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 92
... third . = x + x + 2400 + x + 2400 + 2400 18000 . 18. Let xless ; x + 33 = greater . x + 33-3x = 11 . Bringing known quantities to the left side of the equation , and the unknown quantities to the right , 33-11 3x − x , = 22 = 2x , 11 ...
... third . = x + x + 2400 + x + 2400 + 2400 18000 . 18. Let xless ; x + 33 = greater . x + 33-3x = 11 . Bringing known quantities to the left side of the equation , and the unknown quantities to the right , 33-11 3x − x , = 22 = 2x , 11 ...
Σελίδα 99
... third ; and 6-15 furnish data from which the necessary two items can be obtained . The pupil must , however , be careful in 11 , for instance , not to subtract the loss from the selling price to obtain the cost . х 100 is made equal to ...
... third ; and 6-15 furnish data from which the necessary two items can be obtained . The pupil must , however , be careful in 11 , for instance , not to subtract the loss from the selling price to obtain the cost . х 100 is made equal to ...
Σελίδα 111
... third ; x + 75 = share of second ; and x + 75 + 48 = share of first . x + x + 75 + x + 75 +48 = 540 . 19. If 4 men need 105 hr . , one man would need 420 hr . , and 6 men would need 70 hr . , or ( 70 ÷ 10 ) da . х = 20. Let x = number ...
... third ; x + 75 = share of second ; and x + 75 + 48 = share of first . x + x + 75 + x + 75 +48 = 540 . 19. If 4 men need 105 hr . , one man would need 420 hr . , and 6 men would need 70 hr . , or ( 70 ÷ 10 ) da . х = 20. Let x = number ...
Σελίδα 112
... price $ 63 . A third discount of 5 % means 5 % of the last price , $ 63 ; etc. , etc. In writing these discounts , the per cent mark is written only after the last . net " amount of 11. On a bill of $ 112 MANUAL FOR TEACHERS.
... price $ 63 . A third discount of 5 % means 5 % of the last price , $ 63 ; etc. , etc. In writing these discounts , the per cent mark is written only after the last . net " amount of 11. On a bill of $ 112 MANUAL FOR TEACHERS.
Σελίδα 114
... third by adding of ( 60 × 60 ) to of ( 60 × 40 ) ; and that of the fourth by adding of ( 60 x 70 ) toof ( 60 × 30 ) . Each of these will be found equal to of ( 60 × 100 ) . 3. The second rectangle is divided into three triangles , two ...
... third by adding of ( 60 × 60 ) to of ( 60 × 40 ) ; and that of the fourth by adding of ( 60 x 70 ) toof ( 60 × 30 ) . Each of these will be found equal to of ( 60 × 100 ) . 3. The second rectangle is divided into three triangles , two ...
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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
Δημοφιλή αποσπάσματα
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.