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Ray Of Light [21]
3 years ago
15

4. Solve x -- 7 = 25. A 18 B 32

Mathematics
2 answers:
MAVERICK [17]3 years ago
5 0

b okay it b good

jwnsndm

skskxkmxxmcmc

jsjdkdjxkxxkxi

gregori [183]3 years ago
3 0

Answer:

B

Step-by-step explanation:

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Choose the correct definition of a sampling distribution. The sampling distribution of a statistic of size isa.the distribution
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Answer:

The answer is Option D:

<em>"The distribution of all values of the statistic resulting from all samples of size taken from the same population."</em>

<em />

Step-by-step explanation:

First, is a distribution of all values. It has to include all the possible values of the statistic with its associated probability.

Second, is a distribution of a statistic because we are talking about sample results.

Third, it has to be taken from the same population and have to have the same sample size.

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Step-by-step explanation:

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<u>Answer</u>

9+√14


<u>Explanation</u>

To Rationalize the denominator of 5-√7/9-√14.

To rationalize this we multiply both the denominator and denominator by the conjugate of the denominator.

The denominator is 9-√14 and its conjugate is (9+√14).

(5-√7)/(9-√14) = (5-√7)(9+√14)/(9-√14)(9+√14)

                        =  (5-√7)(9+√14)/(9²-14)

                       = (45 + 5√14 - 9√7 - √98)/(81-14)

                        =  (45 + 5√14 - 9√7 - √98)/67

                        = (45 + 5√14 - 9√7 - 7√2)67

This is the rationalized expression.  

The denominator is (9-√14) and its conjugate is (9+√14).

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3 years ago
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Give an example of an equation that is true.
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Answer:

5 + 4 = 9

Step-by-step explanation:

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