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REY [17]
3 years ago
7

How do I do standard deviation ?

Mathematics
1 answer:
Marianna [84]3 years ago
6 0
<span>Work out the Mean (the simple average of the numbers)Then for each number: subtract the Mean and square the result.Then work out the mean of those squared differences.<span>Take the square root of that and we are done!</span></span>
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Another question i will give brainlilest!
Strike441 [17]

Answer:

2π

Step-by-step explanation:

Area = πr^2

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        = 4π

4π is the area of the whole circle, so divide it in half to get the semicircle.

        <u>= 2π</u>

5 0
3 years ago
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WINSTONCH [101]

Answer:

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Step-by-step explanation:

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3 years ago
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What is the domain of y = -2x^(2)+ 8x
Vaselesa [24]
The domain is (-inf,+inf) and the range is (-inf,8]
5 0
3 years ago
Which equation is the equation of the line, in point-slope form, that has a slope of 2 and passes through the point (-8, 1)?
lutik1710 [3]

Answer:

y=2x+17

Step-by-step explanation:

y-y1=m(x-x1)

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5 0
2 years ago
Carlos earns $8 per hour for the first 40 hours that he works during a week. He earns $12 an hour for every hour he works over 4
mash [69]

Answer:

Hi there!

Your answer is:

$440 earned from working a 50 hour week

Step-by-step explanation:

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Subtract 40 from 50 to determine how many overtime hours he worked!

12× 10 = $120

320+ 120= $440

I hope this helps!

5 0
3 years ago
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