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ioda
3 years ago
15

Identify the variation as direct, inverse, joint or combined.

Mathematics
1 answer:
Nesterboy [21]3 years ago
5 0

Answer:

Inverse

Step-by-step explanation:

Assuming that c is a constant (the constant of proportion), s = c / (t^3) is a case of inverse variation:  As t increases, s decreases.

Hope this helps <3

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Some descriptive statistics for a Set of test scores are shown above for this test a certain student has a standardized score of
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Complete Question

The complete question is shown on the first uploaded image

Answer:

The score of the student is  x = 779.42

Step-by-step explanation:

Generally we can mathematically represent the z-score as

         z =  \frac{x - Mean}{ stDev}

Here x is the score of the student

substituting 1045.7 for the Mean, 221.9 for the stDev and -1.2 for z we have  

          -1.2 =  \frac{x - 1045.7 }{ 221.9}

=>       -266.28 =  x -1045.7

=>     x  =  -266.28 + 1045.7

=>     x = 779.42

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3 years ago
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Answer:

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Step-by-step explanation:

640/80=8

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Step-by-step explanation:

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