Answer:
5x -2y = -2
Step-by-step explanation:
-2x+y=0
-7x+3y=2
Subtract the second equation from the first
-2x+y=0
7x-3y=-2
------------------
5x -2y = -2
Answer:
The 95% confidence interval is ( 27.126 , 34.674)
Step-by-step explanation:
Given
The t critical value at 0.05 level = 2.023 for the df = 39
Confidence interval = 95%
Mean

Substituting the given values we get -

Hence, the 95% confidence interval is
( 27.126 , 34.674)
Answer: 2
Step-by-step explanation: 12 and -12
Answer:
The result can be shown in multiple forms.
Exact Form:
85318531
Decimal Form:
0.01506591…
Step-by-step explanation:
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Answer:
900090090990909909090909063
Step-by-step explanation: