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anzhelika [568]
2 years ago
14

-8(6+3)/12+(4*5) how to solve

Mathematics
1 answer:
iragen [17]2 years ago
3 0

Answer

-40

Step-by-step explanation:

So first I am going to rewrite so I can understand it better

-8(6 + 3) / 12 + (4 x 5)

Distribute

-48 - 24 / 12 + (4 x 5)

Multiply

-48 - 24 / 12 + 20

Divide

-48 - 12 + 20

Subtract

-60 + 20

Add

-40

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<h3>What is Mean?</h3>

The average of a group of numbers is simply defined as the mean. In statistics, the mean is regarded as one of the indicators of central tendency.

Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week.

Fourteen people answered that they generally sell two cars; nineteen generally sell three cars; twelve generally sell four cars; nine generally sell five cars; eleven generally sell six cars.

Then the mean of the sample will be

\rm Mean = \dfrac{1}{N} \times \Sigma _{i}   \ \ x_if_i

Then the table is given below.

Then we have

\rm Mean = \dfrac{1}{65} \times (244)\\\\\\Mean = 3.7538\\\\Mean \approx 3.75

More about the mean link is given below.

brainly.com/question/521501

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