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

Tutors Answer Your Questions about Inequalities (FREE)

Question 164111: it is problem number 17 ib page 151 3m-8>-30+5m
Click here to see answer by checkley77(12844)

Question 164209: t/3-t/2 > 3/4
I got
12*(4/12t-6/12t> 6/12)
4/12t-6/12t> 6/12
-2/12t> 6/12
-2/12t*-12/2 > 6/12*-12/2
t> -3
Am I doing this right????

Click here to see answer by Fombitz(32388)

Question 164208: 2(4-3/5q) < 5
I got
8-6/5q <5
-6/5q < -3
-5/6*-6/5q < -3*-5/6
q<2.5
Right??
Click here to see answer by Fombitz(32388)

Question 164315: solve this inequality and check your solution. then graph the solution on a number line. 2n+5>11-n
Click here to see answer by jim_thompson5910(35256)

Question 164377: {2x-1} < 3
The 2x-1 is an absolute value, wasn't sure how to type it.
Click here to see answer by checkley77(12844)

Question 164376: -2(x+6) > x+4
Click here to see answer by checkley77(12844)

Question 164375: 2x-(7+x)< x
Click here to see answer by checkley77(12844)

Question 164338: Your quiz grades are 73, 75, 89, and 91. What is the lowest grade you can obtain on the last quiz and still achieve an average of at least 85?
Click here to see answer by checkley77(12844)

Question 164636: what are the steps in solving the following for b:
y=mx+b
Click here to see answer by ankor@dixie-net.com(22740)

Question 164725: Write an inequality for the phrase.
eight less than a number x is at least 17
Click here to see answer by edjones(8007)

Question 164724: Write an inequality for the phrase.
twenty four lees than 5/8 of a number x

Click here to see answer by gonzo(654)

Question 164772: Jumping rope can burn 600 calories per hour. Write and solve an inequality to find the number of hours of jumping rope that it would take for you to burn at least 450 calories.
Click here to see answer by checkley77(12844)

Question 164853: LENGTH OF RECTANGLE 26CM
WHAT WIDTH WILL MAKE THE PERIETER GREATER THAN 80CM
Click here to see answer by MRperkins(300)

Question 164875: solve and graph the inequality.
11+x<4
Click here to see answer by jim_thompson5910(35256)

Question 164875: solve and graph the inequality.
11+x<4
Click here to see answer by KnightOwlTutor(293)

Question 164952: I have to graph and write the following as an inequality and i think i know but im not sure if im right. to get a b in english class you must have an 85% or higher but less than a 93%
Click here to see answer by checkley77(12844)

Question 164936:
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 checkley77(12844)

Question 164975: 6-11b(less than or equal to)-3(negative 3)
Click here to see answer by checkley77(12844)

Question 165080: 11x + 3 � 13x � 7 < 2(5 + 4x)
I'm not sure how to get all the x's on the left of this problem. Can you help please?
Click here to see answer by jim_thompson5910(35256)

Question 165100: Solve x2-3x-4<6 numerically and graphically.
Click here to see answer by checkley77(12844)

Question 165210: How exactly do I solve a compound inequality such as -3
Click here to see answer by jim_thompson5910(35256)

Question 165211: Im not sure what the OR has to do with anything for example could you explain to me how to solve x-1<-1ORx-5>-1?
Click here to see answer by jim_thompson5910(35256)

Question 165311: i need help to solve this problem t+2>t+1
Click here to see answer by checkley77(12844)

Question 165463: I'm trying to solve this problem and getting wrong answer.
-6(6x+12)<-42x-48
Click here to see answer by Mathtut(3670)

Question 165479: . For any numbers a and b , a#b= a + b �ab . If a#b = 0, which of the following
CANNOT be a value of b ?
(A) 2 (B) 1 (C) 0 (D) --1 (E) -3 /2
Click here to see answer by Edwin McCravy(20054)

Question 165750: hi need help on this homework guys! thanks!
solve the inequality. graph the solution and write it in interval notation
9x + 10 > 8x + 6
Click here to see answer by Mathtut(3670)

Question 165760: -2y+x=2y-8 write this as an x and y intercept. Can you explain how to work this out
Click here to see answer by Mathtut(3670)

Question 166190: please help me factor the following
1) 5x^2y^6z^4-15x^4y^5z^3+20x^3y^5z^2
2) 12xy+20yz-40wy
3) 16x^2-49
i would appreciate some help i am tatally lost
Click here to see answer by vleith(2983)

Question 166203: please help me factor the following
1) 4y^3-64u^2y
2) y^2+8y+7
3) 15z^2-26z-21
I would appriecate any help
Click here to see answer by vleith(2983)

Question 166204: please help me factor the following
1) 21uv^3-46uv^2+24uv
2) 32y^2-12y-2
3) 36x^2+36x+9
4) 3x^2+54x+195
i would appricate any help
Click here to see answer by scott8148(6628)

Question 166187: Solve the inequality. Write the solution set in interval notation and graph it.
12x - 18 > 3(3x-13)
Click here to see answer by jim_thompson5910(35256)

Question 166293: 9(3x-5)-6(2x-6)>_ 7
Click here to see answer by jim_thompson5910(35256)

Question 166171: [x3y-3xy]-[xy]3
Click here to see answer by Fombitz(32388)

Question 166411: what is 3a+6-2a greater than or equal to -19
Click here to see answer by jojo14344(1513)

Question 166446: I caanot for the life of me figure out how to solve this problem. We are asked to collect the variable terms on the left side of the inequality.
0.2(3-x)+0.1>0.1(x-2)
Click here to see answer by stanbon(75887)

Question 166542: can someone please show me how to do this problem:
Find the value(s) of the function, subject to the system of inequalities.
Find the minimum of P = 23x + 21y + 22 subject to:
x (greater than or equal to) 0, y ( greater than or equal to) 0, x + y (greater than or equal to) 1.
a. 66
b. 43
c. 45
d. 22
Click here to see answer by gonzo(654)

Question 166612: I am having trouble with solving and graphing inequalities the problem:
x+4>9 I came up with x=5 is that correct? Can you show me how you came up with your answer if mine is not correct
Click here to see answer by gonzo(654)

Question 166640: If the equation is being divided by a number after being solved, what do i need to do to isolate the variable?
Example: (w+3)/2>6-3
How would I get isolate the variable?

Click here to see answer by jim_thompson5910(35256)

Question 166730: how do you solve -6s>=-78
Click here to see answer by kevin6789(2)

Question 166717: 3(x+4) < 12
Click here to see answer by Alan3354(69443)

Question 166812: how do you factor a polynomial of the form ax2 + bx + c when a is not equal to 1.
Click here to see answer by MRperkins(300)

Question 167066: -n/3 < 3/4
I tried:
-3(-n/3) < -3(3/4)
n < -9/4
But how do you insert -9/4 in the place of n in the original problem to prove it? You can't place a fraction over the 3... Please help. Thanks!
Click here to see answer by checkley77(12844)

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