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4 years ago

4x + 108 = 144 what is the value of x

2 answers:

ivann1987 [24]4 years ago

7 0

Here is the correct answer.

4x + 108 = 144(equation)
-108 -108 (Subtract 108 both sides)
4x = 36 (simplify)
/4 /4 (divide by 4)
x = 9 (Answer)

Svetllana [295]4 years ago

3 0

The answer is x = 9 : D

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3 years ago

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The correct option is b) 4.71

Step-by-step explanation:

Consider the provided information.

Test statistic for proportion: $z=\frac{\hat p-p}{\sqrt{\frac{pq}{n}}}$

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$z=\frac{0.15-0.1}{\sqrt{\frac{0.1\times0.9}{800}}}$

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