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

Tutors Answer Your Questions about Inequalities (FREE)

Question 169341: "Find all real solutions to each equation or inequality. For the
inequalities, also sketch the graph of the solution set.
1/x - 1/(x-1)= -1/6 Thank you."
Click here to see answer by nerdybill(7384)

Question 169340: Find all real solutions to each equation or inequality. For the
inequalities, also sketch the graph of the solution set.
8x^3 -27=0
Click here to see answer by gonzo(654)

Question 169415: explain how to solve this for my test!!!
2- 2/3x > 6
Click here to see answer by Mathtut(3670)

Question 169693: 5x - 10 > 2x + 4
I have tried to solve this but am off somehow, please help, thank you.
Click here to see answer by scott8148(6628)

Question 169788: -2 < a + 3 < 8 and graph its solution.
Click here to see answer by jim_thompson5910(35256)

Question 169768: Graph the linear inequality 2y>3x
Click here to see answer by stanbon(75887)

Question 169961: solve the inequality
3x/7x-2>x/x+1
My answer is (-infinity,-1)u (2/7, infinity)
Click here to see answer by stanbon(75887)

Question 170214: The length of a rectangle is three times its width. If the perimeter is at most 112 centimeters, what is the greatest possible value for the width? Write an inequality to model the problem.

Click here to see answer by nerdybill(7384)

Question 170355: Solve for x. Collect xs on the LEFT side. The solution should be presented with x first, the correct inequality symbol, then the number.
11x + 3 � 13x � 7 < 2(5 + 4x)

Click here to see answer by Mathtut(3670)

Question 170354: Solve for x. Collect xs on the LEFT side. The solution should be presented with x first, the correct inequality symbol, then the number.
2(x + 3) > 20

Click here to see answer by Mathtut(3670)

Question 170353: Algebraically find the x and y intercepts of the equation 3x - 5y = 10 and write each as an ordered pair.
Click here to see answer by Mathtut(3670)

Question 170352: Algebraically find the x and y intercepts of the equation 3x - 5y = 10 and write each as an ordered pair.
Click here to see answer by checkley77(12844)

Question 170351: Use the midpoint formula to find the midpoint of a line segment with endpoints: (2, 7) and (-4, 1)
Click here to see answer by checkley77(12844)

Question 170554: The linear equation x = -1 graphs as a horizontal/vertical/diagonal line (choose the correct label and type it below). Describe how you determined your answer.
Click here to see answer by Mathtut(3670)

Question 170638: I just don't get how to add or subtract the variables or anything please help me i need a good grade
Click here to see answer by Mathtut(3670)

Question 170550: . Fill in the chart given this linear equation:
2x + y = 42.
Type all your work below the chart.
x y
-2
-1
0
1
2

Click here to see answer by jojo14344(1513)

Question 54568: I really dont get inequalities at all so i need help on how to solve them. I get the two step, but its the using distributive property, gathering varibles on one side of an inequality, and multi-step. so could u please help me?
Click here to see answer by lina2o9(1)

Question 171177: How is determining a value to an equation different from determining that of a solution?
Click here to see answer by Mathtut(3670)

Question 171296: (5)EXPONET 2+55=
Click here to see answer by checkley77(12844)

Question 171314: Add -2 to both sides of the inequality 5 > 3.
Then divide both sides of the inequality -20 > -30 by -2.
a) Explain in your own words what happens in each example; when you perform the operations listed above.
b) Explain what happens in each example when the direction of the inequality symbol is reversed
Click here to see answer by gonzo(654)

Question 171318: maureen paid $62.06 including 7% tax, for a sweater. How much did the sweater itself cost?
X=62.06-7/100
x= 62.06-.07
x=-61.99
this is not right could you help me solve?
Click here to see answer by gonzo(654)

Question 171339: x^4+100>29x^2
That greater than sign should be a greater than or equal to sign, but I didn't know how to make it on here.
Click here to see answer by stanbon(75887)

Question 171339: x^4+100>29x^2
That greater than sign should be a greater than or equal to sign, but I didn't know how to make it on here.
Click here to see answer by gonzo(654)

Question 171396: the inequality 1/2x+3<2x-6 is equivalent to
Click here to see answer by jim_thompson5910(35256)

Question 171413: deos the shaded region of the graph of the system of inequalities
y>3
x+y<5
include the points (5,-2)? how do you know?
Click here to see answer by Mathtut(3670)

Question 171295: does the shaded region of the graph of system of inequalities
y>3
x+y<5
include the point (5,-2)? how do you know?

Click here to see answer by midwood_trail(310)

Question 171600: Hi Everybody! I've been out of school for 23 years and even when I was there I was never any good at this stuff. Any help would be Appreciated.
Here's the problem:
2[-7y-3(5-4y)+10]=10y-12
Click here to see answer by stanbon(75887)

Question 171694: (-20a+15)/5>-9
Click here to see answer by Earlsdon(6294)

Question 171806: I need help with solving:
-17 <= 4x -4 <= -3
Click here to see answer by jim_thompson5910(35256)

Question 171809: the total of ben's score and 75 is less than 400.
Click here to see answer by jim_thompson5910(35256)

Question 171834: x=10
x=y-10
Click here to see answer by Alan3354(69443)

Question 172145: Fred, the farmer, has started a savings account for a tractor. He saved $600 last month and plans to add $100 each month until he has saved more than $2000. Write an inequality in terms of the number of months, m, that he has to save for the tractor.
Click here to see answer by stanbon(75887)

Question 172065: use transformations to solve the inequality. 19-3m+5+7m<0
Click here to see answer by jim_thompson5910(35256)

Question 172143: The memory in Tina's camera phone allows her to take up to 20 pictures. Tina has already taken 16. Write an inequality to show home many more pictures, p, Tina could take.
Click here to see answer by Mathtut(3670)

Question 172142: The memory in Tina's camera phone allows her to take up to 20 pictures. Tina has already taken 16. Write an inequality to show home many more pictures, p, Tina could take.
Click here to see answer by sowmya(32)

Question 172678: Hi All,
I need help with this inequality word problem.
A furniture manufacturer makes and sells chairs and sofas. He makes a profit of $60 on each chair and $80 on each sofa. If x=number of chairs, and y=number of sofas, write and inequality that says that he would like to make a total profit of a least $4000 this month:
Thank you for your help.
Freedom45
Click here to see answer by stanbon(75887)

Question 172692: Hi All,
I need help with this inequality word problem.
A furniture manufacturer makes and sells chairs and sofas. He makes a profit of $60 on each chair and $80 on each sofa. If x=number of chairs, and y=number of sofas, write and inequality that says that he would like to make a total profit of a least $4000 this month:
Thank you for your help.
Freedom45
Click here to see answer by Mathtut(3670)

Question 172799: Find the solution of the system of inequalities

Click here to see answer by jim_thompson5910(35256)

Question 172840: -7z+15> with a line under and 57
Click here to see answer by checkley77(12844)

Question 172695: Hi,
Please help with this inequality word problem.
A farmer has 29,000 pounds of nitrogen available for growing honeydews, yellow onions and lettuce on her farm. One acre of each of these crops requires 120,150, and 180pounds of nitrogen, respectively. If we let h,y,and l designate the number of acres to be planted of honeydews, yellow onions, and lettuce, write an inequality which reflects the limitations imposed by the nitrogen:(Hint: It is not necessary to use it all.)
Thanks,
Freedom45
Click here to see answer by Mathtut(3670)

Question 172966: Could you help me with the following 3 question and the working out.
H-12
----- = 5
7

B
-- - 3=5
8

2H-4
------ =6
3
Click here to see answer by solver91311(24713)

Question 173123: -(3*7 < = -4 power 2 -8(x-2)+7x < = -(12*3)
_______ _______________________ ___________
14/2 ) (2/3x + 17y)power 0 +5 -3 power 2
solve for x
this is extra credit but I got 50>= x >= 56 which can't be correct?
Click here to see answer by jim_thompson5910(35256)

Question 173180: Solve using the addition and multiplication principles.
4z - 3 > 3z - 13
Click here to see answer by jim_thompson5910(35256)

Question 173404: Hi,
My problem is about inequality
Abu ran on-third of an hour and then walked for half an hour at the rate of 3 km/h. In all, he had covered 4 km. how fast did he run?
PLSSSS. It's an assignment which is not yet corrected
Click here to see answer by stanbon(75887)

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