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2 years ago

14

Shawna lives in an apartment 9 4/5 miles from the hospital where she works. Her brother rents a room in a house 7 2/5 miles from

the law firm where he is employed. How much farther from work does Shawna live?

1 answer:

tamaranim1 [39]2 years ago

6 0

Answer:

2 2/5 miles

Step-by-step explanation:

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Let f be defined as shown.<br> What is f^-1(1)?

FinnZ [79.3K]

Answer:

From the above image when the input of f(x) is 9 the output is 1

So f^-1(1) is just the reverse when the input is 1 the output is 9

So f^-1(1) = 9

Hope this helps

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What is the measure for the following ?

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Step-by-step explanation:

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Answer:

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1 year ago

A test is normally distributed with a mean of 70 and a standard deviation of 10. Todd scores a 55 on the test. Select the answer

Jlenok [28]

Answer:

Todd's Z-score is - 0.27

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<u><em>Step(i)</em></u>:-

Given data A test is normally distributed with a mean of 70 and a standard deviation of 10.

<em>Mean of the population 'μ' = 70 </em>

<em>Standard deviation of the Population ' σ ' = 10</em>

<em>let 'x' be the random variable in normally distributed</em>

<u><em>Step(ii)</em></u>:-

<em>Given raw score 'x' = 55</em>

Todd's Z-score

$Z = \frac{x-mean}{S.D}$

$Z = \frac{55-70}{55}$

Z = -0.27

<u><em>Final answer</em></u>:-

<em>Todd's Z-score is - 0.27 </em>

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Answer:

exact form is 19/25

decimal form is 0.76

Step-by-step explanation:

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