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

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

 Question 316677: 12<1-x=<15 i come up with an answer of -11 and -14 however my book says this is wrong, only the negative -14 is correct Click here to see answer by stanbon(57337)
 Question 316677: 12<1-x=<15 i come up with an answer of -11 and -14 however my book says this is wrong, only the negative -14 is correct Click here to see answer by solver91311(16877)
 Question 316677: 12<1-x=<15 i come up with an answer of -11 and -14 however my book says this is wrong, only the negative -14 is correct Click here to see answer by nyc_function(2733)

 Question 316645: Why does the inequality sign change when both sides are multiplied or divided by a negative number, and does this always happen with equations. Can you give me an example to go by? Click here to see answer by stanbon(57337)

 Question 316723: How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? Click here to see answer by stanbon(57337)

 Question 316761: At a 15% discount rate, Jack's discount was more than \$21 on the jacket he purchased. Write an inequality to describe this situation using p for the original price of the jacket. Click here to see answer by Theo(3461)

 Question 316816: Solve 2z/3 - 3 z/4 + 4z/5 - 5z-6 <7 Click here to see answer by Fombitz(13828)

 Question 316954: Solve the inequality for y. 16 less than or equal to y + 5 Click here to see answer by JBarnum(2044)

 Question 317004: a mixture of alcohol and water contains a total of 36 oz of liquid. there are 9 oz of pure alcohol in the mixture. what percent of mixture is water? what percent is alcohol? Click here to see answer by mananth(12270)

 Question 317032: Add and simplify if possible. 6x / x^2 - 4 + x / x - 2 Click here to see answer by JBarnum(2044)

 Question 317359: How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation and put an inequality sign in its place, is there ever a time when the same value will be a solution to both the equation and inequality? Click here to see answer by Edwin McCravy(8908)

 Question 317356: How do you know if a value is a solution for an inequality? Click here to see answer by nyc_function(2733)

 Question 317357: How is this different from determining if a value is a solution to an equation? Click here to see answer by nyc_function(2733)

 Question 317381: use the properties of inequalities to solve the following inequality. write the solution set using set-builder notation. 9(x-8)>or=to -9x-7. thank you Click here to see answer by jim_thompson5910(28593)

 Question 317322: The clock in the bell tower at Webster College chimes every hour on the hour: once at 1 o’clock, twice at 2 o’clock, and so on. The clock takes 5 seconds to chime at 4 o’clock and 15 seconds to chime at 10 o’clock. The time needed to chime 1 o’clock is negligible. What is the total number of seconds needed for the clock to do all of its chiming in a 24-hour period starting at 1 P.M.? Click here to see answer by Theo(3461)

 Question 317415: Which of the following CANNOT be a solution to 3x = 6 ≤ - 4x -2? A: -8 B: -3 C: -8/14 D: -8/7 E: -1 Click here to see answer by Fombitz(13828)

 Question 317221: Divide and Simplify. 3x - 18/10 / x-6/35x Click here to see answer by Fombitz(13828)

 Question 317463: 1/3 x - 2(is less than or equal to) 2/3x - 6 Click here to see answer by JBarnum(2044)

 Question 317465: 21p + 5 > 10x + 7 solve variable for p Click here to see answer by JBarnum(2044)

 Question 317711: Okay, let's say that we start with 3x - 6 > 12. We simplify it to the solution set: {x| x > 6}. Here's my question, is 8 a solution? If yes, why? Shouldn't 6 be the solution? If no, why? Click here to see answer by Earlsdon(6287)

 Question 317771: problem:-2/3z+9 > and = 2/3z+1 I subtracted 2/3z from right side ande added it to the left side. I subtracted 9 from left and added to right. I ended up with -4/3z >and = -8. I dont think that is right. Click here to see answer by jim_thompson5910(28593)

 Question 317710: 1- x_ <5 (how do i type it as a fraction?) ( x over 2) 2 Click here to see answer by Fombitz(13828)

 Question 317894: I put the wrong equation on here! I need to check my answer of x^2 + x is less than or equal to 0. sorry and thanks so much! I got 0 thanks cz Click here to see answer by stanbon(57337)

 Question 317985: I have to solve this inequality, but I do not remember how. -5 < 3 – 4x ≤ 7 Click here to see answer by Alan3354(30993)