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

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

 Question 213445: i have to solve the equation or inequality for x in this problem x/7-x/9=2 and i have to solve the inequality and graph the solution set for this problem 4x-5 Click here to see answer by drj(1380)

 Question 213424: solve the following linear inequality. write the solution in interval notation 3x-(4-2x)+2 Click here to see answer by rapaljer(4667)

 Question 213515: Solve the problem by writing a compound inequality. Between 15000yd3 and 16000yd3 of earth must be trucked away from a construction site. The trucks can remove 1000yd3 per day, and 10500yd3 has already been removed. How many days are needed? I think I'm supposed to start this by writing: 10500-(15000 is greater than or equal to 16000)- something but I'm not sure what. I think the next part of the inequality must contain a variable, but I'm stuck as to what to do next. Thanks for your help :) Click here to see answer by scott8148(6628)

 Question 214099: Cindy has scores of 73,83,85,90 on her biology tests. Use a compound inequality to find the range of scores she can make on her final exam to receive a C in the course. The final exam counts as two tests, and a C is received if the final course average is from 70 to 79 Click here to see answer by scott8148(6628)

 Question 214692: Solve the inequality, and express the solutions in terms of intervals whenever possible: 3x - 2 > 18 Click here to see answer by jim_thompson5910(28593)

 Question 214955: In a lottery game the six winning numbers are chosen at random from the set f {1,2,3 ..... 36}. Your entry consists of a similar choice. Find the probability of: (a) a win (i.e. your entry matches the winning numbers) (b) a match four (i.e. exactly four of your entries have been chosen as winning numbers) Click here to see answer by needhelp?22(3)

 Question 215043: What are the steps on solving this problem? -|x+3|<-2 Click here to see answer by Earlsdon(6287)

 Question 215068: how do I solve |x-9|=|x+6|? this is what I did: x-9=x+6 x-9=6 x=15 x-9=x+6 x-9=-x-6 2x=3 x=1 1,15 (not thinking this is correct...) Click here to see answer by checkley77(12569)

 Question 215183: How do i solve -2 is less than or equal to 2x minus 4 less than 4 Click here to see answer by ankor@dixie-net.com(15649)

 Question 215271: I need help showing the work for solving for X. I know that X=5, X=41. Thank you! Click here to see answer by drj(1380)

 Question 215184: 1. Solve | x – 9 | = | x + 6 |. (absolute-value equation and inequalities) Click here to see answer by RAY100(1637)

 Question 215568: The members of a drama club are selling tickets to their next production. If their goal is to raise at least \$140, the number of tickets they must sell at \$3.10 each in order to meet their goalcan be expressed by the inequality 3.10x ≥140. Is 44 a solution of the inequality? Click here to see answer by checkley77(12569)

 Question 215926: i attempted to solve this problem not sure if its right.... -5n - 12 > -6n - 21....here's wat i got so far... -5n - 12 > -6n - 21 +12 +12 -5n>6n-9 +5 +5 11n>-9 11/11 -9/11 n<-9/11---->answer Click here to see answer by rapaljer(4667)

 Question 215997: I have been trying to solve this problem - can you assist me please Identify the solutions set for the following inequality: 13<-2(x-2)+3x = Click here to see answer by rfer(12657)

 Question 216337: Identify the solutions set for the following inequality: 13< - 2(x-2)+3x Thank you for your help Click here to see answer by checkley77(12569)

 Question 217046: Every week in the summer you must do a minimum of 15 hours of community service work. Participation in the fall football team requires at least 14 hours of practice and strength training per week. You have no more than 40 hours per week in total to devote to these activities. Click here to see answer by stanbon(57307)

 Question 217062: What is the y-intercept of the line in the equation y=-2/3x-12. Click here to see answer by nerdybill(6958)