1/2 is the probability the coin would land heads up both times.
Answer:
2
Step-by-step explanation:
14x + 2 = 30
14x = 28
x = 2
If you are trying to get the answer to

Your answer would be a mixed number.
<span>4</span>
Answer: <span>A square inscribed in a circle.
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Justification:
Note that by making two perpendicular lines that intersect each other in the center of the circle, he obtains 4 equidistant points on the circumference.
So, joining each pair of neighbouring points, the image will reveal 4 congruent sides joining at right angles (90°). This is the image of a square with the four vertices on the circumference.