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marissa [1.9K]
4 years ago
13

Need help ASAP please please

Mathematics
2 answers:
natali 33 [55]4 years ago
5 0
Open end arrow pointing to the right from -9 to past -2

For all x >-9 is any number on the number line above, to the right of -9
Rama09 [41]4 years ago
4 0

Answer:

-10,-11, -12

Step-by-step explanation:

All are bigger

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A data set has a mean of 150 and standard deviation of 13. The unusual values are those that are less than
zhuklara [117]

Using z-scores, it is found that the unusual values are those that are less than 124.

---------------------------

The z-score of a measure X in a data-set with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations X is from the mean.
  • Measures that are<u> more than 2 standard deviations from the mean</u> are unusual.
  • Z < -2 means that the measure X is unusually low.
  • Z > 2 means that the measure X is unusually high.

In this problem:

  • Mean of 150, thus \mu = 150.
  • Standard deviation of 13, thus \sigma = 13.

Z = \frac{X - \mu}{\sigma}

-2 = \frac{X - 150}{13}

X - 150 = -2(13)

X = 124

Unusual values are those that are less than 124.

A similar problem is given at brainly.com/question/15315313

6 0
3 years ago
Solve for x.<br> 2(5x – 2) – 2x– 2 = 34
BigorU [14]

Answer:

x =5

Step-by-step explanation:

2(5x – 2) – 2x– 2 = 34

Distribute

10x-4-2x-2 = 34

Combine like terms

8x -6 = 34

Add 6 to each side

8x-6+6 = 34+6

8x = 40

Divide by 8

8x/8 = 40/8

x =5

3 0
3 years ago
Read 2 more answers
What is y &lt;-x+2 on a graph???
sertanlavr [38]
Tada! Hope that helps. :)

3 0
3 years ago
DeanR where.are youuu i need ur helppppppp
Tatiana [17]

Do the formula length times width times height.

Then, round like you normally would!

And for the second one, just multiply 2.5 x 6!

8 0
4 years ago
Read 2 more answers
A) single step Equation <br><br> 1) X + 7 = 9
pshichka [43]
X=2
subtract 7 from both sides
6 0
3 years ago
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