 | John Radford Young - 1851 - 266 pages
...^+5=20. о 2 .-. multiplying by 2, 5л4- 10=40 .-. 5ж=30. Hence the sum he began with was 30s. (11) It is required to find a number such that if it be increased by 7, the square root of the sum may be equal to the square root of the number itself and one more. Let x be the number : then by the... | |
 | John Bonnycastle - Algebra - 1851 - 288 pages
...value of y may be found, even in integers, so as to render the formula ay* -f- b — z%. EXAMPLES. 1. It is required to find a number, such that if it be multiplied by 5 and then added to 19, the result shall be a square. Let x = the required number: then,... | |
 | William Smyth - Algebra - 1851 - 272 pages
...10 be added to it, f of the sum will be 25. , 4 X 25 — 3 X 10 ANS. x = — — - 5 - - - . o ~ 5. It is required to find a number such, that if it be diminished by 7 and 12 be added to § of the remainder, the sum will be 70. XL VIII. If the preceding... | |
 | William Somerville Orr - Science - 1854 - 534 pages
...— 4, .'. 1y = 1C, .-. у =. 8 Also x = " + l = 3, .-. the fraction is ~. . 3. What number is that, such, that if it be increased by 7, the square root of the turn shall be equal to the square root of the number itself and 1 more ? Let x be the number, then... | |
 | John Radford Young - 1855 - 218 pages
...had he at first ? (4) Find a number such that if it be increased by 11 the square root of the sum may be equal to the square root of the number itself, and 1 more. (5) A labourer is engaged to reap 20 acres, part of which is wheat and part oats, for £6. 8s. ; the... | |
 | Horatio Nelson Robinson - Algebra - 1858 - 372 pages
...sums will be in proportion of 5 i fff1'^ rf<*'4i!^ í*:IÍf " ' '•"•"t 42. It is required ;tb lina a number such, that if it be increased by 7, the square...root of the sum shall be equal to the square root of llie number itself, and 1 more.. JJns. 9. 43. Л sets out from a certain place, and travels at the... | |
 | John Fair Stoddard, William Downs Henkle - Algebra - 1859 - 538 pages
...children were there ? Ans. $8100, and 9 children. 51. What number is (hat which, if it be increa^d by 7, the square root of the sum shall be equal to the square root of the number itselt and 1 more ? Ans. 9. 52. A person wishes to give 3 cents a-piece to some beggars, but finds... | |
 | Horatio Nelson Robinson - 1861 - 372 pages
...to each of them, the sums will be in proportion of 5 to 7? Ans. 16 and 24. 42. It is required to fmd a number such, that if it be increased by 7, the square...square root of the number itself, and 1 more. Ans. 9. 43. A sets out from a certain place, and travels at the rate of 7 miles in 5 hours ; and 8 hours afterward... | |
 | Horatio Nelson Robinson - Algebra - 1863 - 374 pages
...3, and if 4 be added to each of them, the sums will be in proportion of 5 to 7 ? Ans. 16 and 24. 42. It is required to find a number such, that if it be...the square root of the number itself, and 1 more. Am. 9. 43. A sets out from a certain place, and travels at the rate of 7 miles in 5 hours ; and 8 hours... | |
 | John Fair Stoddard, William Downs Henkle - Algebra - 1866 - 546 pages
...same sum. What was the fortune left, and how many children were there ? Ans. $8100, and 9 children. root, of the sum shall be equal to the square root of the number itself and 1 more ? Ans. 9. 52. What must the fortune and number of children be, when, in general, the first receives a dollars,... | |
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Ans. 16 and 24. 42. It is required to find a number such, that if it be increased by 7, the square root of the sum shall be equal to the square root of the number itself, and 1 more. Ans. 9. 
