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Nata [24]
3 years ago
7

L 2.5.3 Quiz: Adding and Subtracting Unlike Fractions

Mathematics
1 answer:
nlexa [21]3 years ago
8 0
I think that the answer is 51/54.
First you need to find the common denominator of both fractions, 54.
1/9 is 6/54 and 5/6 is 45/54. 45+6=51. And the denominator goes on the bottom,making the answer 51/54.
Hope this helps!
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Step-by-step explanation:

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a gift box in the shape of a rectangular prism has 20 meters long, 10 meter wide and 5 meter deep. how much water can it hold
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Given the exponential model y= 200(.80)^x, tell whether the model represents exponential growth or decay. Then, tell what the gr
BaLLatris [955]

This function represents exponential decay.

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erik [133]

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P(X

And we can find this probability using the normal standard table or excel:

P(Z

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

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We are interested on this probability

P(X

And the best way to solve this problem is using the normal standard distribution and the z score given by:

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If we apply this formula to our probability we got this:

P(X

And we can find this probability using the normal standard table or excel:

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4 years ago
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Vinil7 [7]

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