anonymous
  • anonymous
Express the area of each figure as a monomial. How would I solve 7x^4 if the formula is s^2 Steps on how you got the answer are appreciated, it'll help me on my test. Thanks.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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myininaya
  • myininaya
are you saying we have a square and each side has length 7x^4?
myininaya
  • myininaya
if so then you do \[(7x^4)^2=7^2x^{4 \cdot 2}\]
myininaya
  • myininaya
\[=49x^8\]

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anonymous
  • anonymous
|dw:1327185937099:dw|
anonymous
  • anonymous
not sure if the fact that it's a circle and not a square would affect the outcome of the answer..
anonymous
  • anonymous
What do you mean by "each figure"? the circle?
anonymous
  • anonymous
Yes.
anonymous
  • anonymous
So, you want the area of the circle in terms of x?
anonymous
  • anonymous
Honestly, I have no idea what this question is asking me to do.. It just tells me to express the area of the figure as a monomial.
myininaya
  • myininaya
but the figure they give you is a circle right?
myininaya
  • myininaya
\[A=\pi r^2=\pi (7x^4)^2\]
myininaya
  • myininaya
area of a circle is pi times radius squared
myininaya
  • myininaya
the radius in the circle you drew above is 7x^4
myininaya
  • myininaya
so i replaced r with 7x^4
anonymous
  • anonymous
you beat me to it myin
myininaya
  • myininaya
\[A=\pi(7^2 \cdot x^{4 \cdot 2})\] :)
myininaya
  • myininaya
\[A=49x^8 \pi\]
myininaya
  • myininaya
since 7^2=49 and x^(4 times 2)=x^8
anonymous
  • anonymous
Thank you :)

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