2 years ago

The answer and how to do it

Mathematics

1 answer:

Taya2010 [7]2 years ago

6 0

I really think it’s Senior because it has the highest Average score.

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What is (9x 2/3) x 2/3

Montano1993 [528]

Answer:

Step-by-step explanation:

(9 x 2/3) x 2/3

9x 2 = 18

18/3 = 6

6 x 2 = 12

12/3 = 4

(9 x 2/3) x 2/3 = 4

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1 year ago

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Solve. x + 9 = –15 x = [1] <br><br> help please

max2010maxim [7]

Answer:

1/2

Step-by-step explanation:

x + 9 = -15x = [1]

x - x + 9 = -15x -x = 1

9 - 1 = -16x

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3 years ago

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Ghella [55]

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2 years ago

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A set of average city temperatures in May are normally distributed with a mean of 20.66 ^\circ \text{C}20.66

Angelina_Jolie [31]

Answer:

0.9962

Step-by-step explanation:

The z score shows the number of standard deviations by which the raw score is above or below the mean. If the raw score is above the mean then the z score is positive but if the raw score is less than the mean then the raw score is negative. The z score is given by:

$z=\frac{x-\mu}{\sigma}\\ \\\mu=mean,\sigma=standard\ deviation, x=raw\ score$