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SCORPION-xisa [38]
3 years ago
7

I need help please and thank you

Mathematics
2 answers:
nasty-shy [4]3 years ago
7 0

Answer:

x=28

Step-by-step explanation:

x-4 =8(3)

x-4 =24

x= 28

ra1l [238]3 years ago
5 0
Answer:
x-4= 8(3)
x-4= 24
x= 28
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3 years ago
10. simplify the rational expression by rationalizing the denominator.( 1 point ) 4√150/√189x
ddd [48]
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\\
\qquad 2\cdot 3^2\cdot 3^2\cdot 5^2\cdot 7\\
\qquad 2\cdot (3^2)^2\cdot 5^2\cdot 7\\
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\end{cases}\implies \cfrac{4\sqrt{14\cdot 45^2}}{189x}
\\\\\\
\cfrac{4\cdot 45\sqrt{14}}{189}\implies \cfrac{180\sqrt{14}}{189x}\implies \cfrac{20\sqrt{14}}{21x}
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X<span> ≤30
hope this helped</span>
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guapka [62]
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4 0
3 years ago
Read 2 more answers
Help me find the answer
solmaris [256]
I possibly think it is c that is what I got
8 0
3 years ago
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