Help me please! I will give brainliest for people who actually answer and are RIGHT! Also. Do NOT put "explanation is in the fil
e" because I am NOT going to get a virus.
Scientists used a special camera to look at a black hole at the center of a galaxy called the MCG-6-30-15. They saw that a great deal of matter was being pulled into the black hole from all sides of the galaxy. However, they also saw jets of matter were shooting out of the black hole at the same time. This was a new discovery about black holes.
Which detail from the passage does the image best help explain?
A: It shows a view from a special camera.
B: It shows matter flowing out of a black hole.
C: It shows all galactic matter pulled into a black hole.
D: It shows a view of the MCG-6-30-15 Galaxy.
Scientists used a special camera to look at a black hole at the center of a galaxy called the MCG-6-30-15. They saw that a great deal of matter was being pulled into the black hole from all sides of the galaxy. However, they also saw jets of matter were shooting out of the black hole at the same time. This was a new discovery about black holes.
Which detail from the passage does the image best help explain?
A: It shows a view from a special camera.
B: It shows matter flowing out of a black hole.
C: It shows all galactic matter pulled into a black hole.
D: It shows a view of the MCG-6-30-15 Galaxy.
2 answers:
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Answer:
86.7%.
Explanation:
Considering the diagram, the path of the tip of the blades is a circle.
Hence, determine the circumference of the circle.
C = 2πr = 2π * 3 ft = 6π ft.
Then determine how long the blade edges are all together.
6 in * 5 blades = 30 inches
Therefore, to determine the fraction of the circumference of 30 inches, convert circumference to inches
6π ft * (12 in ÷ 1 ft) = 72π in.
Hence, the probability of Gerald’s randomly timed shot hitting a blade of the windmill
=> 30 ÷ 72π
=> 30 ÷ [72 * (22/7)]
= 13.3%.
Finally, the probability of his shot getting past the blades is then 100 – 13.3 = 86.7%.
