What is the value of z in the equation 2z + 6 = −4? 5 1 −1 −5

2 answers:

5 0

1. Subtract 6 from both sides now you would get..

2z=-10

Now divide each side by 2z and you get

z= -5

So the answer is -5

lakkis [162]3 years ago

4 0

Hey Friend! I know the answer!

In 2z + 6 = −4, we can substitute the z for -5.

1. 2(-5) + 6 = −4
2. -10 + 6= -4

Thus, your answer is -5!
Hope this helps! (Don't forget Brainliest!) :)

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Answer:

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Step-by-step explanation:

For this case a parameter represent the population data and for this case the parameter would be the true mean $\mu$ who represent the amount of gasoline they used in the previous week

And in order to estimate the parameter of interest we use a survey of n =3800 and the sample mean who represent an statistic is given by:

$\bar X = \frac{\sum_{i=1}^n X_i}{n}$