Answer:
9 1/11
Step-by-step explanation
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Answer:
Centre: (5,0)
Radius: 4
Step-by-step explanation:
r² = 16
r = 4
Answer:
10.5
Step-by-step explanation:
because 10.5x2=21. and 45+13+21=79, 100-79= 21.
Step-by-step explanation:
stating the ratios as fractions, setting the two fractions equal to each other, cross-multiplying, and solving the resulting equation