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ycow [4]
3 years ago
9

Simplify the expression below. 21 - 5² - 49

Mathematics
1 answer:
wariber [46]3 years ago
7 0

Answer:

The positive answer is 3 and the negative one is -53

Step-by-step explanation:

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1. how much do national football league (nfl) players weigh, on average? in a random sample of 50 nfl players, the average weigh
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The average weight of a random sample of 50 NFL players is 244.4 pounds.

<h3>What is an equation?</h3>

An equation shows the relationship between two or more numbers and variables.

For a samples size (n) in normally distributed population, the sample mean is normally distributed, with mean μX=μ and standard deviation σX=σ/√n.

Hence for a sample of 50 NFL players with an average weight of 244.4 pounds:

Mean = mean = 244.4 pounds

The average weight is 244.4 pounds.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

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