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zlopas [31]
2 years ago
7

6x + 2x - 3 what is the answer

Mathematics
1 answer:
skad [1K]2 years ago
3 0

Answer: 8x + 3

Step-by-step explanation:

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50 POINTS!!!!!
Makovka662 [10]

We can adjust the data by adding 4 to everything before we calculate the statistics.  Or we can calculate the statistics on the given data and just add 4 to everything at the end.  We'll get the same answer either way.

Let's sort the seven data points:  5 5 5 7 7 9 10

Those add up to 48 so the mean is 48/7 = 6.9

The one in the middle is 7 so the median = 7

The mode is the most common one, mode = 5

The range is the difference between max and min, so range = 10 - 5 = 5

In the second week we add four to everything.  Since that adds four to the min and max, the range doesn't change.

Answer: mean=10.9, median=11, mode=9, range=5

7 0
3 years ago
Please help anyone.​
Burka [1]

Answer:

- \frac{27}{7}

Step-by-step explanation:

Given

f(x) = \frac{3}{x+2} - \sqrt{x-3}

Evaluate f(19) by substituting x = 19 into f(x)

f(19) = \frac{3}{19+2} - \sqrt{19-3}

       = \frac{3}{21} - \sqrt{16}

       = \frac{1}{7} - 4

       = \frac{1}{7} - \frac{28}{7} = - \frac{27}{7}

7 0
3 years ago
A supervisor finds the mean number of miles that the employees in a department live from work. He finds x=29 and s=3.6 . Which s
qwelly [4]

Answer:

Option 3 is right

z37 is between 2 and 3 standard deviations of the mean.

Step-by-step explanation:

Let X be a random variable which represents the mean number of miles that the employees in a department live from work

X is normal (N(29,3.6)

WE have to find Z score for X

Z =\frac{x-29}{3.6}

=2.22

i.e. 37 is 2.22 std deviations from the mean.

In other words, z37 is between 2 and 3 standard deviations of the mean.

3 0
3 years ago
What is The Division expression To
Shkiper50 [21]

Answer:

4/3

Step-by-step explanation:

The number of items / How many people you need to spit it between

8 0
2 years ago
2(4x – 12) + 10 – 6x = 12
SashulF [63]

Answer:

idk what the improper fraction would be but

8x-24+10-6x=12

2x-14=12

2x=26

x=13

Step-by-step explanation:

5 0
3 years ago
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