Algebra for the Use of Colleges and Schools: With Numerous ExamplesMacmillan, 1866 - 553 σελίδες |
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Σελίδα 85
... miles an hour , finds that it takes twice as long to come up a river as to go down ; at what rate does the river flow ? 20. Of a certain dynasty one - third of the kings were of the same name , one - fourth of another , one - eighth of ...
... miles an hour , finds that it takes twice as long to come up a river as to go down ; at what rate does the river flow ? 20. Of a certain dynasty one - third of the kings were of the same name , one - fourth of another , one - eighth of ...
Σελίδα 87
... miles an hour , so as to return home in time , walking back at the rate of c miles an hour ? 37. A certain article of consumption is subject to a duty of 6 shillings per cwt .; in consequence of a reduction in the duty the consumption ...
... miles an hour , so as to return home in time , walking back at the rate of c miles an hour ? 37. A certain article of consumption is subject to a duty of 6 shillings per cwt .; in consequence of a reduction in the duty the consumption ...
Σελίδα 102
... miles further on , the train would have arrived 1 hour 20 minutes sooner . Required the length of the line . 15. Two plugs are opened in the bottom of a cistern con- taining 192 gallons of water ; after three hours one of them becomes ...
... miles further on , the train would have arrived 1 hour 20 minutes sooner . Required the length of the line . 15. Two plugs are opened in the bottom of a cistern con- taining 192 gallons of water ; after three hours one of them becomes ...
Σελίδα 103
... mile and back again need- lessly , during which he walks at twice his former pace , and reaches the top six minutes before B. C starts twenty minutes after A and B and walking at the rate of two and one - seventh miles per hour ...
... mile and back again need- lessly , during which he walks at twice his former pace , and reaches the top six minutes before B. C starts twenty minutes after A and B and walking at the rate of two and one - seventh miles per hour ...
Σελίδα 104
... miles per hour , and that of the man 5 miles per hour . 27. Two persons A and B could finish a work in m days ; they worked together n days when A was called off and B finished it in p days . In what time could each do it ? 28. A ...
... miles per hour , and that of the man 5 miles per hour . 27. Two persons A and B could finish a work in m days ; they worked together n days when A was called off and B finished it in p days . In what time could each do it ? 28. A ...
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Άλλες εκδόσεις - Προβολή όλων
Algebra for the Use of Colleges and Schools: With Numerous Examples Isaac Todhunter Πλήρης προβολή - 1866 |
Συχνά εμφανιζόμενοι όροι και φράσεις
a+b+c arithmetical arithmetical mean ax² Binomial Theorem black balls chance coefficient common measure contains continued fraction convergent cube root digits divided divisible divisor equal event example expansion Extract the square factors find the number given equations greater than unity harmonical mean Hence least common multiple less than unity letters logarithm meaning Multiply negative quantity number of combinations number of terms numerator and denominator obtain occur P₁ positive integers positive quantity preceding article prime number probability problem prove quadratic equation quotient radix ratio remainder respectively result scale shew shewn shillings Similarly solution square root student subtraction suppose supposition surd third unknown quantities white balls whole number zero
Δημοφιλή αποσπάσματα
Σελίδα 551 - Prelector of St. John's College, Cambridge. AN ELEMENTARY TREATISE ON MECHANICS. For the Use of the Junior Classes at the University and the Higher Classes in Schools.
Σελίδα 57 - If the numerator and denominator of a fraction be multiplied by the same number, the value of the fraction is not altered.
Σελίδα 552 - HODGSON -MYTHOLOGY FOR LATIN VERSIFICATION. A brief Sketch of the Fables of the Ancients, prepared to be rendered into Latin Verse for Schools.
Σελίδα 552 - THE BIBLE IN THE CHURCH. A Popular Account of the Collection and Reception of the Holy Scriptures in the Christian Churches. New Edition.
Σελίδα 132 - Divide this quantity, omitting the last figure, by twice the part of the root already found, and annex the result to the root and also to the divisor, then multiply the divisor as it now stands by the part of the root last obtained for the subtrahend.
Σελίδα 551 - DREW.— A Geometrical Treatise on Conic Sections, with Copious Examples from the Cambridge Senate House Papers. By WH DREW, MA of St. John's College, Cambridge, Second Master of Blackheath Proprietary School. Crown 8vo. cloth, 4«.
Σελίδα 281 - The general formula for the number of combinations of n things taken r at a time is C(n,r) = r\(nr)\ We have to find the number of combinations of 12 things taken 9 at a time.
Σελίδα 17 - The product of the sum and difference of two numbers is equal to the difference of their squares.
Σελίδα 83 - A ship sails with a supply of biscuit for 60 days, at a daily allowance of a pound a head ; after being at sea 20 days she encounters a storm in which 5 men are washed overboard, and damage sustained that will cause a delay of 24 days, and it is found that each man's allowance must be reduced to five-sevenths of a pound.
Σελίδα 393 - The same method may be applied to find the sum of the cubes of the first n natural numbers, or the sum of their fourth powers, and so on.