Answer:
0.5, 3/5, 0.78
Step-by-step explanation:
In order to help explain how you came to your answer. It also helps when marking or reviewing because it's easier to find any mistakes
The standard form: Ax + By = C
y = 90 - 15x <em>add 15x to both sides</em>
<h3>15x + y = 90</h3>
4.05x10^5 km^<span>2 is the answer to your question.
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Answer:
area of larger circle : 9π = 28.27
area of smaller circle: 4π = 12.57
area of shaded region: 15.71
Step-by-step explanation:
area of a circle = πr^2
I think these are right i dont know tho