math-inequalities

131,437 results

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?

math - inequalities
How many integers are common to the solution sets of both inequalities? x+7 ≥ 3x 3x+4 ≤ 5x

math-inequalities
graph solution set of system of inequalities x+y< 4 x-2y>6

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) ¡Ý 0 The or means union of these inequalities. 2. 5(p + 3) + 4 > p - 1 or 4(p - 1) + 2 > p + 8

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?

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?

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 "<")

Math
5. A system of linear inequalities is shown below: x + y ≥ 4 y < 2x – 3 Describe the steps to graph the solution set to the system of inequalities. Be specific. (10 points)

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

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 ...

Gender Inequalities
Are there any inequalities between men and women in the armed forces?

Inequalities
Write two different inequalities that you can solve by adding 5 and multiplying by -3.

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 ...

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

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

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.

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?

Math
Lesson 9: Equations and Inequalities Unit Test Algebra Readiness A Unit 7: Equations and Inequalities HELP PLS

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 ...

Math
Lesson 8: Solving Inequalities Unit Test CE 2015 Algebra 1 Unit 4: Solving Inequalities i need answers im 9 lessons behind in math and my mom just had surgery and the house is a mess if anyone understands please help!!!! ): i just dont have time

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?

math
Lesson 14: Equations and Inequalities Unit Test CE 2015 Math 7 A Unit 4: Equations and Inequalities

education inequalities
What are some inequalities in education between men and women?

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

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

Intermediate Algebra
Compound Inequalities Definition Words ◦Compound inequalities ◦And ◦Or ◦Intersection ◦Union 1). 12 < 12 + 4x < 0 2). 12 – x > 15 or 7x – 13 > 1 I divide it up the compound inequalities into two problems 12 <12+ 4x 4 x >0 or x...

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...

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 m². 1.)Write as system...

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 ...

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 ...

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...

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 ...

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. ...

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...

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? ...

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 ...

math
inequalities x-5<15

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

I don't know how to do this inequalities.... -24 < 1/2b

math
how to express inequalities

math
this is a linear inequalities 4a-3b=5

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 don't know :( SOLVING AN ABSOLUTE INEQUALITY lET X BE A VARIABLE OR AN ALGEBRATIC ...

Math
How do you solve for inequalities like this? 1< 4-x < 1.59

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

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

Math (Proving of Inequalities)
Prove: if a>0 and b>0, and a^2>b^2, then a>b.

Math
Solving inequalities |1-15x/5| < 3

Equations and Inequalities Unit Test
what are the answers to the Equations and Inequalities Unit Test. please please really help me. I have to finish it by today at 11:00.

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 ...

math
Solve this system of inequalities graphically 3-y<6, x>1, y<3

Math
Inequalities:How is 2r + 5 greater than a negative one ?

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

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

Math
I need help understanding inequalities - like a+2<-3 or d-1.9<-8.7

Math
How are inequalities related to linear equations

Math
Solving inequalities (x+3)/2 greater than equal to (2-x)/-2

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 ...

intermediate algebra
inequalities –1 ≤ x – 3 ≤ 5 –2x – 5 < –2 or x – 3 < –10 Be careful of how a negative x-term is handled in the solving process. Show all math work arriving at the solutions. •Show the solution sets written algebraically and as a union or intersection ...

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.

math/algebra
I need help with this problems graph inequalities 3x-4y<12.

math
I need help in solving two-step inequalities. 7 - 4w <_ 19

math questions
is there a site i could use to help me with compund inequalities?

math
Solve the following polynomial inequalities. a) 4x - 5 ≤ 2(x - 7)

math
Solve the following polynomial inequalities. 4x - 5 ≤ 2(x - 7)

math
How do you solve systems of inequalities in two variables?

math
How do you solve systems of inequalities in two variables?

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

Math
Find the range of value of X for each for the following inequalities 8-4x/x+5>1-x

Math (ASAP)
Solve the following inequalities. 1.) 3x + 2y < 6 2.) 2x^2 + y ≥ 2

Math
How do I solve this system of equations win inequalities? {y < 2x+2} {y> -x + 1}

Math
Lesson 14: Equations and Inequalities Unit Test

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...

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

Math
Solve the following system of linear inequalities by graphing. 3x – y < 2 x + y > 2

Math
How is graphing a system of inequalities similar and different than that of equations?

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

math
SOlve the following inequalities: 1. x^2-x-6 greater than equal to zero 2. x^3+5x^2-4x-20 > 0

Math
I forgot how to do inequalities with a rational function. The question I have is: ((3x-2)/(x-1))<1

Math
Which inequalities share some solutions with x > 3? - a x > 3 b x < 0 c x < 3 _ d x > 5 _ e x < 3 How do I solve this problem?

Math- Inequalities
Hey, how would I start off solving (x-5)(x+2)<0???

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...

algebra1
graph the system of inequalities, and classify the figure created bu the solution region. y¡Ü4x+4 y¡Ü-0.25x+4 y¡Ý4x-1 y¡Ý-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)...

algebra1
graph the system of inequalities, and classify the figure created bu the solution region. y¡Ü4x+4 y¡Ü-0.25x+4 y¡Ý4x-1 y¡Ý-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)...

Math
Im in advanced math and were doing Graphing Inequalities and im not sure how to do it.

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 + ...

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

Solve the following system of linear inequalities by graphing. 3x – y < 2 x + y > 2

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} ?

math
solve the following polynomial and rational inequalities 2x^2+x-6>0 i need some help with this

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

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

Math
So, my teacher wants me to sketch the graph of a system of inequalities but I'm not sure how. Can someone help me? Thank you! 3x + 2y < 6 x > 0 y > 0

Math 222
Please help me with inequalities?\ 2x-1>-3 and 4x plus 5>-19 I tried doing this problem, but I am lost.

Math
The three sides of a triangle are 5, 9, and x. What inequalities gives the range of values for x?

math
if x and y are real numbers such that 0<x<y^2, then which of the following inequalities must be true? A. x<y B. y>0 C. 3x>y^3 D. x<1 E. x>3y^2

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...

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...

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

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

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

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