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3 years ago

What is the fraction for 4.5

Mathematics

2 answers:

Ann [662]3 years ago

5 0

Answer:

4 $\frac{1}{2}$

Step-by-step explanation:

<em><u>I'm not exactly sure which type of fraction you're asking for, so I'll put both.</u></em>

This would be the fraction for 4.5 because the 0.5 is half of 1, while we already have a whole number, being 4.

9 divided by 2 is 4.5, making the fraction for 4.5, $\frac{9}{2}$

Inga [223]3 years ago

4 0

Answer:

9/2

Step-by-step explanation:

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I'm always happy to help :)

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3 years ago

What is the volume of a rectangular prism with a length of 5 cm, width of 4cm, and height of

Zepler [3.9K]

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2 years ago

Read 2 more answers

One more time!

CaHeK987 [17]

Since q(x) is inside p(x), find the x-value that results in q(x) = 1/4

$\frac{1}{4} = 5 - x^2\ \Rightarrow\ x^2 = 5 - \frac{1}{4}\ \Rightarrow\ x^2 = \frac{19}{4}\ \Rightarrow \\
x = \frac{\sqrt{19} }{2}$

so we conclude that
$q(\frac{\sqrt{19} }{2} ) = 1/4$

therefore

$p(1/4) = p\left( q\left(\frac{ \sqrt{19} }{2} \right) \right)$

plug $x=\sqrt{19}/2$ into p( q(x) ) to get answer

$p(1/4) = p\left( q\left( \frac{ \sqrt{19} }{2} \right) \right)\ \Rightarrow\ \dfrac{4 - \left( \frac{\sqrt{19} }{2}\right)^2 }{ \left( \frac{\sqrt{19} }{2}\right)^3 } \Rightarrow \\ \\ \dfrac{4 - \frac{19}{4} }{ \frac{19\sqrt{19} }{8}} \Rightarrow \dfrac{8\left(4 - \frac{19}{4}\right) }{ 8 \cdot \frac{19\sqrt{19} }{8}} \Rightarrow \dfrac{32 - 38}{19\sqrt{19}} \Rightarrow \dfrac{-6}{19\sqrt{19}} \cdot \frac{\sqrt{19}}{\sqrt{19}}\Rightarrow$

$\dfrac{-6\sqrt{19} }{19 \cdot 19} \\ \\ \Rightarrow -\dfrac{6\sqrt{19} }{361}$

$p(1/4) = -\dfrac{6\sqrt{19} }{361}$

3 0

3 years ago

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3 years ago

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