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harina [27]
3 years ago
12

8c + 18 = 34 please help

Mathematics
2 answers:
Elanso [62]3 years ago
7 0

Answer:

2

Step-by-step explanatthe answer is 2

11111nata11111 [884]3 years ago
6 0

Answer:

c= 2

Step-by-step explanation:

Simplifying

8c + 18 = 34

Reorder the terms:

18 + 8c = 34

Solving

18 + 8c = 34

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-18' to each side of the equation.

18 + -18 + 8c = 34 + -18

Combine like terms: 18 + -18 = 0

0 + 8c = 34 + -18

8c = 34 + -18

Combine like terms: 34 + -18 = 16

8c = 16

Divide each side by '8'.

c = 2

Simplifying

c = 2

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Answer:

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And the best option for this case would be:

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Step-by-step explanation:

Information given

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The confidence interval for the mean is given by the following formula:

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The degrees of freedom, given by:

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Since the Confidence is 0.98 or 98%, the significance would be \alpha=0.02 and \alpha/2 =0.1, and the critical value would be t_{\alpha/2}=2.42

Replacing we got:

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And the best option for this case would be:

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3 years ago
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Step-by-step explanation:

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