Solve the equation.

Mathematics

1 answer:

Hitman42 [59]3 years ago

4 0

(x+4)(x+6)=0
x = -4, x=-6

The answer is C.

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Step-by-step explanation:

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tensa zangetsu [6.8K]

We have the following data set:

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Then,

$\begin{gathered} \text{Range}=15-2 \\ \text{Range}=13 \end{gathered}$

Mean is represented by the following expression:

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Population variance formula looks like this:

$\begin{gathered} \sigma^2=\frac{\sum^{}_{}(x-\mu)^2}{N} \\ \text{where,} \\ \sigma^2=\text{population variance} \\ \sum ^{}_{}=addition\text{ of} \\ x=\text{each value} \\ \mu=population\text{ mean} \\ N=\text{ number of values in the population} \end{gathered}$

Then, substituting: