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sattari [20]
3 years ago
9

What is the radius of of a circle with a circumference of 36π cm?

Mathematics
2 answers:
Readme [11.4K]3 years ago
5 0
I hope this helps you




Circumference=2pi.r



36pi.=2pi.r



r=36/2



r=18
Elenna [48]3 years ago
5 0
<span>The formula is simply this: C = πd where C is the circumference, pi is equal to 3.1416 and d is the diameter which equal to twice the radius. We use this equation to calculate for radius. We do as follows:
</span>
C = πd
36π = πd
d = 36

d = 2r
36 = 2r
r = 18 cm <--------OPTION A
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The vertex of the graph is (h, k) = (- 2, 36).

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In this question we have a quadratic equation of the form f(x) = a · (x - r₁) · (x - r₂) and we need to transform the expression into its vertex form of determine the coordinates of the vertex. First, we need to exprand the expression:

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Hey can you please help me posted picture of question
Ronch [10]
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P(A\cap B')=P(A)\cdot P(B'|A)
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Since P(A\cap B')= \frac{1}{6} and p(B')= \frac{7}{18}, you have the equation \frac{1}{6} = \frac{7}{18} \cdot P(A|B').
Therefore, P(A|B')= \frac{1}{6} : \frac{7}{18} =\frac{1}{6} \cdot \frac{18}{7} = \frac{3}{7}.
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