Junior High School Mathematics, Book 2Heath, 1922 - Mathematics |
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Page 8
... altitude is 5 ft . ? 25. What is the area of a parallelogram whose base is 25 ft . and whose altitude is 18 ft . ? d . When multiplying in the ordinary way , relations be- tween the digits of the multiplier often suggest short cuts ...
... altitude is 5 ft . ? 25. What is the area of a parallelogram whose base is 25 ft . and whose altitude is 18 ft . ? d . When multiplying in the ordinary way , relations be- tween the digits of the multiplier often suggest short cuts ...
Page 11
... altitude is 17.5 rd . 6. Find the circumference of the circle whose radius is 9 in . ( 3.1416 ) . 7. What is the value of 424 qt . of milk at 9 ¢ per quart ? 8. If a ticket seller sold 99 tickets at $ 1.25 each , how much money should ...
... altitude is 17.5 rd . 6. Find the circumference of the circle whose radius is 9 in . ( 3.1416 ) . 7. What is the value of 424 qt . of milk at 9 ¢ per quart ? 8. If a ticket seller sold 99 tickets at $ 1.25 each , how much money should ...
Page 12
... altitude is 15 in . Solution . 2 3 . 1 . Example 2 . The formula is A = ab . a = = ? 15 and b = 8 ; A A = X15X8 = 60 sq . in . Find the area of a trapezoid whose alti- tude is 14 in . , whose lower base is 12 in . , and whose upper base ...
... altitude is 15 in . Solution . 2 3 . 1 . Example 2 . The formula is A = ab . a = = ? 15 and b = 8 ; A A = X15X8 = 60 sq . in . Find the area of a trapezoid whose alti- tude is 14 in . , whose lower base is 12 in . , and whose upper base ...
Page 14
... altitude 8 in . 2. Find the circumference of the circle whose radius is 10 in . 3. Find the area of the trapezoid whose altitude is 12 in . , whose lower base is 15 in . , and whose upper base is 10 in . 4. Find the gain on $ 2500 if ...
... altitude 8 in . 2. Find the circumference of the circle whose radius is 10 in . 3. Find the area of the trapezoid whose altitude is 12 in . , whose lower base is 15 in . , and whose upper base is 10 in . 4. Find the gain on $ 2500 if ...
Page 21
... altitude of the trapezoid whose area is 525 sq . ft . , whose lower base is 19 ft . and whose upper base is 11 ft ... altitude of the rectangle whose area is 690 sq . ft . and whose base is 15 ft . 2. Find the base of the rectangle whose ...
... altitude of the trapezoid whose area is 525 sq . ft . , whose lower base is 19 ft . and whose upper base is 11 ft ... altitude of the rectangle whose area is 690 sq . ft . and whose base is 15 ft . 2. Find the base of the rectangle whose ...
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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.