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PolarNik [594]
3 years ago
12

Write and solve an equation to find the value of the variable 104,137,154,131,x; mean=130

Mathematics
1 answer:
Damm [24]3 years ago
3 0
(104+137+154+131+x) / 5 = 130

The calculation part I would like to leave it for you. It's a good practice.
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If margin of error is 3% and estimated value is 6%, it means that the confidence interval would be within ±3 of the estimated value.

So, the confidence interval would be between 3% (6% - 3%) and 9% (6% + 3%)

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2 years ago
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3 years ago
The sum of two numbers is 65 one is 4 times as large as the others.what are the numbers?​
bixtya [17]
<h3><em>Hey! </em></h3>

<u>let the numbers be n and m</u>

<u>n+m=65</u>

<u>n=4m</u>

<em>So when we put our work in:</em>

<u>4m+m=65</u>

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So therefore your two numbers are 52 and 13!

<em>Hope this helped! °ω°</em>

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