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ioda
2 years ago
12

Solve for the following if x = 6: (Hint: substitute 6 for the letter x and work the problem. You will work more with substitutio

n later.)
Example: 10x = 10*6 = 60

9. x - 1 ( if x = 3)

10. 12 + x ( if x = 3)

11. 5x - 7 ( if x = 3)

12. 33/x ( if x = 3)

13. 2 + 9x + 12 ( if x = 3)
Mathematics
2 answers:
MrRa [10]2 years ago
5 0
If x=6 it is
9. 5
10. 18
11. 23
12. 5.5
13.68
if x=3 it is
2
15
8
11
41
Yakvenalex [24]2 years ago
5 0

Answer:

6

Step-by-step explanation:

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Kipish [7]

<em>Option 2 </em>

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It's just the black part and the empty square under which is 1/2 and the red square with the empty square under is 1/2 so it's 1/2 x 1/2

8 0
2 years ago
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Suppose that you are conducting a survey on how many students have blue eyes in each first period classroom at Garfield Middle s
rusak2 [61]

Answer:

  • <u>The correct statement is the first one: </u><u><em>The number of blue-eyed students in Mr. Garcia's class is 2 standard deviations to the right of the mean</em></u><em> </em>

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Explanation:

To calculate how many<em> standard deviations</em> a particular value in a group is from the mean, you can use the z-score:

      z-score=(x-\mu )/\sigma

Where:

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  • \sigma  is the standard deviation

Substitute in the formula:

       z-score=(10-6)/2=4/2=2

Which means that <em>the number of blue-eyed students in Mr. Garcia's class is 2 standard deviations</em> above the mean.

Above the mean is the same that to the right of the mean, because the in the normal standard probability graph the central value is Z = 0 (the z-score of the mean value is 0), the positive values are to the right of the central value, and the negative values are to the left of the central value.

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4 0
3 years ago
Help plssssssssssssss
laila [671]

Answer: (-3,-2)

Step-by-step explanation:

3 0
3 years ago
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Jim's father bought a new car 3 years ago for
Alexus [3.1K]

30% of 50,400 = 30240.

Therefore the percentage loss is 30% over the course of 3 years.

4 0
3 years ago
The variable z is directly proportional to x. When x is 6, z has the value 60. What is the value of z when x = 11?
user100 [1]

Answer:

  110

Step-by-step explanation:

z is apparently 10 times x.

10 times 11 is 110.

6 0
3 years ago
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