2 years ago

9. Teresa was taking her two children to the zoo. She purchased 1 adult ticket for herself and 2 children's

Mathematics

1 answer:

Irina18 [472]2 years ago

6 0

Answer:

plz mark as brainliest

Step-by-step explanation:

$7.9

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10. simplify the rational expression by rationalizing the denominator.( 1 point ) 4√150/√189x

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Rationalizing the denominator, simply means "getting rid of that pesky root at the bottom", and we do so by simply multiplying it by something to take it out, of course, we multiply the bottom, we have to also multiply the top,

$\bf \cfrac{4\sqrt{150}}{\sqrt{189x}}\cdot \cfrac{\sqrt{189x}}{\sqrt{189x}}\implies \cfrac{4\sqrt{150}\sqrt{189x}}{(\sqrt{189x})^2}\implies \cfrac{4\sqrt{(150)({189x})}}{189x}$

$\bf \cfrac{4\sqrt{28350x}}{189x}\qquad 
\begin{cases}
28350=2\cdot 3\cdot 3\cdot 3\cdot 3\cdot 5\cdot 5\cdot 7\\
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