A flower chain of length 48 cm is used to form the entrance of a model building. The entrance is in rectangular shape and both ends of the flower chain touch the horizontal ground. Example 3.18 (a) Find the maximum area of the entrance. entrance (b) (i) EXplain (ii) If the height of the entrance must be greater than the width, explain briefly whether the area of the entrance can attain its maximum in (a). Find the width of the entrance when its area is a maximum. ground

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A: this is a simple equation question  we will simplify by using the maths calculation rule.

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A: This is is simple factorization question  Formula used (a2-b2)=(a+b)(a-b)

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Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.