3 years ago

Hong has a rope that is 9 meters long. He cuts away a piece that is 3.28 meters long. How long is the remaining piece of rope?

Mathematics

1 answer:

erik [133]3 years ago

7 0

Answer:

5.72 meters of rope left

Step-by-step explanation:

9.00

5.72

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Answer:

Value of the test statistic, $z_{test} = - 1.17$

Step-by-step explanation:

Null hypothesis, $H_{0}: \mu = 53.9$

Alternative hypothesis, $H_{a} : \mu \neq 53.9$

Sample mean, $\bar{X} = 53.7$

Sample size, n = 110

Standard deviation, $\sigma = 1.8$

Significance level, $\alpha = 0.02$

The value of the test statistics is given by the formula:

$z_{test} = \frac{\bar{X} - \mu}{\frac{\sigma}{\sqrt{n} } } \\z_{test} = \frac{53.7 - 53.9}{\frac{1.8}{\sqrt{110} } } \\z_{test} = - 1.17$

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Answer:

The answer is 9

Step-by-step explanation:

All you need to do is divide the two numbers and you will get 9. Trust me I did this one:)

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3 years ago

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Novay_Z [31]

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What are the values for the coefficients and constant term of 0 = 2 + 3x2 - 5x?

pav-90 [236]

Answer:

Step-by-step explanation:

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4 years ago