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# Recent problems solved by 'bebedeeb'

bebedeeb answered: 7 problems
 Quadratic_Equations/142718: Im having some trouble with this one. I know how to put the problem in the right order but the y/2 has me confused. So I would appreciate help solving this one. Here it is: y^2+y/2=-3/2 The only thing I was sure about was putting it into the correct form: y^2+y/2+3/21 solutions Answer 103855 by bebedeeb(7)   on 2008-05-22 22:31:30 (Show Source): You can put this solution on YOUR website!I read it like this: Now get rid of the fractions by multiplying the whloe equation by 2 So you get Now solve using the quadratic equation a=2 b=1 c=3 plug them in: Multiply, I usually work out the discriminant seprately so there is no mistakes by rewriting the equation several times. since you cannot reduce this is the final answer.
 Graphs/142719: Miranda's financial aid stipulates that her tuition not exceed \$1,000. If her college charges a \$45 registration fee plus \$250 per course, what is the greatest number of courses for which Miranda can register?1 solutions Answer 103853 by bebedeeb(7)   on 2008-05-22 22:08:55 (Show Source): You can put this solution on YOUR website!First, subtract Then, divide Since one cannot take .82 of a course, the answer is 3 courses
 Expressions-with-variables/142677: Please help me Multiply and simplify completely this problem. 5i*5i1 solutions Answer 103837 by bebedeeb(7)   on 2008-05-22 19:51:01 (Show Source): You can put this solution on YOUR website!ok, and so
 Miscellaneous_Word_Problems/142668: The sum of a number and its square is 156. What is the number?1 solutions Answer 103836 by bebedeeb(7)   on 2008-05-22 19:47:40 (Show Source): You can put this solution on YOUR website!to start, let n = the number and, let = its square so put this quadratic equation in to standard form now factor it out so n=12 or n=-13 lets see: CHECK CHECK
 Expressions-with-variables/142678: Please help me Multiply and simplify completely this problem (2-3i)(7+5i)1 solutions Answer 103833 by bebedeeb(7)   on 2008-05-22 19:37:23 (Show Source): You can put this solution on YOUR website!We can FOIL this one. F - O - I - L - Now write out the binomial: remember so Now combind like terms: = 29+31i (remember to keep in a+bi form to be correct)
 Graphs/142672: The Middletown Magic Shop sold two magic top hats today. Then someone returned one of them because the rabbit that came out of it bit him in the middle of his act. At the end of the day, there were 15 magic top hats in the shop. How many top hats were in the shop at the beginning of the day?1 solutions Answer 103831 by bebedeeb(7)   on 2008-05-22 19:28:56 (Show Source): You can put this solution on YOUR website!Lets back in to this one... At the end of the day, there were 15 hats. Earlier 2 had been sold 1 of which was returned. so 15+2-1=16
 Radicals/142543: My math final is tomorrow and I am trying to solve this problem on the study guide. Thank you so much to anyone who can help!!!1 solutions Answer 103829 by bebedeeb(7)   on 2008-05-22 19:23:53 (Show Source): You can put this solution on YOUR website! First divide both sides by 7 so then cube both sides so then take the 5th root from both sides