We can say that:
8x = -2ax
8 = -2a
a = -4
22y = - 2by
22 = -2b
b = -11
37 = a² + b² - r²
37 = (-4)² + (-11)² - r²
r² = 16 + 121 - 37
r² = 100
r = 10
With all this information, we can say that:
The center of the circle is: (-4 ; -11)
and the radius of the circle is r = 10
P.S:
(a - x)² + (b-y)² = r²
a² - 2ax + x² + b² -2by + y² - r² = 0
x² + y² -2ax - 2by + a² + b² - r² = 0
You mean their sum is 12?
A) x + y = 12
B) x -y = 4 then we add both equations:
2x = 16
x = 8
y = 4
This problem is related to the concept composite function
Answer:
6.4 cm
Step-by-step explanation:
Area of triangle = 17.28 cm²
Answer:
725.95
Step-by-step explanation:
If you multiply 129.95*5. You get 649.75, but you have to add 76.20 from the delivery and you get 725.95
Hope this helps =)
