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" What two numbers are those whose sum, multiplied by the greater, is equal to 77 ; and whose difference, multiplied by the less, is equal to 12 ? Ans. "
An Introduction to Algebra, with Notes and Observations: Designed for the ... - Side 135
av John Bonnycastle - 1829 - 312 sider
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Examples in algebra

James Wharton - 1848 - 164 sider
...difference of two numbers is 8, and their product 240; required the numbers. Ans. l 2 and 20. (49.) What two numbers are those, whose sum multiplied by the greater is 204, and whose difference multiplied by the less is 35 ? Ans. 12 and 5. (50.) The difference between...
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Lectures on the Philosophy of Arithmetic and the Adaptation of that Science ...

Uriah Parke - 1849 - 414 sider
...minute sprung up to me and said, "A traveled 72 miles and B 54 miles — did'nt they? Yes." Then said I, What two numbers are those whose sum, multiplied by...difference, multiplied by the less, is equal to 12 ? He again shot out of his chair like an arrow, flew about the room, his eyes wildly rolling in their...
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Lectures on the Philosophy of Arithmetic and the Adaptation of that Science ...

Uriah Parke - 1850 - 402 sider
...minute sprung up to me and said, "A traveled 72 miles and B 54 miles—did'nt they? Yes." Then said I, What two numbers are those whose sum, multiplied by...difference, multiplied by the less, is equal to 12 ? He again shot out of his chair like an arrow, flew about the room, his eyes wildly rolling in their...
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Ray's Algebra Part Second: An Analytical Treatise, Designed for High Schools ...

Joseph Ray - 1852 - 408 sider
...two numbers is 24, and their sum multiplied by their difference is 20; find them. . Ans. 4 and 6. 8. What two numbers are those whose sum multiplied by the greater is 120, and whose difference multiplied by the less is 16? Ans. 2 and 10. 9. What two numbers are those...
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Key to Davies' Bourdon: With Many Additional Examples, Illustrating the ...

Charles Davies - 1856 - 224 sider
...— ± i / = - •+- — • y 4 V a 16 4 ~ 4 ' considering only the positive solution, whence, 9. What two numbers are those whose sum multiplied by...equal to 77 ; and whose difference, multiplied by the lesser, is equal to 12? Let x and y denote the numbers. From the conditions, (x + y) x -.= 77, or ж2...
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New Elementary Algebra: Embracing the First Principles of the Science

Charles Davies - 1859 - 324 sider
...half their product is equal to the cube of the lesser number : what are those numbers ? Ans. 3 and 18. 12. What two numbers are those whose sum, multiplied...difference, multiplied by the less, is equal to 12 ? 13. Divide 100 into two such parts, that the sum of theii square roots may be 14. Ans. 64 and 36....
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New Elementary Algebra: Embracing the First Principles of the Science

Charles Davies - 1860 - 332 sider
...their product is equal to the cube of the lesser number : •what are those numbers ? Ans. 3 and 18. 12. What two numbers are those whose sum, multiplied...multiplied by the less, is equal to 12 ? Ans. 4 and 7, or Jv/2 and y 13. Divide 100 into two such parts, that the sum of their square roots may be 14. Ans....
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Elementary Algebra: Embracing the First Principles of the Science

Charles Davies - 1860 - 328 sider
...their product is equal to the cube ul tin; lesser number. What are thustj numbers Í Ane. 3 and 18. 12. What two numbers are those whose sum, multiplied...equal to 77 ; and whose difference, multiplied by the lesser, is equal to 12? Aiis. 4 and 7, or jj y/5 ar.d '2' y/2. 13. To divide 100 into two such parts,...
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Elements of Algebra: On the Basis of M. Bourdon, Embracing Sturm's and ...

Charles Davies - 1860 - 412 sider
...their product is equal to the cube of the lesser number : what are the numbers 1 Ans. 3 and 18. 9. What two numbers are those whose sum multiplied by...equal to 77 ; and whose difference, multiplied by the lesser, is equal to 121 Ans. 4 and 7, or fy^2" and ^ J~Z. 10. Divide 100 into two such parts, that...
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Elements of algebra

Philip Kelland - 1860 - 308 sider
..._(^+iy=l; which is an impossible solution : hence x = 9, у = 4, is the solution required. Рвов. 2. What two numbers are those whose sum multiplied by the greater is 209, and whose difference multiplied by the less is 24 t Let x, у be the numbers, of which x is the...
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