Key to Robinsons New University Algebra
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In our eReader you can find the full English version of the book. Read Key to Robinsons New University 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 Robinsons New University Algebra
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To quickly assess the difficulty of the text, read a short excerpt:
6. Let n= the number of days the first person travels, d=lj and l=:l ■^{n — l)d=n.
. «=q(1 + n) = the whole distance.
and 15(w-6)= « " hence, in{l+n) = 15(n-6\ or, n' + w=30n— 180, n'-29n=-180.
First person travels.
n = Y=t-V-= 9 or 20, -6 -6, Second « ** 3 or 14, Ans, Explanation. — Call the first person A, and the second B. Now B overtakes and passes A after A has traveled 9 days and B 3 days. But as A is increasing his rate one mile per day, he finally gains on B, and overtakes and passes hi...m after A has traveled 20 days, and B 14. They are together after having trav- eled 45 and 201 miles.
6. Let x=: one of the equal payments.
At the given rate per cent $60 will amount to $61 at the end of 60 days. As the rate of interest is ^-^^^ of the principal for a day, the firet partial payment will amount to the second to ^+3loo-^» the third to ^+3lJo^, and the last to x.
Hence the sum of the partial payments is, Q0x-\-^j\^{59x-\-58x + 5lz. . . . +x), or by summing the series, 60^ + tVo^' Since the debt is to be canceled, we must have 60a- + T¥o^= 61, T259ar=7320, whence ^=^1t2J7» ^^' (292) ARITHMETICAL PROGRESSION.
What to read after Key to Robinsons New University Algebra?
You can find similar books in the "Read Also" column, or choose other free books by Daniel W Fish to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
6. Let n= the number of days the first person travels, d=lj and l=:l ■^{n — l)d=n.
. «=q(1 + n) = the whole distance.
and 15(w-6)= « " hence, in{l+n) = 15(n-6\ or, n' + w=30n— 180, n'-29n=-180.
First person travels.
n = Y=t-V-= 9 or 20, -6 -6, Second « ** 3 or 14, Ans, Explanation. — Call the first person A, and the second B. Now B overtakes and passes A after A has traveled 9 days and B 3 days. But as A is increasing his rate one mile per day, he finally gains on B, and overtakes and passes hi...m after A has traveled 20 days, and B 14. They are together after having trav- eled 45 and 201 miles.
6. Let x=: one of the equal payments.
At the given rate per cent $60 will amount to $61 at the end of 60 days. As the rate of interest is ^-^^^ of the principal for a day, the firet partial payment will amount to the second to ^+3loo-^» the third to ^+3lJo^, and the last to x.
Hence the sum of the partial payments is, Q0x-\-^j\^{59x-\-58x + 5lz. . . . +x), or by summing the series, 60^ + tVo^' Since the debt is to be canceled, we must have 60a- + T¥o^= 61, T259ar=7320, whence ^=^1t2J7» ^^' (292) ARITHMETICAL PROGRESSION.
What to read after Key to Robinsons New University Algebra?
You can find similar books in the "Read Also" column, or choose other free books by Daniel W Fish to read onlineMoreLess
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