 | John Hunter (of Uxbridge.) - 1847 - 266 pages
...frame of uniform width, measuring at the outer edge 44 inches by 20 ; and the area of the frame is equal to that of the glass. Required the width of the frame. Let the rectangle BE represent a quarter of glass and frame, EC measuring 22, and BC 10 inches. Produce... | |
 | John William Colenso - Algebra - 1849 - 262 pages
...each cost as many shillings per yard, as there were yards in its length : find the length of each. 14. The plate of a looking-glass is 18 inches by 12, and it is to be framed with a frame of uniform width, whose area is to be equal to that of the glass : find the width... | |
 | Horatio Nelson Robinson - Algebra - 1850 - 256 pages
...lookingglass is 18 inches by 12, and is to be framed with a frame of equal width, whose area is to be equal to that of the glass. Required the width of the frame. Ans. 3 inches. 15. A square courtyard has a rectangular gravel walk round it. The side of the court wants two yards... | |
 | John Bonnycastle - Algebra - 1851 - 288 pages
...looking-glass is 18 inches by 12, and is to be framed with a frame of equal width, whose area is to be equal to that of the glass. Required the width of the frame. Ans. 3 inches. 21. A set out from C towards D, and travelled 7 miles a day. After he had gone 32 miles, B set out... | |
 | Benjamin Greenleaf - Algebra - 1852 - 348 pages
...12, and is to be framed with a frame all parts of which are of equal width, and whose area is to be equal to that of the glass. Required the width of the frame. Ans. 3 inches. 3. A grazier bought-as many sheep as cost him .£60 ; out of which he reserved 15, and sold the remainder... | |
 | William Smyth - Algebra - 1855 - 370 pages
...looking glass is 18 inches by 12, and is to be framed with a frame of equal width, whose area is to be equal to that of the glass. Required the width of the frame. Ans. 3 inches. 6. A grazier bought as many sheep as cost him £ 60 ; out of which he reserved 15, and sold the remainder... | |
 | Technology - 1856 - 650 pages
...146 — V 10S1Ö or x = 2. The other root is incongruous. Ez. II. The plate of a looking-glass in IS inches by 12, and it is to be surrounded by a plain...that of the glass. Required the width of the frame (JR Young, ¡K p. 150). Let x be the width of the frame, then (12 + x)(I8+ •• , - is x 12 = 18x12... | |
 | Industrial arts - 1856 - 648 pages
...incongruous. Ex. IT. The plate of a looking-glass is 18 inches hy 12, and it is to he surrounded hy a plain frame of uniform width, and of surface equal...that of the glass. Required the width of the frame (JR Young, ihid, p. 150). Let x he the width of the frame, then _18 x 12=18x12 or, xt + 30 x = 216... | |
 | Perry Fairfax Nursey - Industrial arts - 1856 - 640 pages
...whence, by the formula (3), 21 x = 14G - ,/10810 or .r =: 2. The other root is incongruous. Ex. II. The plate of a looking-glass is 18 inches by 12, and it is to be surrounded liy a plain frame of uniform width, and of surface equal to that of the glass. Required the width of... | |
 | Elias Loomis - Algebra - 1856 - 280 pages
...18 inches by 12, and is to be inclosed by a frame of uniform width throughout, whose area is to be equal to that of the glass. Required the width of the frame. Ans. 3 inches. Prob. 18. What two numbers are those whose sum is 19, and whose difference, multiplied by the greater,... | |
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The plate of a looking-glass is 18 inches by 12, and it is to be surrounded by a plain frame of uniform width/ having a surface equal to that of the glass. 
