any proportion, the product of the means is equal to the product of the extremes.
Page 122 - The area of a rectangle is equal to the product of its base and altitude ; that is, A = ab. 443. Corollary 1. The area of a square is equal to the square of its side. 444. Corollary 2. Tiro rectangles are to each other as the products of their bases and altitudes.
Page 18 - TABLE. 1728 cubic inches (cu. in.) make 1 cubic foot, ...... cu. ft. 27 cubic feet
Page 19 - CIRCULAR MEASURE 60 seconds — 1 minute 60 minutes = 1 degree 90 degrees - 1 quadrant 4 quadrants = 1 circle...
Page 18 - Ib. 25 pounds 3 make 1 quarter qr. 4 quarters make 1 hundred weight. cwt. 20 hundred weight make 1 ton T. APOTHECARIES WEIGHT, 7.