Answer: center is (-4,2) radius is 4
Step-by-step explanation:
Equation of circle
is (X-A)^2+(X-B)^2=r^2
The center Of The circle is (A, B)
The radius Of The circle is r
Comparing the given equation and the equation of a circle we get the center Of The circle as (-4,2) and then radius as 4
Answer:
A
Step-by-step explanation:
There are 1000 mm in one meter
and there are 10 mm in one cm
so
1000 + 20(10) = 1200mm
Therefore the answer is 1200mm
I think the correct answer is B.
Answer:
![\huge\boxed{A=x^2+12x+35}](https://tex.z-dn.net/?f=%5Chuge%5Cboxed%7BA%3Dx%5E2%2B12x%2B35%7D)
Step-by-step explanation:
The formula of an area of a rectangle:
![A=lw](https://tex.z-dn.net/?f=A%3Dlw)
<em>l</em><em> - length</em>
<em>w</em><em> - width</em>
We have
![l=x+7\\\\w=x+5](https://tex.z-dn.net/?f=l%3Dx%2B7%5C%5C%5C%5Cw%3Dx%2B5)
Substitute:
![A=(x+7)(x+5)](https://tex.z-dn.net/?f=A%3D%28x%2B7%29%28x%2B5%29)
Use FOIL <em>(a + b)(c + d) = ac + ad + bc + bd</em>
<em></em>
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combine like terms
![A=x^2+(5x+7x)+35\\\\A=x^2+12x+35](https://tex.z-dn.net/?f=A%3Dx%5E2%2B%285x%2B7x%29%2B35%5C%5C%5C%5CA%3Dx%5E2%2B12x%2B35)