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August 27, 2014

Search: math-inequalities

Number of results: 91,406

math
How many solution sets do systems of linear inequalities have? Do solutions to systems of linear inequalities need to satisfy both inequalities? In what case might they not?
January 27, 2013 by monet

math - inequalities
How many integers are common to the solution sets of both inequalities? x+7 ≥ 3x 3x+4 ≤ 5x
December 14, 2013 by Maggie

math-inequalities
graph solution set of system of inequalities x+y< 4 x-2y>6
April 11, 2012 by Anonymous

Math
Solve the compound inequalities. Write the solutions in interval notation. Graph your solution on a number line. 1. 2(3x + 1)< -10 or 3(2x - 4) 0 The or means union of these inequalities. 2. 5(p + 3) + 4 > p - 1 or 4(p - 1) + 2 > p + 8
August 30, 2012 by Neil

Algebra 1
How many solution sets do systems of linear inequalities have? Do solutions to systems of linear inequalities need to satisfy both inequalities? In what case might they not?
September 4, 2012 by Austin

Algebra 1A
How many solution sets do systems of linear inequalities have? Do solutions to systems of linear inequalities need to satisfy both inequalities? If so what are some examples?
June 26, 2013 by Kim

Math Ms. Sue Please help!
Can you find me a website how to do inequalities on line graphs on the less than and greater than inequalities. Ex: 2r-2<4 (A line goes under the sign "<")
February 13, 2013 by Angelina

Re: Math
The only inequalities where I have to check the values between the points are polynomial and rational inequalities, right? And not any other type of inequalites By Checking I mean to know which way to shade on a graph Just making sure
September 28, 2010 by Amy~

Systems of Inequalities-8th Grade Algebra
Graph the equation. The graph will divide the coordinate plane into four reqions. Write a system of inequalities that describe each region. Labe the region with these inequalities. 1) y = x - 3 y = 9 - x I already graphed it, I only need help on writing the systems of ...
March 12, 2009 by Marta

math
Suppose you need $2.40 in postage to mail a package to a friend. You have 9 stamps, some $0.20 and some $0.34. How many of each do you need to mail the package? So to solve this problem, I came up with two inequalities: 1. a + b is less than or equal to 9 2. 20a + 34b is ...
April 10, 2009 by Angie

Gender Inequalities
Are there any inequalities between men and women in the armed forces?
May 27, 2008 by Katherine

Math Check
The only inequalities where I have to check the values between the points are polynomial and rational inequalities, right? And not any other type of inequalites By Checking I mean to know which way to shade on a graph Just making sure
September 28, 2010 by Amy~

math
5.If inequalities are multiplied by positive number, the order remains the same. If x>y and z>0, then xz>yz. However, if inequalities are multiplied by negative numbers the order is reversed. If x>y and z<0 then xz<yz Please show work and explain.
May 13, 2014 by Johnny

algabra II
does anyone have the answers to exam 00703600 inequalities, permutations, and probabilities i just need the part on graphing the inequalities
September 29, 2010 by kay

inequalities
i'm dealing with inequalities with one variable and i'm just curious as to why i am doing this? i would like to know the theories behind this.... please help or maybe give me a site?
March 25, 2009 by cynthia

Math
1. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
January 20, 2014 by Jessica

alg2 check?
Graph the system of inequalities then substitute the (x,y)order pair into both inequalities. y>3x+1 y<-2/3x+4 (second one has a line under the arrow) I don't get what they are asking for? if they want me to solve it how am I suppose to set it up?
July 18, 2013 by tyneisha

education inequalities
What are some inequalities in education between men and women?
May 23, 2008 by Katherine

Inequalities
graph the system of inequalities: ( x-3)^2/9 + (y+2)^2/4<=1 and (x-3)^2+(y+2)^2>=4 I do not know how to simplify this down enough to graph it
April 21, 2012 by Some1 Help Me Plz

algebra 1
Material cost equation : 30x + 2y = 200 Profit equation : 100x + 5y = 400 B. Explain your inequalities and explain why x<8 and y<40 are also inequalities for this system
November 22, 2013 by malik

Inequalities & Absolute value
|2x+4|<5 |5-3x|<9 What values of x are both of the inequalities above true? i. -2 ii. -1 iii. 1 I got -1 only and its right because I just plugged it in to find out, but is there another way of solving this perhaps algebraically? For example something like 2x+4<5 and...
July 2, 2014 by Bethany

math inequalities please check
A landscape designer has to design a rectangular pad of concrete at the centre of a rock garden. The lenght must be less than or equal to twice the width; the perimeter must be less than or equal to 40 m; and the area must be greater than or equal to 60 m. 1.)Write as system ...
October 25, 2010 by Sandi

math-inequalities
Hi, I am having some problems with inequalities. It is asking us to solve and graph on a number line and then write it in interval notation and set notation. X>2 and X>4 I graphed them in a number line already and i have the following: Interval notation (2,infinity) and ...
February 14, 2011 by phobia

Algebra
Consider the two inequalities 2x - 4 < y and y < -2/3x + 2. (b) Graph the region of the plane that satisifies either inequality, or both inequalities. (c) Graph the region of the plane that satisifies either inequality, but NOT both. What I don't get is that in another ...
February 4, 2009 by Lilianne

math inequalities please check
A landscape designer has to design a rectangular pad of concrete at the centre of a rock garden. The length must be less than or equal to twice the width; the perimeter must be less than or equal to 40 m; and the area must be greater than or equal to 60 m^2. 1.)Write as system...
October 25, 2010 by Sandi

Math - Inequalities
Please help with the following: What is an open dot, and what is a closed dot? Also, when are they used in inequalities? I am not really sure about what they are. The lesson has not taught me anything about open dots and closed dots. I have also looked them up, but I got ...
May 21, 2014 by Brady

inequalities
A home-based company produces both hand-knitted scarves and sweaters. please help please The scarves take 2 hours of labor to produce, and the sweaters take 14 hours. The labor available is limited to 40 hours per week, and the total production capacity is 5 items per week. ...
January 31, 2008 by Brenda

Algebra 1 (Reiny)
Will you please explain the steps I must take in order to graph these linear inequalities? Graph each system of linear inequalities. Give two ordered pairs that are solutions and two that are not solutions. 1. y < 2x - 1 y > 2 2. x < 3 y > x -2 3. y => 3x 3x + y...
January 9, 2014 by Victoria

math
inequalities x-5<15
April 17, 2013 by tyson

Math- Inequalities
1. x - 7 > 10 x > 17 2. 3x <= 21 x <= 7 3. 5a - 2 < 18 a < 4 4. 2t + 8 >= -4(t + 1) t >= -2
October 14, 2013 by Anonymous

Solving inequalities
I have to solve the following inequalities: x^2 + y^2 is less than or equal to 49 y is less than or equal to 3-x^2 I know that these are the equations of a circle and a parable. There should be 3 solutions. However, I am not sure how to solve these equations. CAn you help? ...
March 30, 2009 by Joanie

Algebra
Write a system of inequalities to express the exterior of the triangle ABD if A=(-2,7), B=(4,0), and C=(1,-3). Please help! gracias<3 Derive equations for the three lines connecting the three points. Then change the equations to inequalities to represent the region on the ...
December 20, 2006 by Lily

Adv. Math
I don't know how to do this inequalities.... -24 < 1/2b
April 29, 2008 by Kenya

Math
How do you solve for inequalities like this? 1< 4-x < 1.59
October 20, 2008 by Blake

math
Which of the following inequalities has x>4 as a solution A: 6x < -24 B: x+4>0 C: -5x+2<-18 D: 4x + 2 > 14
March 15, 2011 by iliana

math
Which of the following inequalities has x > 4 as a solution? A: 6x < -24 B: x + 4 > 0 C:-5x + 2 < -18 D: 4x + 2 > 14
April 26, 2011 by Katherine

math
will anyone explain to me how to solve two step inequalities? it would be most appreciated. they are called two step inequalities. ill give you an example -40<5+5x that makes no sense to me I dont know :( SOLVING AN ABSOLUTE INEQUALITY lET X BE A VARIABLE OR AN ALGEBRATIC ...
January 17, 2007 by austin

math
Solve this system of inequalities graphically 3-y<6, x>1, y<3
January 23, 2008 by sarah

Math
Inequalities:How is 2r + 5 greater than a negative one ?
October 27, 2008 by Anonymus

Math
How do i solve 2x+y > -3? And how do i graph it. This is Linear inequalities.
May 3, 2012 by David

Math
How would you solve these compound inequalities? 1. -1<4x-3<5 2. 3a-5<=-2 OR 3a-5>=13 3. -y-2>6 OR 4y+8<=20 4. 3<=-2x+1<=9
September 29, 2013 by Kimmy

Math
I need help understanding inequalities - like a+2<-3 or d-1.9<-8.7
December 4, 2013 by Debbie

math/algebra
I need help with this problems graph inequalities 3x-4y<12.
September 6, 2007 by jaysgyrl

math
I need help in solving two-step inequalities. 7 - 4w <_ 19
November 2, 2011 by jared

math questions
is there a site i could use to help me with compund inequalities?
November 13, 2011 by scooby

math
Solve the following polynomial inequalities. a) 4x - 5 ≤ 2(x - 7)
May 9, 2012 by rick

math
Solve the following polynomial inequalities. 4x - 5 ≤ 2(x - 7)
May 11, 2012 by rick

math
How do you solve systems of inequalities in two variables?
March 30, 2013 by kim

math
How do you solve systems of inequalities in two variables?
March 30, 2013 by kim

Math
How would you solve these compound inequalities? 1. -5k<-10 OR 3k>-9 2. 1/2z+3<-4 OR 2/3z-1>=1/5 3. -2<=n+2 divided by 3 <=4 4.p+4>6 AND 3p<=-18
September 29, 2013 by Sam

Math
Find the range of value of X for each for the following inequalities 8-4x/x+5>1-x
June 22, 2014 by akhmal

algebra 1
. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
November 22, 2013 by nicki

math
1) Why should we clear fractions when solving linear equations and inequalities? Demonstrate how this is done with an example. Why should we clear decimals when solving linear equations and inequalities? Demonstrate how this is done with an example.
March 21, 2012 by jess

Math
Im in advanced math and were doing Graphing Inequalities and im not sure how to do it.
November 28, 2010 by Noelle

Algebra 1 (Reiny)
I desperately need guidance. Not only do I not know how to graph these systems of linear inequalities, but I also do not understand the concept whatsoever. I have watched several videos regarding the subject, but I didn't retain anything from them. Please, I desperately need ...
January 14, 2014 by Anonymous

math/algebra
how do I solve system of linear inequalities by graphing x-y<=3, x+2y=>6.
September 16, 2007 by rex

Math
Solve the following system of linear inequalities by graphing. 3x y < 2 x + y > 2
December 16, 2007 by Need help

Math
How is graphing a system of inequalities similar and different than that of equations?
April 9, 2010 by Me

math
Solve the following polynomial inequalities. A) x^3 - 5x^2 + 2x ≥ -8 B)2(x3 - 2x2 + 3) < x(x - 1)(x + 1)
May 10, 2012 by rick

math
SOlve the following inequalities: 1. x^2-x-6 greater than equal to zero 2. x^3+5x^2-4x-20 > 0
December 14, 2013 by Anne S.

Math/ Algebra
Post your responses to the following. Answer each question in a separate paragraph: Techniques that can simplify solving equations and inequalities are to clear fractions and decimals when solving linear equations and inequalities. 1. Demonstrate how fractions are cleared with...
June 14, 2010 by Amanda

math
An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities representing the constraints. Find the value of the objective function at each corner of the graphed region. Use these values to determine the maximum...
February 22, 2010 by ReRe

math/algebra
I need help solving the solution sets for linear inequalities: 1.3x-y<=6 x>=1 y<=3
September 12, 2007 by jaysgyrl

Math Help please
Solve the following system of linear inequalities by graphing. 3x y < 2 x + y > 2
January 25, 2008 by T.T

Math
I don't get when you use "or" or "and" in inequalities. Like for this quadratic inequality: x^(2) +x -12 > 0 becomes x < -4 x > 3 why is the answer {x|x<-4 or x>3} and not {x|3<x<-4} ?
September 29, 2010 by Amy~

math
solve the following polynomial and rational inequalities 2x^2+x-6>0 i need some help with this
April 27, 2011 by justins

math
If r = 12.5 and s = |−13|, which of the following inequalities is not true??? 1.r≠s 2.r< s 3.r≥s 4.r≤s
March 20, 2013 by lina

math
Solving inequalities by multiplying or dividing (-y/6)<2 y___21 1. < 2. > please answer the y ? 21 1 or 2 and how to do it
March 6, 2014 by thomas

math (double checking)
I've posted this question before but I forgot to say that I was dealing with polynomial inequalities (not sure if that makes a difference) The question is: Solve the following polynomial inequalities. (9 marks) 4x - 5 ≤ 2(x - 7) x^3 - 5x^2 + 2x ≥ -8 2(x^3 - 2x^2 + ...
January 12, 2013 by Anonymous

math (urgent help needed)
Seeds of type A and type B are sold in a packet each must contain a)both type a and type b seeds b)at least twice the number of type b c)as there are type a seeds no more thanm 12 seeds 1)state the minimum number in each packet of type a and type b seeds. 2)if there are x type...
February 29, 2008 by Keisha

math(relation & functions) need help urgently
Seeds of type A and type B are sold in a packet each must contain a)both type a and type b seeds b)at least twice the number of type b c)as there are type a seeds no more thanm 12 seeds 1)state the minimum number in each packet of type a and type b seeds. 2)if there are x type...
February 28, 2008 by Keisha

math
i need help on graphing inequalities. i don`t understand everything! HELP! (Broken Link Removed)
February 9, 2007 by andrelyn

Algebra
Can anyone help with using excel to graph inequalities? I understand the math...just not how to do it on the computer. Thanks!
October 26, 2007 by Anonymous

Math inequalities
18-2x>6x-6 I added +2x to each side 18>8x-6 then add 6 to both sides 24>8x 24/8>8x/8 3>x answer x<3 Is this done correctly? Thank you for your help
January 1, 2013 by B6

Math
How many integers are common to the solution sets of both inequalities? x+7≥3x 3x+4≤5x
December 7, 2013 by purple

math please help
Take the real-life situation and create an equation or inequality that could be used for analysis, prediction, or decision making. Then, draw a graph to depict the variables in your situation (refer to problem 40 on p. 649). Use your graph and what you know about linear ...
January 15, 2008 by Anonymous

Math Inequalities
4(r-7)+2>5(r+3)-28 I tend to make things too difficult.. can someone please check my answer? {r l r > 31/4}
November 5, 2009 by Anna

Math inequalities
The question is 3/4x1/4x+8 2/4x8 mult. both sides by4/1 2/2x32/2 x16 Is this correct? Thanks
December 28, 2012 by B6

Math
How would I find the solution set for a system of linear inequalities? For example, x-3y<10 3x-2y≥5
July 27, 2014 by HEL

Pre-calculus-check answers
Describe the linear programming situation for this system of inequalities where you are asked to find the maximum value of f(x,y)=x+y. Answer: an optimal solution 2)Describe the linear programming situation for this system of inequalities: Answer: an optomal solution
August 23, 2008 by Lucy

Pre-Calculus-check answers
Describe the linear programming situation for this system of inequalities where you are asked to find the maximum value of f(x,y)=x+y. Answer: an optimal solution 2)Describe the linear programming situation for this system of inequalities: Answer: an optomal solution
August 30, 2008 by Lucy

Pre-Calculus check answers
Describe the linear programming situation for this system of inequalities where you are asked to find the maximum value of f(x,y)=x+y. Answer: an optimal solution 2)Describe the linear programming situation for this system of inequalities: Answer: an optomal solution
August 31, 2008 by Lucy

math-inequalities
I really don't understand this stuff for example: 9b-3b+34<2b-10 and 7a+3=24 letters represent variables so they can be anything really. Once you understand this step then the rest of the problem can start to make sense. Inequalities tell you whether something is greater/...
February 28, 2007 by Paige

math
it wants to solve multi-step inequalities. Question: -5X-(2X+3)>1 - > - =equals to if u didnt know wut i was talken bout
October 30, 2007 by kaleigh

Math
What is the maximum integer value of n, where n<148, that satisfies the following inequalities: sin(pi/2+(pi*n)/74)<0 and tan(pi−(pi*n)/74)<0?
May 16, 2013 by Crow

Math
Directions:Write inequalities for the numbers 2 - 4 below. Do not solve them! Problems: 2.Your quiz grades are 19, 17, 20, and 15. What is the lowest grade you can receive on the next quiz and maintain at least an 18 average? 3.Stacey and Luis volunteer at the local hospital. ...
June 21, 2007 by Erica

Quanitive Methods
A car rental company has $540,000 to purchase up to 25 new cars of two different models. One model costs $18,000 each and the other model costs $24,000 each. Write a system of linear inequalities to describe the situation. Let x represent the first model and y represent the ...
October 1, 2007 by Tam

algebra1
graph the system of inequalities, and classify the figure created bu the solution region. y4x+4 y-0.25x+4 y4x-1 y-0.25x-1 a)the shaded region is a plane minus a rectangle b)there is no region common to all four inequalities c)the shaded region is a rectangle d)the ...
May 17, 2012 by jenika

algebra1
graph the system of inequalities, and classify the figure created bu the solution region. y4x+4 y-0.25x+4 y4x-1 y-0.25x-1 a)the shaded region is a plane minus a rectangle b)there is no region common to all four inequalities c)the shaded region is a rectangle d)the ...
May 17, 2012 by jenika

math
(x-4)/(2x+4) is greater than or equal to 1. How do i express solutions to inequalities in interval notation without using the calculator? please help.
June 15, 2006 by greg

Math Help Please
How do i solve inequalitites with three variables. I still can't figure it outplease help. x+y=1 y-z=-3 2x+3y+z=1 Where are the inequalities? Those are equations.
October 22, 2006 by Jasmine202005

Math
Explain why the vertices of a solution region are important when using linear systems of inequalities for optimization problems ?
April 20, 2011 by Tina

Math Trigonometry
What is the maximum integer value of n, where n<148, that satisfies the following inequalities: sin(pi/2+(pi*n)/74)<0 and tan(pi−(pi*n)/74)<0?
June 5, 2013 by Crow

Math: Polynomial inequalities
Show all work solve the Math: Polynomial inequality and express the solution in set notation. 2t^2 - 3 < or = to t
October 18, 2011 by Anonymous

algebra 1
Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
November 22, 2013 by malik

College Algebra-Study Material
I am going to take the CLEP (College Level Examination Program) College Algebra examine. I am trying to decide on what books I should use to prepare for this examine. The following is what is going to be covered in this examine: 25% Algebraic operations Factoring and expanding...
November 28, 2008 by G

Algebra
Solve the following linear inequality graphically. x+2y<4 x-y<5 Each inequality is satisfied in a particular region of an x,y plot. The first inequality is satisfied below the line y = -x/2 + 2, for example. The second inequality is satisfied above the line y = x + 5. ...
June 3, 2007 by Graphing Help!

Solving Inequalities Using Addition or Subtraction
4) Solve. 2.7 < b + 5 (1point) b>7.7 b>-2.3*** b<2.3 b< -7.7 5) You have a gift card for your favorite clothing store for the amount of $60. You have found a shirt you want to buy that costs $15. If you dont want to spend more than the amount of the gift card, ...
October 5, 2013 by Gabby

Math
I am solving inequalities then graphing my solution. in a problem such as -2(c-1)<-22 how do i solve this? and also how do i know the greater then less then sign is going the right way?
May 1, 2011 by Christina

algebra 1
Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
November 23, 2013 by malik

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