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 83
... cent means hundredths , that seven per cent means seven hun- dredths , it should not be necessary to tell him that 7 per cent of 143 is obtained by multiplying 143 by .07 . It should be a fair assumption that his previous work in the ...
... cent means hundredths , that seven per cent means seven hun- dredths , it should not be necessary to tell him that 7 per cent of 143 is obtained by multiplying 143 by .07 . It should be a fair assumption that his previous work in the ...
Σελίδα 88
... cents . or ( 10 × x ) + ( 5 × 2 x ) + ( 1 × 6x ) = 78 , 23. 15x - 12x = 75 . 10x + 10x + 6x = 78 . 24. x + 4x + x + 4x = 250 . 25. Let x = cost of speller ; then 3x = cost of reader . 26. Let a smaller ; then 5x = larger . = 27. Let x ...
... cents . or ( 10 × x ) + ( 5 × 2 x ) + ( 1 × 6x ) = 78 , 23. 15x - 12x = 75 . 10x + 10x + 6x = 78 . 24. x + 4x + x + 4x = 250 . 25. Let x = cost of speller ; then 3x = cost of reader . 26. Let a smaller ; then 5x = larger . = 27. Let x ...
Σελίδα 92
... cent pieces ; 10x value of dimes ( in cents ) ; 5x + 55 = value of five - cent pieces . = 10x + 5x + 55 = 100 . 15. x greater ; x = - 48 : = less . x + x − 48 = 100 . x + x + 48 = 100 . Or , x = less ; x + 48 = greater . 17. x = share ...
... cent pieces ; 10x value of dimes ( in cents ) ; 5x + 55 = value of five - cent pieces . = 10x + 5x + 55 = 100 . 15. x greater ; x = - 48 : = less . x + x − 48 = 100 . x + x + 48 = 100 . Or , x = less ; x + 48 = greater . 17. x = share ...
Σελίδα 93
... cent stamps ; x + 15 = number of 2 - cent stamps ; x + 30 = number of postal cards . - 20. x - 5x + 2x + 30 + x + 30 = 100 . number of horses ; x + 17 = number of cows ; 2x + 39 number of sheep . x + x + 17 + 2x + 39 = 88 . XIV NOTES ON ...
... cent stamps ; x + 15 = number of 2 - cent stamps ; x + 30 = number of postal cards . - 20. x - 5x + 2x + 30 + x + 30 = 100 . number of horses ; x + 17 = number of cows ; 2x + 39 number of sheep . x + x + 17 + 2x + 39 = 88 . XIV NOTES ON ...
Σελίδα 94
... cent . Many of the various subdivisions of this topic found in some books , are taken up only incidentally , while ... cent , con- sists in changing the former to a decimal of two places . In re- ducing to a decimal , the result is .5 ...
... cent . Many of the various subdivisions of this topic found in some books , are taken up only incidentally , while ... cent , con- sists in changing the former to a decimal of two places . In re- ducing to a decimal , the result is .5 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres algebraic altitude amount angle Annual interest apothem Arithmetic ascertain base bisecting calculate Cancel cent chord circle circumference 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 miles 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.