3 years ago

I need help with this

Mathematics

1 answer:

nataly862011 [7]3 years ago

8 0

45 because they are supplementary equal they are parralel

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The scale of a map is 2 cm : 21 km. find the actual distance for 9 cm on the map.

DIA [1.3K]

I hope this helps you

if 2 cm 21 km

9cm ? km

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The proportion of items in a population that possess a specific attribute is known to be 0.45. a. If a simple random sample of s

yanalaym [24]

Answer: 0.05

Step-by-step explanation:

Sampling error is the error occurs by considering sample for study instead of entire population.

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Sample size : n= 100

Sample proportion of items in a population that possess a specific attribute : $\hat{p}=0.48$

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$\text{Sampling error} =\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

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3 years ago

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topjm [15]

Answer:

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4(6j -4)

Step-by-step explanation:

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Rewriting

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Factor out the greatest common factor

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We can also factor out 4

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