Answer:

or

Considering ![\theta \in (0, 2\pi]](https://tex.z-dn.net/?f=%5Ctheta%20%5Cin%20%280%2C%202%5Cpi%5D)

or

Step-by-step explanation:

We have:

Therefore,

or

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or

Step-by-step explanation:
3/6=k/7
cross multiply then
6k=21
divide by the coefficient of k
k=3.5
Answer:
12.Dragon
13.You could round each to the nearest 10. estimate is 360
Step-by-step explanation:
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Answer: 
Step-by-step explanation:
use probability
the chances of you getting heads on a coin is 50% therefore, flipping two coins is just

Answer:
Step-by-step explanation:
Formula
r = ∛(V/( pi * 4/3)) Invert the 4/3 and multiply the numerator by 4
Solution
r = ∛ 3 V / (4 pi )) Substitute values
r = ∛ 3 * 2304 / 12.56 4*pi = 4 * 3.14 = 12.56. Multiply 3 * 2304
r = ∛ 6912 / 12.56 Divide
r = ∛ 550.3187 Take the cube root
r = 8.195