# Questions on Algebra: Inequalities, trichotomy answered by real tutors!

Algebra ->  Algebra  -> Inequalities -> Questions on Algebra: Inequalities, trichotomy answered by real tutors!      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Algebra: Inequalities, trichotomy Solvers Lessons Answers archive Quiz In Depth

 Question 174571: x^2 + y^2 <= 1 (x-1)^2 + y^2 <= 1 Is it possible to find x and y? Click here to see answer by ankor@dixie-net.com(15652)
 Question 174571: x^2 + y^2 <= 1 (x-1)^2 + y^2 <= 1 Is it possible to find x and y? Click here to see answer by Fombitz(13828)

 Question 174653: Jerry's grandmother gave him a \$125 gift card to Tower Records for his birthday. This week Tower Records is having a sale on current release cd's for \$12. The Regular cost of CD'S is \$15. A. If x reresents the number of sale priced CD's and y represents the number of regularly priced CD's, write an inequality that represents the different number of CD's he can purchase with his gift card. B. Find 3 possible an realistic solutions. Support your answers algebraically. Click here to see answer by josmiceli(9680)
 Question 174653: Jerry's grandmother gave him a \$125 gift card to Tower Records for his birthday. This week Tower Records is having a sale on current release cd's for \$12. The Regular cost of CD'S is \$15. A. If x reresents the number of sale priced CD's and y represents the number of regularly priced CD's, write an inequality that represents the different number of CD's he can purchase with his gift card. B. Find 3 possible an realistic solutions. Support your answers algebraically. Click here to see answer by Mathtut(3670)

 Question 173248: Hi, I need help graphing the inequality. I have to do the following: Graph the following system of inequalities, find the corner points, and label on the graph: x+y>=14 2x+y>=20 x+3y>=24 x>=0 y>=0 Thank you in advance for your help. Freedom45 Click here to see answer by nycsub_teacher(90)

 Question 174708: i need help with these to know if they are true and false please explain |x|>x |x|>0 |x+1|>0 - - Click here to see answer by josmiceli(9680)

 Question 174783: 2/3x+8>12 What i did was: 2/3x+8-8>12-8 = 2/3x>4 2/3-2/3x > 4/1*3/2 = x>6 this is my answer that i got. x>6 Click here to see answer by actuary(112)

 Question 175271: hi. i need a answer for a couple inequalities. the directions are, solve each inequality. then graph the solution set. the inequalities are, 3<2x-3<15 and 4<2y-2<10 Click here to see answer by jim_thompson5910(28595)

 Question 175331: I am trying to find the minimum for f(x)=5x^2-20x+3. i think to find the min. you do -b/2a. In which case i did (-)-20/2(5) and got 2. My teacher said that this answer was incorrect. If you could please tell me where i went wrong it would be much appreciated. thanks! Click here to see answer by KnightOwlTutor(293)

 Question 175328: I confused trying to solve 2x^2-5x-3>=0. i think you begin by adding 3 to both sides but then having the exponet is throwing me off. i dont know what to do after that. If you could please explain it would be much appreciated. thanks! Click here to see answer by ptaylor(2048)

 Question 175463: Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton cost \$60 and each tree is \$84, what is the maximum number of trees you can buy with a budget for rock and trees of \$2,500? Write an inequality that illustrates the problem and solver. Express your answer as an inequality and explain how you arrived at your answer. Click here to see answer by Mathtut(3670)
 Question 175463: Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton cost \$60 and each tree is \$84, what is the maximum number of trees you can buy with a budget for rock and trees of \$2,500? Write an inequality that illustrates the problem and solver. Express your answer as an inequality and explain how you arrived at your answer. Click here to see answer by jim_thompson5910(28595)

 Question 175332: I have to solve by graphing. I have attempted this problem but i am not certian that i did it correctly. It is 2x-3y>=-3 and 3y>-2x-6. the point of intersection i came up with was around (-2.5, .5). If this is incorrect could you please explain why and the correct way to do it? thanks! Click here to see answer by ankor@dixie-net.com(15652)

 Question 175469: explain the difference in the meaning of 4a and a to the 4th power.. and explain the difference in the meaning of -4b and b to the -4th power thank you Click here to see answer by Alan3354(30993)

 Question 175550: A number is less than the sum of twice its opposite and five. Click here to see answer by Mathtut(3670)

 Question 175633: I am not understanding exactly how to do this problem. My answer comes up entirely different from the given answer in the book. I need to know the steps in solving this Inequality. Compound Inequality. Give the solution set in both interval and graph form. x+2 > 7 or 1-x > 6 I come up with this solution: x+2 > 7 or 1-x > 6 -2 > -2 or -1 -1 x> 5 or x > 5 The book says the union is ( -infinity,-5) U (5,infinity) I came up with two positives. I can not figure out what am I doing wrong in this Inequality, please help. Your help is gracefully appreciated. Thank you! Lauren Click here to see answer by stanbon(57356)

 Question 175501: A French horn student has a range of no more than 17 notes from the middle C. let x=0 correspond to middle C. Write an absolute value inequality that shows the range of notes the student is able to play. Click here to see answer by gonzo(654)

 Question 175699: How do I find the possible values for s in the inequality 12s-20<50-3s-25? Click here to see answer by jim_thompson5910(28595)

 Question 175711: In woodshop class, you must cut a piece of wood within 3/16 inch of the teacher's specification of 5 1/8 inches. Write an absolute value inequality that describes the acceptable lengths for this piece of wood. Solve the inequality. Click here to see answer by stanbon(57356)

 Question 175503: A tool and die shop makes a metal pull tab for a pop can. The length of the tab is 1.2 inches. The measurement may have an error of as much as 0.002 inches. Write an absolute value inequality that shows the range of the possible lengths of the tabs. Solve the inequality. Click here to see answer by stanbon(57356)

 Question 175504: The highest elevation in North America is 20,320 feet above sea level at mount McKinley. The lowest elevation is 282 feet below sea level in Death valley. Find an absolute value equation that has the highest and lowest elevations in North America as its solution. Click here to see answer by Edwin McCravy(8909)

 Question 175708: The attendence at home basketball games has ranged between 820 and 1540 spectators. Write an absolute value inequality descibing the possible attendance at home basketball games. Click here to see answer by stanbon(57356)

 Question 175843: I am so confused. I have no clue what to o on this specific problem. If you could please help me out and explain the actual process of doing it I would so gladly appreciate it! The problem is 8(1-2z) < 25+z Click here to see answer by nerdybill(6959)

 Question 175502: the average price of a particular brand of shampoo is \$3.26. Depending on where you shop, the price may vary by as much as \$0.25. Write an absolute value inequality describing the possible prices of the shampoo. Solve the inequality. Click here to see answer by stanbon(57356)

 Question 175984: hi could u help me with this problem please...im searching for x 3x-10< 9 Click here to see answer by Mathtut(3670)
 Question 175984: hi could u help me with this problem please...im searching for x 3x-10< 9 Click here to see answer by tran3209(100)

 Question 176094: I have no idea how to do this problem. The examples I am giving don't make any sense to me. Solve the inequality 3x – 2.5y = 7.125 2.5x - 3y = 7.3125 Click here to see answer by Mathtut(3670)

 Question 176103: How do i solve this problem ? -18 (_<)less then or equal to 3x < 21 Click here to see answer by Alan3354(30993)

 Question 172859: If you replace an equals sign with an inequality sign, is there ever a time when the same value will be a solution to both equation and inequality? Click here to see answer by solver91311(16890)

 Question 176215: Why does the inequality sign change when both sides are multiplied or divided by a negative number? Does this happen with equations? Why or why not? Write an inequality and use both multiplication and addition properties of inequalities. Click here to see answer by solver91311(16890)