Answer:
≈ 78.55 cm
Step-by-step explanation:
Using the ratio of arc (AB) to circumference (C) is equal to the ratio of angle subtended at centre by arc AB to 360°, that is
= , that is
= ( cross- multiply )
110C = 8640 ( divide both sides by 110 )
C = ≈ 78.55 cm ( to 2 dec. places )
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Answer:
0.49
Step-by-step explanation:
for it to be rational there should not be no decimal nor pi .
Answer:
It's the last choice: (x + 5) / (x^2 - 7x + 10).
Step-by-step explanation:
x^2 - 7x + 10
= (x - 5)(x - 2)
If these are a denominator of a rational expression then 2 and 5 will be excluded values.
This is because x = 5 or x = 2 makes the denominator = zero and the function then becomes undefined.
So the answer is (x + 5) / (x^2 - 7x + 10).