Z=20, y=4,x=0.8
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Answer:
Reduce the expression, if possible, by cancelling the common factors.
Exact Form:
45
Step-by-step explanation:
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Answer:
The area is rational because the numbers in the formula are rational.
Step-by-step explanation:
All repeating decimals are still rational because they can be expressed as fractions. For example,
![$\frac{1}{7}=0.\overline{142857}$\end{document}](https://tex.z-dn.net/?f=%24%5Cfrac%7B1%7D%7B7%7D%3D0.%5Coverline%7B142857%7D%24%5Cend%7Bdocument%7D)
So every recurring decimal must be a fraction.
Also every terminating decimal can be represented as a fraction.
0.25 = ![\frac{1}{4}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B4%7D)
So the area is rational because the numbers are rational.
Area =
X Base X Height
Base is Rational and Height is Rational. Hence Area=Rational.
When these rational numbers are substituted into the formula,the area must be rational.
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