## An Elementary Treatise on Algebra: To which are Added Exponential Equations and Logarithms |

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SECTION I.

solution of a problem is the expressing of its conditions in algebraic language ;

this is called

SECTION I.

**Putting**Problems into Equations . 101. The first step in the algebraicsolution of a problem is the expressing of its conditions in algebraic language ;

this is called

**putting**the problem into equations . 102. No rule can be given for ... Página 51

Examples of

from the sum thus increased he took away the fourth part , and

stead $ 70 . He then counted his money , and found $ 120 . What was the original

sum ...

Examples of

**putting**Questions into Equations . stead $ 50 ; a short time after ,from the sum thus increased he took away the fourth part , and

**put**again in itsstead $ 70 . He then counted his money , and found $ 120 . What was the original

sum ...

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Examples of

days ago from a certain place , and goes 27 miles daily . Another corps wishes to

march in pursuit of it from the same place , and so quickly that it may reach the ...

Examples of

**putting**Questions into Equations . 6. A hostile corps has set out twodays ago from a certain place , and goes 27 miles daily . Another corps wishes to

march in pursuit of it from the same place , and so quickly that it may reach the ...

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Examples of

with A and C , and after this , with A and B. If , then , by these means , the

intended equal division is effected , how much booty did each soldier make ? Ans

. If x ...

Examples of

**putting**Questions into Equations . the same manner , B next dividedwith A and C , and after this , with A and B. If , then , by these means , the

intended equal division is effected , how much booty did each soldier make ? Ans

. If x ...

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Examples of

of cloth , at equal prices , for $ 60 . Had he got 3 pieces more for the same sum ,

each piece would have cost him $ 1 less . How many pieces did he buy ?

Examples of

**putting**Questions into Equations . 2 15. A person buys some piecesof cloth , at equal prices , for $ 60 . Had he got 3 pieces more for the same sum ,

each piece would have cost him $ 1 less . How many pieces did he buy ?

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An Elementary Treatise on Algebra: To which are Added Exponential Equations ... Benjamin Peirce Visualização integral - 1842 |

An Elementary Treatise on Algebra: To which are Added Exponential Equations ... Benjamin Peirce Visualização integral - 1860 |

An Elementary Treatise on Algebra: To which are Added Exponential Equations ... Benjamin Peirce Visualização integral - 1858 |

### Palavras e frases frequentes

affected approximate values arithmetical becomes body called coefficient consequently contained continued fraction continued product Corollary corresponding decimal denominator denote derivative difference Divide dividend division Elimination equal roots equation 23 EXAMPLES exponent expression Extract factor figure Find Find the greatest Find the square Find the sum follows fourth fraction Free function gallons given equation gives greater greatest common divisor Hence imaginary increased infinite integral known last term least less letter limit logarithm means method monomials multiplied negative number of real number of terms obtained places polynomial positive Problem progression Proof proportion putting quotient ratio real roots reduced remainder result reverse row of signs Solution Solve the equation square root substitution subtracted successive suppressed Theorem third true unity unknown quantity variable whence wine

### Passagens conhecidas

Página 46 - In any proportion the terms are in proportion by Composition and Division ; that is, the sum of the first two terms is to their difference, as the sum of the last two terms is to their difference.

Página 190 - One hundred stones being placed on the ground in a straight line, at the distance of 2 yards from each other, how far will a person travel who shall bring them one by one to a basket, placed at 2 yards from the first stone ? Ans.

Página 266 - The logarithm of the quotient is equal to the logarithm of the dividend, diminished by the logarithm of the divisor.

Página 61 - A term may be transposed from one member of an equation to the other by changing its sign.

Página 184 - I = the last term, r = the common difference, n = the number of terms, S = the sum of all 'the terms.

Página 53 - There is a number consisting of two digits, the second of which is greater than the first, and if the number be divided by the sum of its digits, the quotient is 4...

Página 30 - The 2d line of col. 1 is the 1st line multiplied by 7 in order to render its first term divisible by the first term of the new divisor ; the remainder of the division is the 4th line of col.

Página 125 - Subtract the square of the root from the first period, and to the remainder bring down the second period for a dividend. III. Double the root already found and place it on the left for a divisor.

Página 230 - Rule. 324. An equation of any degree whatever cannot have a greater number of positive roots than there are variations in the signs of Us terms, nor a greater number of negative roots than there are permanences of these signs.

Página 45 - Likewise, the sum of the antecedents is to their difference, as the sum of the consequents is to their difference. Ratio of Sum of two first Terms to that of two last. Moreover, in finding...