Ray's Algebra, Part First: On the Analytic and Inductive Methods of Instruction, with Numerous Practical Exercises, Designed for Common Schools and Academies, Μέρος 1Sargent, Wilson & Hinkle, 1848 - 240 σελίδες |
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Σελίδα 124
... many days was he idle ? Let x = the number of days he worked . Then 30 - x- the number of days he was idle . Also 25x = wages due for work . And 20 ( 30 — x ) = the amount to be deducted for boarding . Therefore , 25x - 20 ( 30 - x ) ...
... many days was he idle ? Let x = the number of days he worked . Then 30 - x- the number of days he was idle . Also 25x = wages due for work . And 20 ( 30 — x ) = the amount to be deducted for boarding . Therefore , 25x - 20 ( 30 - x ) ...
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Ray's Algebra, Part First: On the Analytic and Inductive Methods of ... Joseph Ray Πλήρης προβολή - 1848 |
Συχνά εμφανιζόμενοι όροι και φράσεις
added algebraic expression algebraic quantity apples arithmetical progression arithmetical series binomial bought bushels called cents a piece coefficient common difference complete equation Completing the square cost denotes Divide the number dividend division dollars entire quantity equal exactly divide exponent extract the square find the greatest Find the product Find the square Find the sum find the value geometrical progression geometrical series Give an example greater greatest common divisor Hence James last term least common multiple lemon letter manner minus monomial negative quantities number of terms oranges peaches perfect square polynomial positive quantity pound of coffee preceding prime factors principle proportion pupil quan question quotient ratio Reduce remainder represent the number required the numbers required to find result rule second degree solution square root subtracted theorem three numbers tion tities transposing trinomial twice units unknown quantity whole number
Δημοφιλή αποσπάσματα
Σελίδα 102 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 102 - An examination of each of these examples, will show that the process consists in reducing the quantities to a common denominator, and then dividing the numerator of the dividend, by the numerator of the divisor. But, as the common denominator...
Σελίδα 145 - How much has each ? Ans. A $980, B $1540, and C $2380. 1 1. A certain number is expressed by three figures, and the sum of the figures is 1 1 ; the figure in the place of units, is double that in the place of hundreds ; and if 297 be added to the number, its figures will be inverted ; required the number. Ans. 326.
Σελίδα 27 - Va denotes the cube root of a. v'a, denotes the fourth root of a. The number placed over the radical sign is called the index of the root. Thus, 2 is the index of the square root,• 3 of the cube root, 4 of the fourth root, &c.
Σελίδα 122 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 60 - The square of the sum of two quantities is equal to the square of the first, plus twice the product of the first and second, plus the square of the second.
Σελίδα 24 - ... the head and tail together ; what is the length of the fish ? 3. The head of a fish is 12 inches long, the tail is as long as the head + £ of the body, and the body is as long as the head and tail ; what is the length of the fish ? 4.
Σελίδα 223 - Multiply the last term by the ratio, from the product subtract the first term, and divide the remainder by the ratio, less 1 ; the quotient will be the sum of the series required.
Σελίδα 181 - Multiply the divisor thus increased, by the second term of the root, and subtract the product from the remainder.