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2 years ago

Simplify the expression

Mathematics

1 answer:

Masja [62]2 years ago

5 0

The solution to the expression $\frac{x^2+7x+12}{x-3} .\frac{x^2-6x+9}{2x^2-18}$ gives (x + 4)/2

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more number and variables.

$\frac{x^2+7x+12}{x-3} .\frac{x^2-6x+9}{2x^2-18} \\\\=\frac{(x +3)(x +4)}{x-3} .\frac{(x-3)(x-3)}{2(x+3)(x-3)} =\frac{x+4}{2}$

The solution to the expression $\frac{x^2+7x+12}{x-3} .\frac{x^2-6x+9}{2x^2-18}$ gives (x + 4)/2

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3 years ago

Right triangle XYZ has right angle Z. If the sin(X)=1213 , what is the cos(X)

AlekseyPX

Given:

Right triangle XYZ has right angle Z.

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To find:

The value of $\cos x$ .

Solution:

We know that,

$\sin^2(x)+\cos^2(x)=1$

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For a triangle, all trigonometric ratios are positive. So,

$\cos(x)=\sqrt{1-\sin^2x}$

It is given that $\sin(x)=\dfrac{12}{13}$ . After substituting this value in the above equation, we get

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Answer:

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Step-by-step explanation:

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Answer:

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