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Juliette [100K]
3 years ago
14

What is the product of any number, x, multiplied by 1? explain how you know

Mathematics
2 answers:
gulaghasi [49]3 years ago
3 0
Any number multiplied by 1 is the number. Think about it this way. If I have 1 group of 8 apples, how many apples do I have? I have 8 apples :)
hammer [34]3 years ago
3 0
Any number that is X1 of it's self it is that number (Example: 8x1 is 8 42 x1 is 42)
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Answer: Prokhorova is more outstanding.

Step-by-step explanation: To compare scores from different distributions, first standardize it:

z-score = \frac{x-\mu}{\sigma}

where

x is the individual mean you want to compare

μ is the mean of the population

σ is standard deviation

For <u>Gertrud Bacher</u>:

z-score = \frac{129-137}{5}

z-score = -1.6 (s)

The negative sign indicates Bacher's mean is less than the mean

For <u>Yelena Prokhorova</u>:

z-score = \frac{660-600}{30}

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The positive sign indicates Prokhorova's mean is more than the mean.

Using z-score table, you determine the percentiles are:

For Bacher: Percentile = 5.5%

For Prokhorova: Percentile = 97.7%

Bacher's percentile means she is above 5.5% of the participants, while Prokhorova is 97.7% above the other competitors, which means Prokhorova have a better performance and deserves more points.

3 0
2 years ago
Math help please <br> What is the length of AC¯¯¯¯¯ ?
irina1246 [14]

Answer:

AC = 6

Step-by-step explanation:

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2x = 12 ( divide both sides by 2 )

x = 6

⇒ AC = x = 6


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Answer:

15

Step-by-step explanation:

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