Answer: the scale factor is 3/4
Step-by-step explanation:
Answer:
sorry I don't know
Step-by-step explanation:
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Answer:
red question= 8.5 yellow question=4.25
Step-by-step explanation:
Answer:
(x - 5)² + (y + 7)² = 81
Step-by-step explanation:
The equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k) are the coordinates of the centre and r is the radius
Here (h, k) = (5, - 7) and r = 9, thus
(x - 5)² + (y - (- 7))² = 9², that is
(x - 5)² + (y + 7)² = 81 ← equation of circle