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Akimi4 [234]
2 years ago
12

Adam got 97, 70, 89, 99, 100, 78, 79, 89, 77, and 72 on his reading test. What is the mean of Adam's reading test?

Mathematics
1 answer:
ipn [44]2 years ago
5 0

Answer: 85

Add up all the numbers: 97+70+89+99+100+78+79+89+77+72=850

Divide 850 by the amount of numbers:

850/10=85

I hope this helps and good luck! :)

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eduard
<h3>Answer:  35 degrees Celsius </h3>

start at 40 on the number line. Move 5 units to the left to arrive at 35

40-5 = 35

Or you can have a vertical number line. Start at 40 and move down 5 units to arrive at 35.

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3 years ago
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Answer:

His actual score is 15

Step-by-step explanation:

Here, we are interested in calculating Wayne’s actual score on the ACT

when we say the scores have being standardized, it means the score was reported in terms of the z-score and not the initial raw scores.

Now, mathematically, for the scores to have a negative z-score, it means it is actually below the mean.

The formula for the z-score or standard score is given below;

z-score = (x - mean)/SD

where in this case, x = ? which is the score we are looking for , z-score = -0.5 , mean score = 18 and standard deviation of the scores = 6

So, substituting these values into the z-score equation, we have;

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x-18 = 6(-0.5)

x -18 = -3

x = -3 + 18

x = 15

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elena-s [515]

Answer:

x = y + v/b

Step-by-step explanation:

You can solve for x by adding v/b to both sides since that is what will isolate x the quickest and that is what you want to do when you need to solve for something.

By adding v/b to both sides, you will end up with x=y+v/b and that’s your answer!

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(Credit to math-way)

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