3 years ago

#15 & #16 please thanks

Mathematics

1 answer:

-BARSIC- [3]3 years ago

6 0

Answer:

15. 122.49 16.13.17

Step-by-step explanation:

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lora16 [44]

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A. $(x+5)^2+(y-8)^2=100$

Step-by-step explanation:

1. The standard form of the equation of a circle is $(x-h)^{2} + (y-k)^2=r^2$

2. To find the center we require the midpoint of the 2 given points

center = $[\frac{1}{2}(-4-6),\frac{1}{2}(11+5)]$

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3. The radius is the distance from the centre to either of the 2 given points calculate the radius using the distance formula

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