What is the answer I really need help

Mathematics

1 answer:

katrin2010 [14]3 years ago

7 0

Answer:

44.6

Step-by-step explanation:

Since the sides with the two tick marks are equal to 7.4, and there are three of these sides, they are equal to 7.4 times 3, which is 22.2. The remaining sides have 1 tick, meaning they are 11.2, meaning this is 11.2 * 2, which is 22.4. The combined perimeter is 44.6 cm.

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Rationalize the denominator. <img src="https://tex.z-dn.net/?f=%5Cfrac%7B9%7D%7B%5Csqrt%7Bx%2B3%7D%20%7D" id="TexFormula1" title

Jobisdone [24]

The result after rationalizing is $\frac{9\sqrt{x+3} }{x+3}$ .

<h3>What is Rationalization?</h3>

Rationalization can be considered as the process used to eliminate a radical or an imaginary number from the denominator of an algebraic fraction.

Here, given fraction

$\frac{9}{\sqrt{x+3} }$