Junior High School Mathematics, Book 2Heath, 1922 - Mathematics |
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Page ix
... Place such computation at the right side of your paper , arranging the main steps of your solution at the left side of the paper . Checking solutions . Even expert computers check the solution of a problem in some way to make certain ...
... Place such computation at the right side of your paper , arranging the main steps of your solution at the left side of the paper . Checking solutions . Even expert computers check the solution of a problem in some way to make certain ...
Page 6
... places to the right , etc. When multiplying by .1 , or .01 , or .001 , move the deci- mal point one , two , or three places to the left , etc. These two rules are quite familiar . c . Since 5 is one half of 10 , to multiply by 5 , first ...
... places to the right , etc. When multiplying by .1 , or .01 , or .001 , move the deci- mal point one , two , or three places to the left , etc. These two rules are quite familiar . c . Since 5 is one half of 10 , to multiply by 5 , first ...
Page 8
... place to the 4710 ( 2 × 2355 ) left since the six represents 60 . 7065 ( 3 × 2355 ) 4 . Since 9-3X3 , then 9X785 = 3X 755955 2355 = 7065 . The product is moved two places to the left since the nine represents 900 . 5 . Then add the ...
... place to the 4710 ( 2 × 2355 ) left since the six represents 60 . 7065 ( 3 × 2355 ) 4 . Since 9-3X3 , then 9X785 = 3X 755955 2355 = 7065 . The product is moved two places to the left since the nine represents 900 . 5 . Then add the ...
Page 19
... places when K = 578 and 1 = 35 . 8. In the equation V = 3hb , find b to two decimal places when V = 1500 and h = 51 . 9. In the equation P = BR , find B when P = $ 25.75 and R = 5 % . 10. In the equation P = BR , find R to three decimal ...
... places when K = 578 and 1 = 35 . 8. In the equation V = 3hb , find b to two decimal places when V = 1500 and h = 51 . 9. In the equation P = BR , find B when P = $ 25.75 and R = 5 % . 10. In the equation P = BR , find R to three decimal ...
Page 22
... place . ) 11. What is the height of a room containing 4500 cu . ft . of air space , if the width is 18 ft . and the length is 25 ft . ? 12. What is the diameter of the circle whose circum- ference is 23,562 in . ? 13. What is the ...
... place . ) 11. What is the height of a room containing 4500 cu . ft . of air space , if the width is 18 ft . and the length is 25 ft . ? 12. What is the diameter of the circle whose circum- ference is 23,562 in . ? 13. What is the ...
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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.