Elements of algebra1860 |
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Σελίδα 12
... miles a day , whilst B , who sets out four days after him , travels at the rate of thirty , when will B overtake A ? Let x represent the number of days B must travel for this purpose : Then x + 4 is the number of days A has travelled ...
... miles a day , whilst B , who sets out four days after him , travels at the rate of thirty , when will B overtake A ? Let x represent the number of days B must travel for this purpose : Then x + 4 is the number of days A has travelled ...
Σελίδα 14
... EXAMPLES , ARITHMETICAL AND ALGEBRAIC . Ex . 1 . 1. Two trains start at the same time from London and Edinburgh ; the former travels at the rate of 32 miles an hour , the latter at the rate of 23. The distance is 14 PROBLEMS .
... EXAMPLES , ARITHMETICAL AND ALGEBRAIC . Ex . 1 . 1. Two trains start at the same time from London and Edinburgh ; the former travels at the rate of 32 miles an hour , the latter at the rate of 23. The distance is 14 PROBLEMS .
Σελίδα 15
... miles an hour . How many miles has A travelled before B overtakes him ? 3. A's money is 3 times B's , and together they possess £ 100 . What does each possess ? 4. A's age is 5 times B's . Now , A is 44 years older than B. How old is ...
... miles an hour . How many miles has A travelled before B overtakes him ? 3. A's money is 3 times B's , and together they possess £ 100 . What does each possess ? 4. A's age is 5 times B's . Now , A is 44 years older than B. How old is ...
Σελίδα 61
... miles ) at the rate of 2 miles an hour ; and 31 hours afterwards another person starts from Drem for Edinburgh at the rate of 3 miles an hour . Where will they meet ? 24. A's and B's money together make up £ 100 . If A gain from B half ...
... miles ) at the rate of 2 miles an hour ; and 31 hours afterwards another person starts from Drem for Edinburgh at the rate of 3 miles an hour . Where will they meet ? 24. A's and B's money together make up £ 100 . If A gain from B half ...
Σελίδα 105
... mile , or any other quantity ; and consequently , in going over the same process twice , the second unit we adopt may correspond to 10 or 50 , or any other number , of the first . - But this is not all . The symbols above are not ...
... mile , or any other quantity ; and consequently , in going over the same process twice , the second unit we adopt may correspond to 10 or 50 , or any other number , of the first . - But this is not all . The symbols above are not ...
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A's money a+b+c a²b² a²x a²x² algebraic arithmetic series arithmetical progression ax² bushel coefficient common difference contain cube root decimal denominator distance divided division divisor equal example expression factor Find the least Find the sum Find the value fraction gallons geometric geometric series geometrical progression greatest common measure hence increased infinity least common multiple least number less miles an hour Multiply Newmarket number of terms numerical quantity obtain operations person problem PROP quadratic QUADRATIC EQUATIONS question quotient remainder represent Required the number result second equation sheep shew side solution solved square root subtract suppose surd symbol third three times B's tion travelled unknown quantity whole number x³y xy³ yards دو وو
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Σελίδα 175 - To divide a given straight line into two parts, so that the rectangle contained by the -whole, and one of the parts, may be equal to the square of the other part.
Σελίδα 5 - AN INTRODUCTION TO CLINICAL MEDICINE. Six Lectures on the Method of Examining Patients, and the Means Necessary for Arriving at an Exact Diagnosis. Third Edition, with numerous illustrations. 12mo. 5s. By the same Author, CLINICAL LECTURES ON THE THEORY AND PRACTICE OF MEDICINE.
Σελίδα 231 - But wheat rising 2s. per bushel, and work being scarce, the family find the sum saved would not buy as much wheat as their former savings by two bushels ; when it appears that at this rate the sum annually saved would be less by five guineas than by the former. Now the two youngest dying it is found that if the remaining members of the family saved each one shilling less than the oldest child had done before the rise of wheat, their monthly account with the bank would not be affected by the deaths...
Σελίδα 232 - But in 30 days the scurvy made its appearance, and carried off three men every day, and at the same time a storm arose, which protracted the voyage three weeks. They were however just enabled to arrive in port, without any diminution in each man's daily allowance of water. Required the time of the passage, and the number of men alive when the vessel reached harbour.
Σελίδα 4 - A Manual of Botany : being an Introduction to the Study of the Structure, Physiology, and Classification of Plants.
Σελίδα 4 - PRACTICAL HISTOLOGY: By WILLIAM RUTHERFORD, MD, Professor of the Institutes of Medicine in the University of Edinburgh. Second Edition, with. 63 Engravings. Crown 8vo (with additional leaves for notes), 6s.
Σελίδα 219 - ... pounds per chain, as there were chains in the street leading to A. The sewer however being insufficient to carry off the water, an additional drain was made from a point in this street, distant 4 chains from the bridge A, which entered the river at the same point with the sewer, and was equally inclined to the river and sewer. Now it was found that a drain down the middle of each street, at the rate of £9 per chain would have cost only £54 more than the expense of the sewer. Required the lengths...
Σελίδα 213 - ... way that he bought it, he privately clips off one twenty-fifth part, He may now legally sell it as a light guinea, and he finds that in consequence of the rise of pure gold in the ratio of 239 : 249 he just gains the clippings by his purchase. It is required to find the ratio of pure gold and alloy in the guinea, and also the relative value of equal quantities of pure gold and. alloy, it being known that the sum of the squares of the numbers •which express the two ratios, exceeds eleven times...