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

Tutors Answer Your Questions about Inequalities (FREE)

Question 393726: prove that n^n<=(2n)!
Click here to see answer by robertb(4012)

Question 394203: Solve (v+1)^2-72=0 , where v is a real number.
Simplify your answer as much as possible.
If there is more than one solution, separate them with commas.

Click here to see answer by Alan3354(31538)

Question 394400: What is 4(n-2)-6>18

Click here to see answer by jim_thompson5910(28717)

Question 394465: what is the solution of the inequality x^2+4x>12?
Click here to see answer by robertb(4012)

Question 394684: The problem is :
In order to ride the rollercoaster, all passengers must be at least 48 inches tall and weigh a minimum of 80 pounds. Let x represent a passenger's height and y represent a passenger's weight. Write a system of inequalities describing the physical attributes of all eligible passengers.
Thanks for your help with this. I have a difficult time with word problems.

Click here to see answer by richard1234(5390)

Question 394861: 2x+3<3(x-5)
Click here to see answer by rfer(12731)

Question 394893: how do i solve for x when the question is 2(5-3x)<=4? How do i graph it and y is 3 part of the answer
Click here to see answer by mananth(12270)

Question 394932: describe the solution of each of the following inequalities by graphing.
1. x-2y>3
2. x+3y-7<0
3. y<-1/2x-1
4. -1/2x+y-1<0
5. x>-y+2
Click here to see answer by ewatrrr(10682)

Question 395360: A sales person is paid $22,000 a year plus 5% of the amount of sales made. What is the amount of sales needed to have an annual incone greater than $35,000?
Click here to see answer by rfer(12731)

Question 395544: Evaluate:
Click here to see answer by richard1234(5390)

Question 395696: i have to graph an inequality which is y>1, i get confused, can you please help me?
Click here to see answer by stanbon(57984)

Question 395812: -5(x-4)+3x>-16
Click here to see answer by jim_thompson5910(28717)

Question 395954: I am working on inequalities. I need help solving
-9/x >-3
Click here to see answer by rfer(12731)

Question 395954: I am working on inequalities. I need help solving
-9/x >-3
Click here to see answer by stanbon(57984)

Question 396113: can you write an equality to represent : Mario plans to spend no more than $50 for 4 shirts
Click here to see answer by checkley79(3056)

Question 396467: -1+x>2(5+x)-5
Click here to see answer by edjones(7569)

Question 396426: how do you add/subtract inequalities ?

Click here to see answer by richard1234(5390)

Question 396346: Solve |x-9|=24

Click here to see answer by ankor@dixie-net.com(15747)

Question 396496: Please help me solve this and express the answer in interval notation:
[(x-5)(x+6)]/(x-3))> = 0
Click here to see answer by stanbon(57984)

Question 396507: I cannot solve the inequality, can you help me step by step
3x-5<6-2x
Click here to see answer by rfer(12731)

Question 396507: I cannot solve the inequality, can you help me step by step
3x-5<6-2x
Click here to see answer by mananth(12270)

Question 396509: -3x - 2 > x + 10 another iniquality i cannot solve

Click here to see answer by mananth(12270)

Question 396509: -3x - 2 > x + 10 another iniquality i cannot solve

Click here to see answer by rfer(12731)

Question 396803: -6x > -24 and x + 6 > 5 solve the inequality and graph the solution set and write in interval notation.
Please help
Click here to see answer by ewatrrr(10682)

Question 396800: A certain store has a fax machine available for use by its customers. The store charges $2.35 to send the first page and $.50 for each subsequent page. Use an inequality to dind the maximum number of pages that can be faxed for $8.35?
Click here to see answer by stanbon(57984)

Question 396999: Solve the inequality.
x^3+x^2 is less than or equal to 16x+16
Write your answer as an interval or union of intervals.
If there is no real solution, click on "No solution".
Click here to see answer by stanbon(57984)

Question 397082: y>3x,{(1,5),(1,0),(-1,0),(5,1)} determine which ordered pairs are part of the solution set for each inequality.
Click here to see answer by user_dude2008(1861)

Question 397180: -4x+6>3
I need help on this one
Click here to see answer by lwsshak3(6770)

Question 397500: How do I solve this equation: 2/3(12-x)>4
Click here to see answer by solver91311(17077)

Question 397644: How can I write 3x + 5 is less than or equal as word problem?
Click here to see answer by Edwin McCravy(8999)

Question 397668: the formula R= -0.075t+3.85 can be used to predict the world record in the 1500 meter run, t years after 1930. determine an inequality that identifies the years in which the world record will be less than 3.7 minutes.
Click here to see answer by stanbon(57984)

Question 397657: Two points are chosen at random on a line segment whose length is a > 0. Find the probability that the 3 line segments thus formed can be the sides of a triangle.
Click here to see answer by robertb(4012)

Question 397693: 4y+2<8y-(6y-10)
Click here to see answer by Fombitz(13828)

Question 397851: Verify following is an identity.
(1-cos(x))/(1+cos(x))=(csc(x)-cot(x))^2
Click here to see answer by Alan3354(31538)

Question 398196: I need to see the steps that would be used to solve this 3 part inequality:
-x + 35 < 3x + 7 < -4x +133
Thanks!
Click here to see answer by stanbon(57984)

Question 398256: Graph the inequality.
4x+3y>-3
Click here to see answer by mananth(12270)

Question 398646: Solve the inequality and enter answer in interval notation. For example, your answer may look like (-40,inf)
19/(x+2)>=5
Click here to see answer by stanbon(57984)

Question 398704: factor x^3-9x^2-16x+144
Click here to see answer by scott8148(6628)

Question 398686: you divide a number x by -3. Then you subtract 1 from the quotient. the result is at most 5. write and sove an inequality to find all possibe solutions.
Click here to see answer by Earlsdon(6294)

Question 398850: whats y=18x
Click here to see answer by Alan3354(31538)

Question 398816: 2x+3>2

Click here to see answer by checkley79(3056)

Question 398933: how do i solve this inequality 2(x-3)is equal to or less than -2(x-3)
Click here to see answer by lwsshak3(6770)

Question 398940: Rewrite the expression without using the absolute value symbol
|x-2| if x<2
Click here to see answer by lwsshak3(6770)

Question 398940: Rewrite the expression without using the absolute value symbol
|x-2| if x<2
Click here to see answer by Theo(3504)

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