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

Tutors Answer Your Questions about Inequalities (FREE)

Question 372442: Give the results in inequality form, in interval form and in geometric form for...
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Question 372459: How would you solve the following inequality problem?
3(x+6)-4>2(x+4)
Click here to see answer by mananth(12270)

Question 372727: i have no idea how to do this problem: on her last two math tests has scores of 83 and 92 asumming she can not score any higher then 100. determine all possible scores lisa can score to have an average of 90 on all three tests. represent your answers algabraically and graphically
Click here to see answer by Fombitz(13828)

Question 372871: Please help me solve this equation: -6(4r+7)-7r<51
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Question 372871: Please help me solve this equation: -6(4r+7)-7r<51
Click here to see answer by rfer(12660)

Question 372953: I asked a question ten minutes ago and have since found the answer on this site. I cannot find anywhere on this site to delete my question. I hope I didn't waste a tutor's time. Thank you
Click here to see answer by jim_thompson5910(28595)

Question 373320: How would we solve : negative X over 3, less than or equal -1?
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Question 373558: Please solve by completing the square
x^2 + 15x = -56
Click here to see answer by mananth(12270)

Question 373555: Please solve by completing the square
x^2 -6x = 27
Click here to see answer by mananth(12270)

Question 374026: You are in charge of a banquet for your family reunion. The cost is $5.50 per children plate and $12.00 per adult plate. The total number of people is 546. The total bill for the food is $5115.50. Using a for adult plate and c for child plate, write an equation to represent the number of adults and children present.
Click here to see answer by checkley79(3050)

Question 374101: 1/2n+6.2>13n+7
Click here to see answer by Fombitz(13828)

Question 374293: What are some good examples of solving inequalities ? Thanks !
Click here to see answer by mananth(12270)

Question 374615: five times a number decreased by eight is at most ten more than twice the number.
Click here to see answer by mananth(12270)

Question 374759: Hi I'm doing a test revision on some problems I got wrong on an assessment 3 weeks ago. This is one of the four problems I got wrong:
4z-2(z+5)<=8z
(<= stands for less than or equal to)
Thanks for taking the time to help me!
Click here to see answer by Fombitz(13828)

Question 374763: Hello! I need help on this other problem for a test revision:
5-2x<3x-2
Can you help me find the solution to the inequality?
Also, thanks for all the previous help in the past from algebra.com!
Click here to see answer by jim_thompson5910(28595)

Question 375114: how do I solve 2x+9>6x+11
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Question 375112: how do I solve 8-6x<8x-4x
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Question 375406: 1/4 (x-9) < 1/15 (4x-1)
Type an Inequality {x }
Click here to see answer by Fombitz(13828)

Question 375571: which of the following expressions is equivalent to 20 - 4/5 x > (the > has a line under it) 16?
i tried 20/1 - 4/5 and got 16/5
then i think converted down it would be 5
so would it be x > 5 (> having a line under it)?
i am probably wrong but i tried.. algebra is not my strong point at all...
Click here to see answer by jim_thompson5910(28595)

Question 375642: 10x - 50 < 100x - 80
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Question 375675: 1/3x-2<=2/3x-6
I know the answer is x>=12 and after trying over and over i dont know the steps that were taken to get that answer
Click here to see answer by jim_thompson5910(28595)

Question 375697: Systolic blood pressure, the upper number in a blood pressure reading, is measured as your heart muscle contracts. The equation:
P ≤ 1/2(a) + 110
gives the normal systolic blood pressure P based on age a.

Click here to see answer by robertb(4012)

Question 375696: When you exercise, your pulse rate rises. Recommended pulse rates vary with age and physical condition. For vigorous exercise, such as jogging, the inequality:
0.7(220 – a) ≤ R ≤ 0.85(220 – a)

Click here to see answer by Fombitz(13828)

Question 375762: -15
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Question 375932: 6p<-48
x/-6<-15
Click here to see answer by mananth(12270)

Question 375968: 3(4m-2)is greater than or equal to 6(2-1)
Click here to see answer by rfer(12660)

Question 376077: Pls help! If you can answer either one of them, I am so appreciated.
1.(x-2)(x+3)^2 / x^4-13x^2+36.
2. If polynomial p(x)=2x^3 -3x^2-10 has exactly one real zero r, -1<=r<=1, which following is true: A. -1<0 B. 0<1 or C.other answer?
3. what is a portion of graph of y= y|-|-x|| ? graph it.
4. what's X if 3x^2-2+7=0 then (x- 1/3)^2= ?
5. If y=b^x and b>1, which one is true: A log y b=x. B. log b x=y. C. other answer.
6. The radian measure of angle containing x degree is: A.Pi x/180 B. Pi x/ 180. C. other answer
7.If f(x)= x^2, when x>0 and c>1, then f(x^c)= ?
8 2log10x-log10y=?
9.for X# 0, if f(x)3x^2 and g(x)=1/2, then f(g(x))= ?
10 3+i/2-i = ?
11. If cotx^0=1, then x=?
12. Y=x+1 and x.y=2 so what x?
14. If f(x)=3-2x and f^-1 denotes the inverse of f, then f^-1(o) is ?
15. What is the solution set of 2sin^2(x)-3sin(x)-2=0 where 0<=x<=2pi
Click here to see answer by Fombitz(13828)

Question 376271: Anita works as a part-time waitress. She earns $6.95 per hour. For the week, she makes $42.90 in tips. How many hours does she need to work to earn more than $168 for the week?

Click here to see answer by rfer(12660)

Question 376314: Hello, Could you please help me with graphing the following equations? I need examples to study from as I am totally lost on how to graph. Thank you so much !

Graph the following equations
1.) x > 0
2.) x less then or equal to -5
3.) -2x + 3 less then or equal to 9
4.) -3(x - 4)> 4(x + 3)
Click here to see answer by jim_thompson5910(28595)

Question 376358: Can you help me with this problem. Also can you shoow me how to get the answer,
5(t+3)+9 is greater than or equal to 3(t-2)-10. Thank you for your help.

Click here to see answer by rfer(12660)

Question 376365: Solve the inequality for u:
6u - 4_> 1/3u + 6
Simplify your answer as much as possible.
Click here to see answer by jim_thompson5910(28595)

Question 376407: Graph −10 and −8 on a number line. Then tell which number is greater.
Click here to see answer by Fombitz(13828)

Question 376537: Which of the following is the correct solution to the inequality below.
-3n < -15

Click here to see answer by ewatrrr(10682)

Question 376635: 2y-1<5y-3 Need help solving
Click here to see answer by jim_thompson5910(28595)

Question 376711: How do you know if a value is a solution for an inequality?

Click here to see answer by solver91311(16885)

Question 376732: Solve the inequality and represent your answer in set builder notation. Be sure to show all of your work.
-3z – 7 > -4z + 1

Click here to see answer by jim_thompson5910(28595)

Question 376586: n-1/10=10
Click here to see answer by Fombitz(13828)

Question 377122: write the verbal sentences as an inequality.
a number divided by 2 is at most 10

Click here to see answer by Edwin McCravy(8909)

Question 377408: how do you solve
4x(x+8)=3x=24
Click here to see answer by Fombitz(13828)

Question 377437: A cell phone company has offered you two different rates. The first rate is $35 per month and 5 cents per phone call (time does not matter). The second offer is $55 per month and 2 cents per call. Set up the inequality to model this problem and find where it is less expensive to go with the second plan.
Click here to see answer by mananth(12270)

Question 377509: i need help solving ? 7/5x+3/5=-2x
Click here to see answer by Fombitz(13828)

Question 377703: m-7>-8
-
The underscroll if for the sign showing greater than or equal to.
Click here to see answer by ewatrrr(10682)

Question 300045: pre-algebra Solve the inequality for x 3x+4<-11
Click here to see answer by robertb(4012)

Question 377838: what is the answer to 13-6y=25
Click here to see answer by sophxmai(60)

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