3 years ago

What is x and y for f(x)=

Mathematics

1 answer:

cestrela7 [59]3 years ago

4 0

Answer:

x and y are just varibles

Step-by-step explanation:

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Write seven hundred twenty-one in standard form

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Answer:

721

Step-by-step explanation:

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3 years ago

I want to know the answer of this question

Molodets [167]

$\bf \textit{circumference of a circle}\\\\
C=2\pi r\qquad 
\begin{cases}
r=radius\\
-----\\
r=5x^2
\end{cases}\implies C=2\pi 5x^2\implies C=10\pi x^2
\\\\\\
\textit{area of a circle}\\\\
A=\pi r^2\qquad 
\begin{cases}
r=radius\\
-----\\
r=5x^2
\end{cases}\implies A=\pi (5x^2)^2\implies A=\pi (5^2x^{2\cdot 2})
\\\\\\
A=\pi (25x^4)\implies A=25\pi x^4$