An Introduction to Algebra: Upon the Inductive Method of InstructionHilliard, Gray & Company, 1837 - 276 σελίδες |
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Αποτελέσματα 6 - 10 από τα 21.
Σελίδα 37
... unknown quantity , and perform the same operations on it , that it would be necessary to perform on the answer to see if it was right . When this is done the question is in equation . 1. A and B , being at play , severally cut packs of ...
... unknown quantity , and perform the same operations on it , that it would be necessary to perform on the answer to see if it was right . When this is done the question is in equation . 1. A and B , being at play , severally cut packs of ...
Σελίδα 46
... unknown quantities may always be rendered alike in the two equations , by multiplying the first equation by the coefficient which the quantity that you wish to make disappear has in the second equation ; and the second equation by the ...
... unknown quantities may always be rendered alike in the two equations , by multiplying the first equation by the coefficient which the quantity that you wish to make disappear has in the second equation ; and the second equation by the ...
Σελίδα 48
... number A had , the number B had . If B gives A one , their numbers will be If A ... quantity of rye and wheat for £ 6 , the rye at 4s . and the wheat at 5s ... unknown quantities , we may find the value of one of them in one equation ...
... number A had , the number B had . If B gives A one , their numbers will be If A ... quantity of rye and wheat for £ 6 , the rye at 4s . and the wheat at 5s ... unknown quantities , we may find the value of one of them in one equation ...
Σελίδα 49
... unknown quantity , which may be solved the usual way . 4. Divide the first by 3 , 5. Multiply the 4th by 7 , x = 2y + 15 3 7x = 14 y + 105 3 Substitute this value of 7 x in the 3d , 6 . 3y + 30 14 y + 105 = 105 3 7. Multiply by 3 , 8 ...
... unknown quantity , which may be solved the usual way . 4. Divide the first by 3 , 5. Multiply the 4th by 7 , x = 2y + 15 3 7x = 14 y + 105 3 Substitute this value of 7 x in the 3d , 6 . 3y + 30 14 y + 105 = 105 3 7. Multiply by 3 , 8 ...
Σελίδα 108
... unknown quantities . These may now be reduced in the same manner as others ... quantity . 178 x 178 T = 1 . Putting the value of x into the 7th , it ... unknown quan- tities , may be solved . First combine them two by two till one of the ...
... unknown quantities . These may now be reduced in the same manner as others ... quantity . 178 x 178 T = 1 . Putting the value of x into the 7th , it ... unknown quan- tities , may be solved . First combine them two by two till one of the ...
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Άλλες εκδόσεις - Προβολή όλων
An Introduction to Algebra Upon the Inductive Method of Instruction Warren Colburn Πλήρης προβολή - 1826 |
An Introduction to Algebra Upon the Inductive Method of Instruction Warren Colburn Πλήρης προβολή - 1831 |
An Introduction to Algebra upon the Inductive Method of Instruction Warren Colburn Πλήρης προβολή - 1844 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 rods 3d power 3d root 5th power a b c A's share a² b² a² b³ ac² added algebra algebraic quantities apples approximate root Arith arithmetic becomes binomial Binomial Theorem bought breadth bushels coefficient compound interest compound quantities consisting contained decimal difference divide the number dividend division divisor equal equation example exponent expression factor figure formula fourth fraction gallons gives greater Hence length less Let the learner letter logarithm merator miles multiplicand negative quantity number of terms observe pears question quotient remainder required to find rule second power second root second term shillings sold subtracted Suppose third power third root twice unknown quantity whole number yards zero
Δημοφιλή αποσπάσματα
Σελίδα 186 - The 3d power of (2 a — rf)4 is (2a — rf)^«+« = (2a — d)4x3=(2a — d)". That is, any quantity, which is already a power of a compound quantity, may be raised to any power by multiplying its exponent by the exponent of the power to which it is to be raised. 7. Express the 2d power of (3 b — c)4. 8. Express the 3d power of (a — c -J- 2 d)*. 9. Express the 7th power of (2 a* — 4 c3)3.
Σελίδα 2 - DISTRICT OF MASSACHUSETTS, TO WIT: District Clerk's Office. BE IT REMEMBERED, that on the...
Σελίδα 101 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient. Multiply the whole divisor by the first term of the quotient, and subtract the product from the dividend.
Σελίδα 92 - It will be seen by the above section that if both the numerator and denominator be multiplied by the same number, the value of the fraction will not be altered...
Σελίδα 2 - District Clerk's Office. BE IT REMEMBERED, That on the seventh day of May, AD 1828, in the fifty-second year of the Independence of the UNITED STATES OF AMERICA, SG Goodrich, of the said District, has deposited in this office the...
Σελίδα 21 - A cask, which held 146 gallons, was filled with a mixture of brandy, wine, and water. In it there were 15 gallons of wine more than there were of brandy, and as much water as both wine and brandy. What quantity was there of each...
Σελίδα 232 - I, n, d, and. S; any three of which being given, the other two may be found, by combining the two equations. I shall leave the learner to trace these ' himself as occasion may require. Examples in Progression by Difference.
Σελίδα 35 - How many days did he work, and how many days was he idle ? Let x = the number of days he worked.
Σελίδα 229 - Hence, any term may be found by adding the product of the common difference by the number of terms less one, to the first term.
Σελίδα 273 - A gentleman bought a rectangular lot of valuable land, giving 10 dollars for every foot in the perimeter. If the same quantity had been in a square, and he had bought it in the same way, it would have cost him $33 less ; and if he had bought a square piece of the same perimeter he would have had 12^ rods more.