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

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Algebra: Inequalities, trichotomy

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Question 56413: solving linear inequalities
solve the following inequalities and express the solution using interval notation.
3(2x-2)<7+2x-1
Click here to see answer by jai_kos(139)

Question 60552: My problem is n/4-9>5. I have done easier ones like 5+2c<-9 my answer for this was 2c<-4.
I think I have made it too hard for myself. THanks, Wesley
Click here to see answer by funmath(2873)

Question 60692This question is from textbook Pre-Algebra
: Tell wheather the given number is a solution of -1.5x is greather than -12.
The given number: -4.
Thanks for the help!This question is from textbook Pre-Algebra

Click here to see answer by funmath(2873)

Question 60691This question is from textbook Pre-Algebra
: Please solve the equation. -6(4x+3)=6(-4x-3).
Thanks for the help!This question is from textbook Pre-Algebra

Click here to see answer by funmath(2873)

Question 60694This question is from textbook Pre-Algebra
: Tell wheather the given number is a solution of -1.5x is greather than -12.
The given number 12.
Thanks for the help!This question is from textbook Pre-Algebra

Click here to see answer by funmath(2873)

Question 60696This question is from textbook Pre-Algebra
: Tell wheather the given number is a solution of -1.5x is greather than -12.
Given number 0.
Thanks for the help!This question is from textbook Pre-Algebra

Click here to see answer by funmath(2873)

Question 60698This question is from textbook Pre-Algebra
: Tell wheather the given number is a solution of -1.5x is greather than -12.
Given number 8.
Thanks for the help!This question is from textbook Pre-Algebra

Click here to see answer by brandonpark2889(31)

Question 52590: 0.6(x-50)=18-0.3(40-10x)
Click here to see answer by terbear1963(43)

Question 60907: In which quadrants does the graph of the following inequality lie? 2x + y < -6
a) II,III,IV only
b) I,III,IV only
c) II,III only
d) I,II,III,IV
e) none of these
Click here to see answer by tutorcecilia(2042)

Question 60906: In which quadrants does the graph of the following inequality lie? 2x - y <= 4
a) I,II only
b) I,II,III only
c) I,III,IV only
d) I,II,III,IV
e) none of these
Click here to see answer by checkley71(8405)

Question 60988: a printing comapny sells small packages of personalized stationery for 7$ each, medium packages for 12$, and large packages for 15$ each. yesterday,the company sold 9 packages of stationary , collecting a total of $86. three times as many medium packages were sold large packages.

a.let s represent the number of small packages , m the number of medium packages, and l the number of large packages. write a system of three equations that represents the number of packages sold.
b.find the number of each size packages sold.
Click here to see answer by Nate(3495)

Question 60977: Solve for x: x - (6/x) = 1
a) 2
b) -3
c) 3, -2
d) 2, -3
e) none of these
Click here to see answer by Nate(3495)

Question 60996: x+5<18
Click here to see answer by checkley71(8405)

Question 61040: n/-5>-4
Click here to see answer by tutorcecilia(2042)

Question 61177: 5x+4x=7k
solve for x
Click here to see answer by tutorcecilia(2042)

Question 61207: In the formula V= lwh, find l when w=4in., h=6in., and V =144 cu. in.
Click here to see answer by checkley71(8405)

Question 61226: what is 3x-4(5+x)=x+8
Click here to see answer by scoop(27)

Question 61232: How would you solve the equation 2a-6=-a?
Click here to see answer by scoop(27)

Question 61235: what is 3x-4(5+x)=x+8
Click here to see answer by scoop(27)

Question 61206: In the formula V= lwh, find l when w=4in., h=6i., and V =144 cu. in.
Click here to see answer by ankor@dixie-net.com(6691)

Question 61315: solve for x: write answer as inequality
(2x+5) / (x-7) Can someone show me how to do this?
Click here to see answer by josmiceli(3003)

Question 61459: Help, its going for midnight and We are clueless on this
6< x -6<_ 8
I cant find the right keys but its 6 isd less than x minus 6 less than or equal to 8
Click here to see answer by DJ_Sammie(24)

Question 61407: 4. 2/3n + 8 = 1/3n - 1 I'm not very good with fractions, well in general I am, but not in Inequalities. I don't really understand how to work the fractions like regular numbers, especially if the answer comes out like: 2/5w = something. Then what does w alone equal? how do I get w alone? - Thank you very much for your time, Savannah
Click here to see answer by ptaylor(1578)

Question 61500: what is the answer to the eqatiion in inequality's -5-9<-4

Click here to see answer by tutorcecilia(2042)

Question 61548: if f(x) =5x-1 find the following.
f(a-2)
Click here to see answer by tutorcecilia(2042)

Question 61547: if (x)=4x-3 find the following.
f(-1)
Click here to see answer by tutorcecilia(2042)

Question 61759: I am not sure this goes here. It is getting later and i don't know how to figure this one out.
-1 is equal to or less than 3x-4/4 < 2 solve for x

I hope this is clear enough.
Click here to see answer by stanbon(26259)

Question 61887: Couls someone help please?
Solve the following inequalitites. Write the answers in interval notation.
x^2 +7x-18=>0
3x-4/2x+1 <=6
Click here to see answer by jai_kos(139)

Question 61886: Could someone please help me?
Solve the following inequalities. Write your answer using interval notation.
(x+4)(2x-3)>0
x^2-2x<8
Thank you
Click here to see answer by funmath(2873)

Question 62028This question is from textbook

: I am lost on this one
3X^2-x-4<_0
thanks for your considerationThis question is from textbook

Click here to see answer by hotrodd(18)

Question 62029: Anybody know this one
x^2+4x+1>0
thanks for your time
Click here to see answer by Nate(3495)

Question 62280This question is from textbook Beginning Algebra

: -11<-2c+3<-5This question is from textbook Beginning Algebra

Click here to see answer by funmath(2873)

Question 62291This question is from textbook Pre-Algebra
: Please help me with this homework question! Find the quotient. Write your answer using exponents. 7 with an exponent of 18 divided by 7 with an exponent of 5.This question is from textbook Pre-Algebra

Click here to see answer by funmath(2873)

Question 62292This question is from textbook Pre-Algebra
: Please help me with this homework question! Find the quotient. Write your answer using exponents. 15 to the 21st power divide by 15 to the 13th power.This question is from textbook Pre-Algebra

Click here to see answer by funmath(2873)

Question 62294This question is from textbook Pre-Algebra
: Please help me with this homework question! Find the quotient. Write your answer using exponents. 12k to the 10th power divided by 80k to the 7th power.This question is from textbook Pre-Algebra

Click here to see answer by funmath(2873)

Question 62293This question is from textbook Pre-Algebra
: Please help me with this homework question! Find the quotient. Write your answer using exponents. x to the 16th power divied by x to the 9th power.This question is from textbook Pre-Algebra

Click here to see answer by funmath(2873)

Question 62296This question is from textbook Pre-Algebra
: Please help me with this homework question! simplify. A times A to the 7th power divided by A to the 5th power.This question is from textbook Pre-Algebra

Click here to see answer by tutorcecilia(2042)

Question 62297This question is from textbook Pre-Algebra
: Please help me with this homework question!Simplify B to the 7th power divided by B to the 2nd power times b to the 3th power.This question is from textbook Pre-Algebra

Click here to see answer by tutorcecilia(2042)

Question 62301This question is from textbook Pre-Algebra
: Please help me with this homework question! 4z to the 13th power times 5z to the 18 power divided by 25z to the 5th power times z to the 12th power.This question is from textbook Pre-Algebra

Click here to see answer by checkley71(8405)

Question 62362: x
___ > 7
3
X over 3 is GREATER than 7 I get how to do the problem it's just writing out my varification that I don't get.
ISBN 0-13-125454-5 PRE-ALGEBRA
THANK YOU VERY MUCH
Click here to see answer by Earlsdon(4898)

Question 62299This question is from textbook Pre-Algebra
: Please help me with this homework question! Simplify. 15x to the 5th power divided by 90x to the 12th power.This question is from textbook Pre-Algebra

Click here to see answer by 303795(562)

Question 62569: Solve the inequality. Collect the xs on the left side. Write the solution set in interval notation:
(-1/3)x < 5 + (2/3)x

Solve the inequality. Collect the xs on the left side. Write the solution set in interval notation:
(4/3)(x + 1) (1/2)(x - 3)

Click here to see answer by funmath(2873)

Question 61208: 5(2a+b)-(a+3b)
Click here to see answer by 303795(562)

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