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IgorC [24]
2 years ago
12

What is the value of the expression shown? 28 - 62

Mathematics
1 answer:
Paraphin [41]2 years ago
5 0

Answer:

-34........................

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Picture attached. help plz :)
dlinn [17]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
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The mean of 4 8 9 x and 2x is 6 calculate the value of x
Paul [167]

Answer:

x = 3

Step-by-step explanation:

Mathematically, the mean is the sum of the numbers divided by the count of the numbers

The count of the numbers is 5

Thus;

( 4 + 8 + 9 + x + 2x)/5 = 6

(21 + 3x)/5 = 6

21 + 3x = 6(5)

21 + 3x = 30

3x = 30-21

3x = 9

x = 9/3

x = 3

7 0
3 years ago
Can somebody answer this question correctly
serg [7]
Your answer well be 8
5 0
3 years ago
A regression model involved 18 independent variables and 200 observations. The critical value of t for testing the significance
Evgen [1.6K]

Answer:

The correct answer to the following question will be Option d (181 degrees of freedom).

Step-by-step explanation:

The given values are:

Regression model,

n = 200

Observations,

p = 18

Now,

⇒  n-p-1

On putting the estimated values, we get

⇒  200-18-1

⇒  181

So that the correct choice will be "181 degrees of freedom".

6 0
3 years ago
I need help with this equation <br> 2+38-1•74
Pepsi [2]

Answer:38.26 because 2+38=40

40-1.74 =38.26

3 0
3 years ago
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