We strive to deliver the best value to our customers and ensure complete satisfaction for all our textbook rentals.
You can return your online books for any reason within our refund period – no questions asked.
Every order is available for express shipping, and return shipping is always free.
You'll be happy with the quality of your books (or we'll ship you another one on our dime).
You can extend your rental up to 14 days – at the same cheap daily rental rate.
If you decide to keep the book it will never cost more than the purchase price.
As always, you have access to over 5 million titles. Plus, you can choose from 5 rental periods, so you only pay for what you’ll use. And if you ever run into trouble, our top-notch U.S. based Customer Service team is ready to help by email, chat or phone.
Supplemental materials are not guaranteed for used textbooks or rentals (access codes, DVDs, workbooks).
Ray's algebra, part second; an analytical treatise, designed for high schools and colleges
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1857 Excerpt: ... 256 gallons; and then filling the vessel with water, draws off the same number of gallons as before, and so on for four draughts, when there were...
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1857 Excerpt: ... 256 gallons; and then filling the vessel with water, draws off the same number of gallons as before, and so on for four draughts, when there were only 81 gallons of pure wine left. How much wine did he draw each time 1 Ans. 64, 48, 36, and 27 gallons. COMPLETE EQUATIONS OF THE SECOND DEGREE. Art. 230. 1. Let it be required to find the value of x in the equation, x1--6a+9=4. It is evident, from Art. 184, that the first member of this equation is a perfect square. By extracting the square root of both members, we find x--3=2; Whence, a=32=3+2=5, or 3--2=1. Verification. (5)J--6(5)+9=4, that is, 25--30+9=4. (1)--6(l)+9=4, that is, 1--6+9=4. Hence, x has two values, +5, and +1, either of which verifies the equation. 2. Let it be required to find the value of x in the equation, x3--6i=27. If the left member of this equation were a perfect square, we might find the value of x by extracting the square root, as in the preceding example. To ascertain what is necessary to render the first member a perfect square, let us compare it with the square of x--a, which is, x1--2ax+a. We have, x'--6x =27. Prom this we see that 2a corresponds to 6; hence, a corresponds to 3, and a3 to 9. Hence, by adding 9, which is the square of half the coefficient of x, to each member, the equation becomes x3--6 a+9=36. Extracting the square root, 3=6. Whence, x=36=--9, or--3, either of which values of x will verify the equation. Aet. 231. We will now proceed to explain the method of completing the square. Since every complete equation of the second degree (Art. 226) may be reduced to the form, ax1--bx=c; if we divide both sides b c by a, we have x'--x= a a For the sake of simplicity, let-=2, and =q. The equa a Hon then becomes x+2px=q. (1) If-is negati...
Out of Stock
We're fresh out of that one today.
So sorry. Try back another time as our inventory fluctuates daily.
Since launching the first textbook rental site in 2006, BookRenter has never wavered from our mission to make education more affordable for all students. Every day, we focus on delivering students the best prices, the most flexible options, and the best service on earth. On March 13, 2012 BookRenter.com, Inc. formally changed its name to Rafter, Inc. We are still the same company and the same people, only our corporate name has changed.