Algebra for BeginnersMacmillan, 1895 - 188 σελίδες |
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Σελίδα 60
... persons , the share of each is the total sum divided by the number of persons , or $ Example 6. Out of a purse containing $ x and man spends z quarters ; express in cents the sum left . and $ x = 4x quarters , y half - dollars = 2y ...
... persons , the share of each is the total sum divided by the number of persons , or $ Example 6. Out of a purse containing $ x and man spends z quarters ; express in cents the sum left . and $ x = 4x quarters , y half - dollars = 2y ...
Σελίδα 61
... persons combine to pay a bill of $ y , what is the share of each in dimes ? 31. How many dimes must a man pay out of a sum of $ p so as to have left 30x cents ? 32. How many persons must contribute equally to a fund con- sisting of $ x ...
... persons combine to pay a bill of $ y , what is the share of each in dimes ? 31. How many dimes must a man pay out of a sum of $ p so as to have left 30x cents ? 32. How many persons must contribute equally to a fund con- sisting of $ x ...
Σελίδα 63
... persons , and each pays 75 cents , how many dollars does the bill amount to ? 25. A man has $ x in his purse , he pays away 25 dimes , and receives y cents ; express in dimes the sum he has left . 26. How many dollars does a man save in ...
... persons , and each pays 75 cents , how many dollars does the bill amount to ? 25. A man has $ x in his purse , he pays away 25 dimes , and receives y cents ; express in dimes the sum he has left . 26. How many dollars does a man save in ...
Σελίδα 67
... ; 9. A father is 24 years older than his son ; in 7 years the son's age will be two - fifths of his father's age ; what are their present ages ? Example III . A person spent $ 56.40 in buying XI . ] 67 PROBLEMS LEADING TO SIMPLE EQUATIONS .
... ; 9. A father is 24 years older than his son ; in 7 years the son's age will be two - fifths of his father's age ; what are their present ages ? Example III . A person spent $ 56.40 in buying XI . ] 67 PROBLEMS LEADING TO SIMPLE EQUATIONS .
Σελίδα 68
Henry Sinclair Hall, Samuel Ratcliffe Knight. Example III . A person spent $ 56.40 in buying geese and ducks ; if each goose cost 7 dimes , and each duck 3 dimes , and if the total number of birds bought was 108 , how many of each did he ...
Henry Sinclair Hall, Samuel Ratcliffe Knight. Example III . A person spent $ 56.40 in buying geese and ducks ; if each goose cost 7 dimes , and each duck 3 dimes , and if the total number of birds bought was 108 , how many of each did he ...
Συχνά εμφανιζόμενοι όροι και φράσεις
a²+b² acres algebraical sum Arithmetic arranged beginner cents CHAPTER coefficient Completing the square compound expressions convenient cube root descending powers difference digits dimes Divide division divisor Elementary Algebra equal examples see Elementary EXAMPLES XVII exceeds Find the highest Find the lowest find the number Find the product Find the square Find the sum find the value following expressions given expressions half-dollars Hence highest common factor lowest common denominator lowest common multiple lowest terms miles an hour miles per hour minute-hand Multiply negative numerator and denominator obtain quadratic equation quotient Reduce to lowest remainder removing brackets Resolve into factors result rule of signs side simple equation simultaneous equations Solve the equations square root Subtract Transposing trinomial unknown quantities walk whence write yards α α
Δημοφιλή αποσπάσματα
Σελίδα 91 - The product is a2+2a6-}-62; from which it appears, that the square of the sum of two quantities, is equal to the square of the first plus twice the product of the first by the second, plus the square of the second.
Σελίδα 107 - Conversely, the difference of the squares of any two quantities is equal to the product of the sum and the difference of the two quantities.
Σελίδα 89 - It is evident from the Rule of Signs that (1) no even power of any quantity can be negative; (2) any odd power of a quantity will have the same sign as the quantity itself. NOTE. It is especially worthy of notice that the square of every expression, whether positive or negative, is positive.
Σελίδα 54 - Transpose all the terms containing the unknown quantity to one side of the equation, and the "known quantities to the other.