Answer:
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Step-by-step explanation:
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
That would be -21.
-6-15= -6+(-15)
15+6 is 21. They were both negatives, so we stick with the negatives and get -21
Answer:
z>13/6
Step-by-step explanation:
6z+3>16
6z>16-3
6z>13
z>13/6