Mathematics for Common Schools: A Manual for Teachers, Including Definitions, Principles, and Rules and Solutions of the More Difficult Problems1896 |
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Σελίδα 142
... circle joining the points , and the 20 ° are of a small circle . - 11. 46 ° 22 ' 30 " 468 ° . The number of miles = 691 × 468 . 12. The approximate length of the 45th parallel is 25000 mi . × .7071 ; the length of a degree on this ...
... circle joining the points , and the 20 ° are of a small circle . - 11. 46 ° 22 ' 30 " 468 ° . The number of miles = 691 × 468 . 12. The approximate length of the 45th parallel is 25000 mi . × .7071 ; the length of a degree on this ...
Σελίδα 182
... circle . Measure this distance very carefully , also the diameter of the circle , and ascertain the ratio . 12. See Art . 1274 , 6-14 , for the reason for the rule for de- termining the area of a circle . = 13. The circumference ( 2x x ...
... circle . Measure this distance very carefully , also the diameter of the circle , and ascertain the ratio . 12. See Art . 1274 , 6-14 , for the reason for the rule for de- termining the area of a circle . = 13. The circumference ( 2x x ...
Σελίδα 193
... circle is equal to the product of the semi - circumference by the semi - diameter , and ascertaining from 2 that this is equal to the square of the radius multiplied by 3.1416 , the latter rule can occasionally be em- ployed . See 6 . 4 ...
... circle is equal to the product of the semi - circumference by the semi - diameter , and ascertaining from 2 that this is equal to the square of the radius multiplied by 3.1416 , the latter rule can occasionally be em- ployed . See 6 . 4 ...
Σελίδα 195
... circle . Area of circle = 100 x 3.1416 . 1125. 2. See Supplement for the definitions . 3. $ 6.75 is what per cent of $ 2700 ? 6. The note is due April 13 ( 10 ) , 1891 ; the term of discount is 102 ( 99 ) da . 7. Do not place the rate ...
... circle . Area of circle = 100 x 3.1416 . 1125. 2. See Supplement for the definitions . 3. $ 6.75 is what per cent of $ 2700 ? 6. The note is due April 13 ( 10 ) , 1891 ; the term of discount is 102 ( 99 ) da . 7. Do not place the rate ...
Σελίδα 201
... circle of which the sector forms a part , is ( 2 x 6 times 3.1416 ) in . , or ( 12 times 3.1416 ) in .; the sector is , therefore , of the circle , and its arc measures 360 ° , or 120 ° . Any sector of 120 ° will form a hollow cone of ...
... circle of which the sector forms a part , is ( 2 x 6 times 3.1416 ) in . , or ( 12 times 3.1416 ) in .; the sector is , therefore , of the circle , and its arc measures 360 ° , or 120 ° . Any sector of 120 ° will form a hollow cone of ...
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acres algebraic altitude amount angle Annual interest apothem Arithmetic ascertain base bisecting calculate Cancel cent chord circle circumference commission construct contains convex surface cost days of grace decimal deducting diagonal diameter difference Divide dividend divisor draft draw drawn equal equation factors figure frustum gain given gives greatest common divisor hypotenuse Improper Fraction inches intersecting least common multiple length longitude loss March 17 marked price measure method minuend mixed numbers Multiply number of days number of degrees number of square obtain par value payment percentage perpendicular principal problems Proceeds profits protractor pupils quotient radius rectangle remaining rhombus right-angled triangle rods RULE scholars selling price side slant height solve subtract subtrahend teacher term vertex whole number William Simms yards
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Σελίδα 173 - A corporation is an association of a number of persons legally empowered to transact business as a single individual. The charter specifies the name of the corporation, the amount of capital, the business it is authorized to carry on, the powers and privileges conferred, etc. The stock is the money invested in the business of the corporation ; a share is one of the equal parts into which the stock is divided ; a shareholder is the owner of one or more shares ; a stockbroker is a person engaged in...
Σελίδα xix - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Σελίδα viii - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Σελίδα ii - I. Write the divisor at the left of the dividend, with a line between them.
Σελίδα vi - Multiplying or dividing both terms of a fraction by the same number does not alter the value of the fraction.
Σελίδα 126 - Multiply the sum of the parallel sides by the perpendicular distance between them, and half the product will be the area.
Σελίδα vii - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Σελίδα iii - RULE. Divide the given number by any prime factor ; divide the quotient in the same manner, and so continue the division until the quotient is a prime number.