Tax rates are 10% on the first $10,000 you earn and 20% on amounts over that. You earn $15,000. What is your tax?
1 answer:
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Answer:
centre = (0, 0 ) , radius = 2
Step-by-step explanation:
the equation of a circle centred at the origin is
x² + y² = r² ( r is the radius )
x² + y² = 4 ← is in this form
with centre (0, 0 ) and r = = 2