We have been given an equation of circle
. We are asked to find the center and radius of the circle.
First of all, we will write equation of circle is standard form
, where center of circle is at point (h,k) and radius is r.
Let us complete the square for both x and y.


Adding half the square of coefficient of x and y term, we will get:





Therefore, the center of the circle is
and radius is 4 units.
Answer:
4
Step-by-step explanation:
Root32= 4×root2
Root32 is 4 times greater than root2
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Answer:
a. exponential growth
Step-by-step explanation:
the equation is y = 120000(1.03)^x
f(x)=a(1+r)^{x}
Just count the notches between the two points, there are 15 notches so 15 is tour answer
Answer:(E). 25:2
Step-by-step explanation:
First ratio:
Us : India is 5 : 2
Second ratio
India : British is 5 : 1
multiply(5:2) by 5 and multiply (5:1) by 2 to balance the India stamps.
Therefore now
Us : India is 25 : 10
India : British is 10 : 2
The ratio of us : British is 25:2