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aksik [14]
2 years ago
9

The minute hand on an analog clock is 8 inches long. how far does the tip of the minute hand travel in 16 minutes

Mathematics
1 answer:
Dahasolnce [82]2 years ago
5 0
We know that
<span>on an analog clock
60 minutes is equal to a circumference of 360</span>°
so
360/60-----> 6°
that means 
1 minute is equal to --------> 6°
16 minutes----------> X
x=16*6-----> 96°

the length of a circumference=2*pi*r
for r=8 in

the length of a circumference=2*pi*8-----> 50.24 in

if 360° (full circle) has a length of----------------> 50.24 in
  96°---------------------------> x
x=96*50.24/360------> x=13.40 in

the answer is
13.40 in

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Step-by-step explanation:

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2 years ago
An unfair coin with​ Pr[H] = 0.2 is flipped. If the flip results in a​ head, a marble is selected at random from a urn containin
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Normally when dealing with coins the probability of getting heads or tails is 0.5 each. However in this case since its an unfair coin, the probability of getting heads is 0.2. 
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when tails is obtained 
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using bayes rule the answer can be found out, 
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pr (H | R) = pr (R ∩ H) / {pr (R ∩ H) + pr (R ∩ T)}
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the final answer is 0.286
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