Mathematics
17.03.2021 12:06
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What is the center and radius of this circumference? 5x²+5y²=20
What is the center and radius of this circumference?
5x²+5y²=20
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5x²+5y²=20
Dragon63770
4,5(69 marks)
The equation of a circle with a center of (h,k) with a radius of "r" is
looking at the given equation,
5x^2 +5y^2=20
divide 5 to both sides to get
x^2+y^2 =4
now compare that to the equatio of a circle shown above
looking at the given equation,
5x^2 +5y^2=20
divide 5 to both sides to get
x^2+y^2 =4
now compare that to the equatio of a circle shown above
clipsyden
4,8(39 marks)
Step-by-step explanation:
"A number" is the part of the question you don't know, and therefore is the variable. Let's call it 
from now on.
So, when you add a number to 13 it means you are increasing 13 by that number, or 
.
To divide it all by 2, simply put the above expression on a fraction with a denominator of 2:
And there is your answer.
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