An Introduction to Algebra Upon the Inductive Method of InstructionHilliard, Gary, Little, and Wilkins, 1830 - 276 σελίδες |
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Σελίδα 4
... whole of it . When the learner understands the purpose of representing known quantities as well as unknown , by ... number of examples introduce and illustrate every principle , and as far as seemed practicable , the subjects are taught ...
... whole of it . When the learner understands the purpose of representing known quantities as well as unknown , by ... number of examples introduce and illustrate every principle , and as far as seemed practicable , the subjects are taught ...
Σελίδα 11
... number of dollars that A got ; then B got 5x , C7x , and D ( 5x + 7x ) = 12x . These , added toge- ther , must make $ 325 , the whole number to be divided . x + 5x + 7x + 12x = 325 Putting all the x's together , 25x = 325 x = 13 = A's ...
... number of dollars that A got ; then B got 5x , C7x , and D ( 5x + 7x ) = 12x . These , added toge- ther , must make $ 325 , the whole number to be divided . x + 5x + 7x + 12x = 325 Putting all the x's together , 25x = 325 x = 13 = A's ...
Σελίδα 12
... number of each sort . For the oxen he gave $ 42 apiece , for the cows $ 20 ... whole price . 42x + 20x + 8x = 1400 Putting the x's together , Dividing by ... number of sheep ; then 3x will denote the number of calves . Then sheep , at $ 7 ...
... number of each sort . For the oxen he gave $ 42 apiece , for the cows $ 20 ... whole price . 42x + 20x + 8x = 1400 Putting the x's together , Dividing by ... number of sheep ; then 3x will denote the number of calves . Then sheep , at $ 7 ...
Σελίδα 13
... whole price . 7x + 15x = 374 Putting the x's together , 22 x = 374 Dividing by 22 , x = 17 = number of sheep . 3x ... value of the unknown quantity . This expression of equality between two quantities , is called an equation . In the ...
... whole price . 7x + 15x = 374 Putting the x's together , 22 x = 374 Dividing by 22 , x = 17 = number of sheep . 3x ... value of the unknown quantity . This expression of equality between two quantities , is called an equation . In the ...
Σελίδα 14
... whole ? Let x denote one half the number of barrels . 15. From two towns , which are 187 miles apart , two travel- lers set out at the same time with an intention of meeting ; one of them travels at the rate of 8 , the other of 9 miles ...
... whole ? Let x denote one half the number of barrels . 15. From two towns , which are 187 miles apart , two travel- lers set out at the same time with an intention of meeting ; one of them travels at the rate of 8 , the other of 9 miles ...
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Άλλες εκδόσεις - Προβολή όλων
An Introduction to Algebra: Upon the Inductive Method of Instruction Warren Colburn Πλήρης προβολή - 1837 |
An Introduction to Algebra Upon the Inductive Method of Instruction Warren Colburn Πλήρης προβολή - 1826 |
An Introduction to Algebra Upon the Inductive Method of Instruction Warren Colburn Πλήρης προβολή - 1831 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 rods 3d power 3d root a b c A's share a+b+c a² b² a² b³ a³ b² ac² added algebra algebraic quantities apples approximate root Arith arithmetic becomes binomial Binomial Theorem bought breadth bushels coefficient compound interest compound quantities contained decimal denominator difference divide the number dividend division divisor equal equation example exponent expression factor figure formula fourth fraction gallons gives greater Hence length less Let the learner letter logarithm lowest terms merator miles multiplicand negative quantity number of dollars number of terms observe pears quan question quotient remainder required to find rule second power second root second term sheep shillings sold square rods subtracted Suppose third power third root tities twice unknown quantity whole number yards zero
Δημοφιλή αποσπάσματα
Σελίδα 2 - Clerk's Office. BE IT REMEMBERED, that on the ninth day of September, AD 1818, and in the forty-third year of the Independence of the United States of America, Samuel Swett of the said district has deposited in this office the title of a book, the right whereof he claims as author, in the words following, to wit : Historical and topographical Sketch of Bunker Hill Battle, with a Plan.
Σελίδα 236 - The sum of all the terms. Any three of which being given, the other two may be found.
Σελίδα 101 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient.
Σελίδα 2 - An act supplementary to an act, entitled, * An act for the encouragement of learning, by securing the copies of maps, charts, and books to the authors and proprietors of such copies, during the times therein mentioned,* and extending the benefits thereof to the arts of designing, engraving, and etching historical and other prints.
Σελίδα 156 - Take three times the square of the root just found for a trial divisor, and see how often it is contained in the dividend, and place the quotient for a second figure of the root. Then cube the figures of the root thus found, and if...
Σελίδα 33 - B gained a sum less by £40 than twice the sum A had lost ; when it appeared that B had twice as much money as A. What money did each begin with ? Let x be the number of pounds each had at first.
Σελίδα 92 - It will be seen by the above section that if both the numerator and denominator be multiplied by the same number, the value of the fraction will not be altered...
Σελίδα 229 - Hence, any term may be found by adding the product of the common difference by the number of terms less one, to the first term. Example.
Σελίδα 35 - How many days did he work, and how many days was he idle ? Let x = the number of days he worked.
Σελίδα 271 - Divide the number 14 into two such parts, that the quotient of the greater divided by the less, shall be to the quotient of the less divided by the greater as 16 to 9.