The student's algebra |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 8.
Σελίδα 63
... containing the same number of tons ; from one of them he sells 7 tons , and from the other 14 , and then found that twice as much remained in one as the other . Requir- ed the number of tons in each stack at first . Let x the number of ...
... containing the same number of tons ; from one of them he sells 7 tons , and from the other 14 , and then found that twice as much remained in one as the other . Requir- ed the number of tons in each stack at first . Let x the number of ...
Σελίδα 76
... containing two or more unknown quantities , there must be as many indepen- dent equations as there are unknown quantities , in or- der that the unknown quantities may have determinate values , which may be found by the following rules ...
... containing two or more unknown quantities , there must be as many indepen- dent equations as there are unknown quantities , in or- der that the unknown quantities may have determinate values , which may be found by the following rules ...
Σελίδα 81
... containing two unknown quantities . Multiplying the equation A by 10 , and the equation B by 8 , -90x + 80y = 60 ( 10 times the equation a ) , 120x + 80y = 480 ( 8 times the equation в ) , 210x = 420 , by subtraction ; .. x = 2 ...
... containing two unknown quantities . Multiplying the equation A by 10 , and the equation B by 8 , -90x + 80y = 60 ( 10 times the equation a ) , 120x + 80y = 480 ( 8 times the equation в ) , 210x = 420 , by subtraction ; .. x = 2 ...
Σελίδα 83
... containing four or more equations , with the same number of unknown quantities . EXAMPLES , With their solutions , by the 2nd . Rule . OC y * 1. Given · + · - 8 , 3 4 to find the values of x and y . and 8 2.x 3y + 12 = 7 , Clearing the ...
... containing four or more equations , with the same number of unknown quantities . EXAMPLES , With their solutions , by the 2nd . Rule . OC y * 1. Given · + · - 8 , 3 4 to find the values of x and y . and 8 2.x 3y + 12 = 7 , Clearing the ...
Σελίδα 111
... contain a coefficient , divide the whole equation by that coefficient . 2. Complete the square , by adding the square of 3 K Adfected Quadratic Equations, of one unknown quantity, with their Solutions Adfected Quadratic Equations, of ...
... contain a coefficient , divide the whole equation by that coefficient . 2. Complete the square , by adding the square of 3 K Adfected Quadratic Equations, of one unknown quantity, with their Solutions Adfected Quadratic Equations, of ...
Συχνά εμφανιζόμενοι όροι και φράσεις
5th power added Algebra Algebraist answer the conditions arithmetical progression axiom bushels coefficient completing the square compound quantity cube root denominator difference digits dividend divisor equa EXAMPLES FOR PRACTICE extracting the root extracting the square find the values Find two numbers four numbers four quantities fourth power gained gallons geometrical progression given equation hence least common multiple lues miles multiplying this equation number of yards Pure Quadratics QUADRATIC EQUATIONS quan quantities be proportionals question quired quotient radical sign ratio remainder Required each person's Required the cube Required the length Required the number Required the price Required the sides Required the square second equation second term shillings Simple Equations simple quantity sold solution square root squaring each side substituting this value subtracted surd quantity Theorem third three numbers transposing transposition unknown quantity values of x vulgar fraction whence whole number yards of silk
Δημοφιλή αποσπάσματα
Σελίδα 13 - If four magnitudes are in proportion, the sum of the first and second is to their difference as the sum of the third and fourth is to their difference.
Σελίδα 11 - Ratio is the relation which one quantity bears to another in respect of magnitude, the comparison being made by considering what multiple, part, or parts, one is of the other.
Σελίδα 14 - If any number of quantities are proportional, any antecedent is to its consequent as the sum of all the antecedents is to the sum of all the consequents. Let a : b = c : d = e :f Now ab = ab (1) and by Theorem I.
Σελίδα 79 - Prob. 3. Find two numbers, the greater of which shall be to the less, as their sum to 42 ; and as their difference to 6.
Σελίδα 13 - If the first magnitude be the same multiple of the second that the third is of the fourth, and the fifth the same multiple of the second that the sixth is of the fourth...
Σελίδα 40 - Sib., 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 ? . Aas.
Σελίδα 13 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 13 - Composition, when the sum of the first and second is to the second as the sum of...
Σελίδα 80 - A farmer with 28 bushels of barley at 2s. 4d. per bushel, would mix rye at 3 shillings per bushel, and wheat at 4 shillings per bushel, so that the whole mixture may consist of 100 bushels, and be worth 3s. 4d. per bushel. How many bushels of rye, and how many of wheat must he mix with the barley ? Ans.