Key to Davies Bourdon With Many Additional Examples Illustrating the Algebra
Key to Davies Bourdon With Many Additional Examples Illustrating the Algebra
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In our eReader you can find the full English version of the book. Read Key to Davies Bourdon With Many Additional Examples Illustrating the Algebra Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Key to Davies Bourdon With Many Additional Examples Illustrating the Algebra
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$40000, rate 5 per cent. 3d. $45000, rate 6 " " 26. A cistern may be filled by three pipes. A, B, C. By the two first it can be filled in 70 minutes ; by the first and third it can be filled in 84 minutes ; and by the second and third in 140 minutes. What time will each pipe take to do it in? What time will be required, if the three pipes run together % Call the contents of the cistern 1.
115. ] EQUATIONS OF THE FIRST DEGREE. 65 Let X denote the quantity discharged in 1 minute by the first ; y ..." * " " " " second; z " " « " " '-' third; then will -, - and - denote the number of minutes required X y z for the pipes, separately, to fill the cistern ; and, 1 x-{-y-\-z' will denote the number of minutes required for all three %c fill it, running together ; from the conditions of the problem, 1 ^ + 3' = 70 • • • (1) -^ = ^ • • • • (^) "+^ = 140- • • • (3); clearing of fractions.
70a? + 70y = 1 • • • • (4) 84a; + 84z = 1 • • • . (5) 140y + 140z = 1 .
• • ' (6); combining (1) and (2), MOy - 8402 = 2 • • • • (7); combining (6) and (7), 1680y = 8, .
What to read after Key to Davies Bourdon With Many Additional Examples Illustrating the Algebra?
You can find similar books in the "Read Also" column, or choose other free books by Charles Davies to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
$40000, rate 5 per cent. 3d. $45000, rate 6 " " 26. A cistern may be filled by three pipes. A, B, C. By the two first it can be filled in 70 minutes ; by the first and third it can be filled in 84 minutes ; and by the second and third in 140 minutes. What time will each pipe take to do it in? What time will be required, if the three pipes run together % Call the contents of the cistern 1.
115. ] EQUATIONS OF THE FIRST DEGREE. 65 Let X denote the quantity discharged in 1 minute by the first ; y ..." * " " " " second; z " " « " " '-' third; then will -, - and - denote the number of minutes required X y z for the pipes, separately, to fill the cistern ; and, 1 x-{-y-\-z' will denote the number of minutes required for all three %c fill it, running together ; from the conditions of the problem, 1 ^ + 3' = 70 • • • (1) -^ = ^ • • • • (^) "+^ = 140- • • • (3); clearing of fractions.
70a? + 70y = 1 • • • • (4) 84a; + 84z = 1 • • • . (5) 140y + 140z = 1 .
• • ' (6); combining (1) and (2), MOy - 8402 = 2 • • • • (7); combining (6) and (7), 1680y = 8, .
What to read after Key to Davies Bourdon With Many Additional Examples Illustrating the Algebra?
You can find similar books in the "Read Also" column, or choose other free books by Charles Davies to read onlineMoreLess
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