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Ahat [919]
2 years ago
11

1. If the area of a circle is 81pi square feet, find its circumference.

Mathematics
1 answer:
My name is Ann [436]2 years ago
4 0

Answer:

the circumference is 18 pi feet.

Step-by-step explanation:

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What is the standard form of 3+5x-4x^2<br>and what is the standard form of 8x+x+5+x^3​
harina [27]

Answer:

1. -4x^2 + 5x + 3

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Step-by-step explanation:

hope this helps

4 0
2 years ago
Which is the side length of a cube with a volume of 1331 m3?
suter [353]
Let's remember the equation for the volume of a cube:
V= x^3 where x is the length of one side
Since a cube has equal length for length, width, and height.

Now, use what you're given
V= 1331

And put that in terms of x
x^3 = 1331

Now solve for x!
x= cube root (1331)

Think about it! cube root of 1331 * cube root of 1331 * cube root of 1331... will equal 1331 m^3!

Hope this helps
8 0
2 years ago
How to simplify (1-p)(1+p+p^2+p^3+p^4+p^5+p^6)?
Jlenok [28]
Use FOIL
<span>(1-p)(1+p+p^2+p^3+p^4+p^5+p^6)
</span><span>1+p+p^2+p^3+p^4+p^5+p^6 -1p - p^2 - p^3 - p^4 - p^5 - p^6
</span><span>1 + p -1p <------------------Answer</span>

7 0
3 years ago
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