![]() ![]() Well-known Symbols allow the customizations to be "invisible" from normal code, which typically only read string properties. However, as more operations are added to the language, designating each operation a "magic property" can break backward compatibility and make the language's behavior harder to reason with. For example, the JSON.stringify function will attempt to call each object's toJSON() method, and the String function will call the object's toString() and valueOf() methods. Prior to well-known Symbols, JavaScript used normal properties to implement certain built-in operations. For example, if a constructor function has a method with Symbol.hasInstance as its name, this method will encode its behavior with the instanceof operator. They are known as well-known Symbols, and their purpose is to serve as "protocols" for certain built-in JavaScript operations, allowing users to customize the language's behavior. ()Īll static properties of the Symbol constructor are Symbols themselves, whose values are constant across realms.Object.prototype._lookupSetter_() Deprecated.Object.prototype._lookupGetter_() Deprecated.Object.prototype._defineSetter_() Deprecated.Object.prototype._defineGetter_() Deprecated.It means that we have to find all the natural numbers greater than or equal to 6.Īs the set of natural numbers is up to infinite, numbers that belong to the given set are 6,7,8,9,……to infinity.Įxample 5: Sourav scored 30 marks in his maths exam. Solution: Here, N is the set of natural numbers. Here x is the number of marks scored by John.Įxample 4: Find the numbers that belong to the following set. The inequality, x ≥ 50, represents the above situation. We know that the passing marks are 50 or more. Represent this statement using the greater than or equal to inequality symbol. So the inequality to represent this is 50x ≥ 5000.Įxample 3: Minimum marks that John needs to score are 50 out of 100 to clear his math exam. The total earnings should be greater than or equal to ₹5000 a day. Therefore, the total cost of x glasses of juices he sells in a day = ₹50x Let x equal the number of glasses of juice he sells in a day Solution: Cost of each glass of juice = ₹50 Write an inequality representing this situation. ![]() He targets to earn money greater than or equal to ₹5000 in a day. Here the symbol (≥) fits as Dev wants to have money equal to greater than 200 by the end of the summer.Įxample 2: A fruit shop owner sells a glass of juice for ₹50. He withdraws ₹25 every week and wishes to have at least ₹200 in the bank account by the end of the summer-Express Dev’s situation using the inequality symbol. Write the solution with complete sentencesĮxample 1: Dev has ₹500 rupees in his account at the beginning of the summer.x ≥ 50% How to Solve Word Problems of Inequality Q.Raj needs to score greater than or equal to 50% marks to clear the exam. Some Examples of Greater Than or Equal to:Ī.Here, x is greater than or equal to 17. This term shows, that the quantity or amount value limit could be equal to or greater than the limit given.When these terms are combined, they make a new term, Greater Than Or Equal To.The “is equal to” expresses that two quantities are equal.The word “greater than” expresses that one quantity is greater than the other quantity.It defines a range of values that x can take, which starts from 6 and goes to infinity. For example, x ≥ 6 means that x is either greater than or equal to 6. The line below the greater sign means “equal to”. This symbol is the “greater than” symbol ( >) with a line under it. This symbol is for linear inequalities where we don’t know if the variable’s value is greater than or equal to a specific value. It tells that the given value is greater than or equal to a particular value. ![]() The greater than or equal symbol represents inequality in math.
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