A School Algebra CompleteMaynard, Merrill & Company, 1897 - 417 σελίδες |
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Σελίδα 63
... dollars as John , how many dollars has each boy ? By solution of the problem is meant , of course , finding the value of the unknown quantity or quantities of the problem . The first thing to be done , therefore , is to de- termine what ...
... dollars as John , how many dollars has each boy ? By solution of the problem is meant , of course , finding the value of the unknown quantity or quantities of the problem . The first thing to be done , therefore , is to de- termine what ...
Σελίδα 64
... dollars John has . 2x = 12 , 66 66 James has . It is to be noticed particularly that we let x equal a definite number , not a vague quantity . We do not let x = the money which John has , nor but let x = what John has , x = number of ...
... dollars John has . 2x = 12 , 66 66 James has . It is to be noticed particularly that we let x equal a definite number , not a vague quantity . We do not let x = the money which John has , nor but let x = what John has , x = number of ...
Σελίδα 65
... dollars more than John ; how many dollars has each ? Let x = number of dollars which John has . Since James has 8 dollars more than John , x + 8 = number of dollars which James has . · · . x + ( x + 8 ) = But 24 Hence , by Axiom 1 , x + ...
... dollars more than John ; how many dollars has each ? Let x = number of dollars which John has . Since James has 8 dollars more than John , x + 8 = number of dollars which James has . · · . x + ( x + 8 ) = But 24 Hence , by Axiom 1 , x + ...
Σελίδα 66
... dollars ) — ( number of John's dollars ) = 8 ; that is , ( 24 - x ) 24 x - X 8 X = 8 ---- 2x = 16 x = 8 , number of John's dollars . 24 -x = = 16 , ( 6 James's 66 EXERCISE 15 . ORAL . 1. A has x marbles , and B has twice as many ; how ...
... dollars ) — ( number of John's dollars ) = 8 ; that is , ( 24 - x ) 24 x - X 8 X = 8 ---- 2x = 16 x = 8 , number of John's dollars . 24 -x = = 16 , ( 6 James's 66 EXERCISE 15 . ORAL . 1. A has x marbles , and B has twice as many ; how ...
Σελίδα 67
... dollars , and 6 quarters ; how many cents has he ? 17. How many dimes in x dollars and y halves ? 18. I have ≈ dollars in my purse and y dimes in my pocket ; if I give away fifty cents , how much have I remaining ? 19. By how much does ...
... dollars , and 6 quarters ; how many cents has he ? 17. How many dimes in x dollars and y halves ? 18. I have ≈ dollars in my purse and y dimes in my pocket ; if I give away fifty cents , how much have I remaining ? 19. By how much does ...
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Άλλες εκδόσεις - Προβολή όλων
A School Algebra Complete (Classic Reprint) Fletcher Durell Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
A School Algebra Complete Fletcher Durell,Edward Rutledge Robbins Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
Συχνά εμφανιζόμενοι όροι και φράσεις
ab² algebraic expression algebraic symbols arithmetical arithmetical means Arrange the terms ax² binomial coefficients Commutative Law continued fraction convergent cube root decimal denoted difference digits Diophantus Distributive Law Divide dividend division divisor equal EXERCISE exponent Extract the square figures find each letter Find the H. C. F. Find the number find the value formula given expression Hence integer less logarithm mantissa method miles an hour minus sign monomial multiplicand Multiply negative quantity number of dollars numerator and denominator obtain parenthesis partial fractions permutations polynomial quadratic equation quan quotient radical sign Reduce remainder result similar terms Simplify Solve square root Substitute Subtract surd tity trial divisor unknown numbers unknown quantity x²y x³y xy² zero
Δημοφιλή αποσπάσματα
Σελίδα 376 - To Divide One Number by Another, Subtract the logarithm of the divisor from the logarithm of the dividend, and obtain the antilogarithm of the difference.
Σελίδα 147 - At what time between 3 and 4 o'clock are the hands of a watch pointing in opposite directions?
Σελίδα 66 - There is a fish whose tail weighs 9 pounds, his head weighs as much as his tail and half his body, and his body weighs as much as his head and his tail ; what is the whole weight of the fish ? Ans.
Σελίδα 196 - Separate the given number into periods of two figures each, beginning at the right hand: the period on the left will often contain but one figure.
Σελίδα 396 - Then divide the first term of the remainder by the first term of the divisor...
Σελίδα 84 - Arts. 75 and 76 a trinomial is a perfect square when its first and last terms are perfect squares and positive, and the middle term is twice the product of the square roots of the end terms.
Σελίδα 290 - In a series of equal ratios, any antecedent is to its consequent, as the sum of all the antecedents is to the sum of all the consequents. Let a: 6 = c: d = e :/. Then, by Art.
Σελίδα 216 - To divide powers of the same base, subtract the exponent of the divisor from the exponent of the dividend.
Σελίδα 331 - There are n points in a plane, no three of which are in the same straight line with the exception of...
Σελίδα 370 - If the number is less than 1, make the characteristic of the logarithm negative, and one unit more than the number of zeros between the decimal point and the first significant figure of the given number.