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Nikitich [7]
3 years ago
6

Practise the Skill

Mathematics
1 answer:
Illusion [34]3 years ago
6 0

Step-by-step explanation:

Since 1m = 100cm,

55cm : 1m = 55cm : 100cm = 55/100 = 11/20.

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What is the rational expression in simplest form? State any restrictions on the variables.
allochka39001 [22]

According to the question, the given rational expression can be simplified which is as shown below:

Rational expression = \frac{12-4x}{x^{2} -9}=\frac{4(3-x)}{(x-3)(x+3)}

For the simplification of the given expression, calculate the factors of the numerator as well as denominator terms and divide them from each other. In this change the sign of the expression before dividing with each other.

Rational expression = \frac{-4}{(x+3)}

The rational expression are also known as polynomial expression. The highest degree of these expression is two. And these expression uses concept of factor rule.

Therefore, the final expression is \frac{-4}{(x+3)}

What is polynomial expression?

Polynomial expression are those equation whose highest degree is two. It is also called as quadratic equation. And it is simplified by performing the factors on the given expressions.

To learn more about the polynomial expression from the given link:

<u>brainly.com/question/1280754</u>

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Nat2105 [25]

The model shows that we are to arrange the factors based on the terms in the square box. The factored form is (5x+2)(2x-1)

<h3>Factorizing quadratic equations</h3>

Factorization is a way of simplify. Given the equation 10x² -x - 2

Factorize

10x² -x - 2

10x² - 5x + 4x - 2

5x(2x-1)+2(2x-1)

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We are to arrange each term of the factors in the square box

Learn more on factoring here: brainly.com/question/24734894

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