## A collection of examples in pure and mixed mathematics, with hints and answers, by A. Wrigley and W.H. Johnstone |

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A Collection of Examples in Pure and Mixed Mathematics, with Hints and ... Alfred Wrigley Ingen forhåndsvisning tilgjengelig - 2013 |

### Vanlige uttrykk og setninger

acting amount arithmetic axes axis balls base beam body Cape cent centre of gravity chord circle coefficient common cone contained curve described determine diameter difference direction distance Divide drawn elasticity ellipse equal equation Euclid expansion express Extract extremity fall feet Find the value fixed forces fraction geometrical given point greater greatest half horizontal horizontal plane impact inches inclined infinity inscribed interest intersect joining length less locus means measure meet miles moving Multiply opposite parabola parallel passing perpendicular placed plane position pound progression projected proportional prove pulley radius ratio Reduce Resolve respectively rest right angles segments sides Simplify square square root straight line string supported surface taken tangent touch triangle velocity vertex vertical weight whole yards

### Populære avsnitt

Side 69 - AB be the given straight line ; it is required to divide it into two parts, so that the rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part.

Side 44 - A vintner draws a certain quantity of wine out of a full vessel that holds 256 gallons ; and then filling the vessel with water, draws off the same quantity of liquor as before, and so on for four draughts, when there were only 81 gallons of pure wine left.

Side 45 - A detachment of soldiers from a regiment being ordered to march on a particular service, each company furnished 4 times as many men as there were companies in the regiment ; but these being found insufficient, each company furnished three more men, when their number was found to be increased in the proportion of 17 to 16.

Side 67 - IF from any point without a circle two straight lines be drawn, one of which cuts the circle, and the other touches it ; the rectangle contained by the whole line which cuts the circle, and the part of it without the circle,. shall be equal to the square of the line which touches it.

Side 93 - Wanting to know my distance from an inaccessible object 0, on the other side of a river; and having no instrument for taking angles, but only a chain or cord for measuring distances; from each of two stations, A and B, which were taken at 500 yards asunder, I measured in a direct line from the object 0 100 yards, viz. AC and BD each equal to...

Side 48 - A and B set out to meet each other. A went 3 miles the first day, 5 the second, 7 the third, and so on. B went 4 miles the first day, 6 the second, 8 the third, and so on. In how many days did they meet?

Side 89 - The area of a regular polygon inscribed in a circle is a geometric mean between the areas of an inscribed and a circumscribed regular polygon of half the number of sides.

Side 49 - Required the number. 9. A person employed 3 workmen, whose daily wages were in arithmetical progression. The number of days they worked was equal to the number of shillings that the second received per day. The whole amount of their wages was 7 guineas, and the best workman received 28 shillings more than the worst.

Side 44 - A detachment of an army was marching in regular column, with 5 men more in depth than in front ; but upon the enemy coming in sight, the front was increased by 845 men ; and by this movement the detachment was drawn up in 5 lines. Required the number of men.

Side 98 - If from one of the angles of a rectangle a perpendicular be drawn to its diagonal, and from, the point of their intersection lines be drawn perpendicular to the sides which contain the opposite angle...