Junior High School Mathematics, Book 2Heath, 1922 - Mathematics |
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Page 129
... angle ? What kind of angle is the result ? 8. a . Carpenters who earned 50 ¢ per hour early in 1918 had their wages increased by 150 % by the end of 1920. What were their wages per hour at the end of 1920 ? b . Early in 1921 , they were ...
... angle ? What kind of angle is the result ? 8. a . Carpenters who earned 50 ¢ per hour early in 1918 had their wages increased by 150 % by the end of 1920. What were their wages per hour at the end of 1920 ? b . Early in 1921 , they were ...
Page 140
... angle is formed by any two inter- secting edges of a rectangular parallelopiped ? b . How many edges of the solid meet at any one ver- tex ? c . How many vertices does the solid have ? 2. a . How many faces does this solid have ? b ...
... angle is formed by any two inter- secting edges of a rectangular parallelopiped ? b . How many edges of the solid meet at any one ver- tex ? c . How many vertices does the solid have ? 2. a . How many faces does this solid have ? b ...
Page 152
... angles are all equal . The figure is called a regular octagon . Suppose that each side of the base is 4 in . long , and that the altitude of the prism is 6 ft . What is the total area of the lateral faces ? 8. What is the volume of a ...
... angles are all equal . The figure is called a regular octagon . Suppose that each side of the base is 4 in . long , and that the altitude of the prism is 6 ft . What is the total area of the lateral faces ? 8. What is the volume of a ...
Page 153
... angles are all equal is called a regular hexagon . The formula for finding $ 2 4 the area of such a hexagon is b = 6 × x1.73 , where s is the length of one side . a . Find the area of a regular hexagon whose sides each measure 5 in .. b ...
... angles are all equal is called a regular hexagon . The formula for finding $ 2 4 the area of such a hexagon is b = 6 × x1.73 , where s is the length of one side . a . Find the area of a regular hexagon whose sides each measure 5 in .. b ...
Page 155
... angle for one of its angles , as △ A ; that the hypotenuse of a right triangle is the side opposite the right angle , as side BC . You also learned that 6X6 , or 36 , is called the " square of 6 " or " 6 square " ; that " 6 square ...
... angle for one of its angles , as △ A ; that the hypotenuse of a right triangle is the side opposite the right angle , as side BC . You also learned that 6X6 , or 36 , is called the " square of 6 " or " 6 square " ; that " 6 square ...
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Common terms and phrases
ad valorem altitude amount due angle balance bank discount borrowed bought brokerage called cash casting out nines compound amount compound interest cost cubic cylinder date of maturity debt decimal decimeters deposit dividends divisor dollar earn equal EXERCISE Express face value Find the interest following examples following numbers formula hypotenuse inches income tax indorse interest on $1 invested July June length Liberty Bonds market value means measure meters metric system mills minuend Multiply the numbers negative numbers note discounted numbers in Example owner Pages paid par value parallelopiped payment perimeter person pounds preferred stock premium prism profit purchaser Pythagorean Theorem rate of income rate per cent ratio receive rectangle result right triangle selling price semi-annually shares sides sold Solution Solve the equation square root Subtract subtrahend tax rate temperature triangular prism units weight width
Popular passages
Page 165 - OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg...
Page 175 - The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means.
Page 247 - The sum of two sides of a triangle is greater than the third side, and their difference is less than the third side.
Page 251 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year...
Page 251 - English Money 4 farthings (far.) = 1 penny (d.) 12 pence = 1 shilling (s.) 20 shillings = 1 pound or sovereign...
Page 189 - To add two positive numbers, add their absolute values (§ 21), and prefix the plus sign to the result. 2. To add two negative numbers, add their absolute values and prefix the minus sign to the result.
Page 198 - RULE To subtract one number from another, change the sign of the./ subtrahend and add algebraically.
Page 170 - The Ratio of one number to another is the quotient of the first divided by the second. Thus, the ratio of a to b is -; it is also written a : b.
Page 196 - The number to be subtracted is called the Subtrahend. The number from which the subtrahend is to be subtracted is called the Minuend. The result is called the Remainder or Difference. 21. The symbol — , read "minus" or "less,
Page 86 - Duties are either specific, or ad valorem. A specific duty is a certain sum paid on a ton, hundred weight, yard, gallon, &c.