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Darina [25.2K]
3 years ago
13

Rod cuts a 15 ft wire into 18 equal parts. bout how long is each part

Mathematics
2 answers:
alexandr402 [8]3 years ago
8 0

15 ft = 180 inches

180/18 = 10

Therefore, each part is 10 inches long.

V125BC [204]3 years ago
7 0

Answer:

10 inches

Step-by-step explanation:

1 foot is 12 inches, so 12 x 15= 180. Divide 180/18 to get 10 inches each. :)

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When Brooklyn runs the 400 meter dash, her finishing times are normally distributed with a mean of 76 seconds and a standard dev
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Using the Empirical Rule, it is found that her finishing time will be between 70 and 82 seconds in 95% of her races.

<h3>What does the Empirical Rule state?</h3>

It states that, for a normally distributed random variable:

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In this problem, the mean is of 76 seconds and the standard deviation is of 3 seconds, then:

76 - 2 x 3 = 70.

76 + 2 x 3 = 82.

Which means that values between 70 and 82 seconds are within 2 standard deviations of the mean, hence the percentage is of 95%.

More can be learned about the Empirical Rule at brainly.com/question/24537145

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