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# How are equations and inequalities used in the world?

Updated: 12/4/2022

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Q: How are equations and inequalities used in the world?
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### What is the difference between inequalities and equations using adding?

equations have an = sign, inequalities do not

### Can a system of equations have more than two inequalities?

A system of equations can have any number of inequalities.

### What are the two rules for inequalities which do not occur in equations?

Inequalities are not reflexive. Inequalities are not commutative.

### How are equations and inequalities different?

Equations have and can only have a = Inequalities have &lt;, &gt;, greater than or equal to, less than or equal to, or =

### Compare and contrast equations and inequalities?

Inequalities and equations are both the same because they are both mathematical expression and they both use the same steps EXCEPT for the end. Inequalities and equations are both different because equations have an equal sign, the answer is not an interval, and the answer is a specific answer. Not a range. While inequalities don't have an equal sign, its answer is an interval, and it's answer is in a range.

### How are the rules for solving inequalities similar to those for solving equations?

Solving inequalities and equations are the same because both have variables in the equation.

### What has the author Wolfgang Walter written?

Wolfgang Walter has written: 'Differential and integral inequalities' -- subject(s): Differential equations, Integral inequalities, Integral equations

### What types of equations or inequalities describe points x y that lie on a circle?

Linear equations or inequalities describe points x y that lie on a circle.

### How can equations and inequalities help a business maximize profit or minimize costs?

Equations and inequalities help maximize profit in a business by simultaneously optimizing the growth and profitability.

### Are their similar things about inequalities and equations?

They both have variables.

### How do you know if a system has one solution?

If the equations or inequalities have the same slope, they have no solution or infinite solutions. If the equations/inequalities have different slopes, the system has only one solution.

### What has the author Enzo Mitidieri written?

Enzo Mitidieri has written: 'Apriori estimates and blow-up of solutions to nonlinear partial differential equations and inequalities' -- subject(s): Differential equations, Nonlinear, Differential equations, Partial, Inequalities (Mathematics), Nonlinear Differential equations, Partial Differential equations