What is −1.64 as a mixed number in simplest form.

Mathematics

1 answer:

Llana [10]3 years ago

4 0

Answer:

$-1\dfrac{16}{25}$

Step-by-step explanation:

$-1.64 = \dfrac{-164}{100}$

Strike with 4th table

$= \dfrac{-41}{25}= -1\dfrac{16}{25}$

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Midline: it is a horizontal line where half of the function above it and half of the function is below it.

Amplitude: It means how far the function varies from the midline to the above and below.

Period: the distance between two consecutive maximum points (minimum points).

3) From the graph,

$\begin{gathered} \text{Midline}=\frac{Maximum\text{ point+ minimum point}}{2} \\ =\frac{3+(-1)}{2} \\ =\frac{3-1}{2} \\ =\frac{2}{2} \\ =1 \end{gathered}$

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$\text{Amplitude =}2$

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$\begin{gathered} \text{Period}=6 \\ \Rightarrow b=\frac{2\pi}{6} \end{gathered}$

4) The trigonometric equation is,

$\begin{gathered} y=a\cos (b(x-c))+d \\ a=\text{ amplitude} \\ b=\text{period} \\ c=\text{ phase shift} \\ d=\text{ vertical shift} \\ y=2\cos (\frac{2\pi}{6}x)+1 \end{gathered}$

Answer: