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3 years ago

Find the value of x. A.3 B.4 C.6 D.8

Mathematics

2 answers:

irinina [24]3 years ago

7 0

BE is half of CD. So,3*8=24

USPshnik [31]3 years ago

6 0

Answer:

D. 8

Step-by-step explanation:

BE is half of CD

48/2 = 24

3x = 24

Divide both by 3

3x/3 = 24/3

x = 8

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Answer:

Step-by-step explanation:

what is the value of 10×+z=150

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z = 150 : 10

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3 years ago

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kenny6666 [7]

Answer:

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3 years ago

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Drupady [299]

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Step-by-step explanation:

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To get $f\left(g(x)\right)$ , replace $x$ in $f(x)$ by $g(x)\ \text{i.e. by}\ \sqrt{x+5}$

$\Rightarrow f\left(g(x)\right)=\dfrac{1}{\sqrt{x+5}-3}\\\\\text{Denominator must not be equal to 0}\\\\\therefore \sqrt{x+5}-3\neq0\\\Rightarrow \sqrt{x+5}\neq 3\\\Rightarrow x+5\neq 9\\\Rightarrow x\neq 4\quad \ldots(ii)$

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$x\in [-5,4)\cup (4,\infty)$

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