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Gwar [14]
3 years ago
11

3(3x-4)-7=8 Solve for x and explain

Mathematics
2 answers:
puteri [66]3 years ago
6 0

Answer:

x=8

Step-by-step explanation:

zhenek [66]3 years ago
3 0

Answer:

x=3

Step-by-step explanation:

(3 • (3x - 4) -  7) -  8  = 0

  9x - 27  =   9 • (x - 3)  

  9 • (x - 3)  = 0  

x-3 = 0  

x=3

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Answer:

Assuming that this data is used to conduct a hypothesis test to test the manufacturers' claim, the test statistic we an use is:

the paired sample t-test.

Step-by-step explanation:

a) Data and Analysis:

Subject   Before   After

1                 225      215

2                245     240

3                 188      188

4                210       212

5               282       175

6               275      260

7               230      225

8               195      200

9               190       185

b) The paired sample t-test is used to compare the means from the same dataset but at different times (say, one month apart).  It supports the comparison of sample data before and after the data subjects have taken the dietary supplement.  When the t-value is high, it is an evidence that the null hypothesis should be rejected.  The higher value of the t-test, therefore, indicates that there is a large difference between the two sample sets.  On the other hand, a small t-value shows similarity between the two sample sets.

3 0
3 years ago
What is the greatest common factor of six and eight
iragen [17]

Answer:

2

Step-by-step explanation:

6 = 1,2,3

8 =1,2,4

Common factors = 1,2

GCF/HCF = 2

I hope this helps too :)

4 0
3 years ago
In which quadrant of the coordinate graph does point F lie?
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4 buddy now don’t forget that Brainly answer
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A is a function because the x does not repeat
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