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Mashcka [7]
3 years ago
15

Write an equation to find the total number of the hours h the instructor exercises in any number of weeks w.

Mathematics
1 answer:
8090 [49]3 years ago
3 0

Answer:

wh/w=h

Step-by-step explanation:

in a day the no.  of hours are h and ythe no of weeks are w

so wh/w=h

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Which point should Polly connect to point E to make a 30° angle?
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Answer:

D.

Step-by-step explanation:

If she connects it to any other point the angle would be more then 30 degrees.

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Find the x intercept for the graph, 3x-14y+12=0
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The x-intercept would be (-4,0)
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Since the Boston marathon began in 1897, the finish time has been incrementally decreasing. The mean finish time to date is 231
morpeh [17]

Answer:

hello your question lacks the required options but i will provide a general answer to your question

answer : The mean value  and the standard deviation would allow us use a Z-score

Step-by-step explanation:

mean value = 231 minutes

standard deviation ( std ) = 40 minutes

sample size = 40

The parameters that would be applicable while use Z-score are : The given mean value and the standard deviation

This is because the value of a z-score gives us an information on how far we are from the mean score i.e. number of standard deviations

+Zscore means that the score  is above the average value

-Zscore means that the score is below the average value

7 0
3 years ago
Write a statement that correctly interprets the confidence interval. Choose the correct answer below. A. One has 90​% confidence
poizon [28]

Answer:

B. <em>There is a 90​% chance that the true value of the population proportion will fall between the lower bound and the upper bound. </em>

Step-by-step explanation:

A. <em>One has 90​% confidence that the sample proportion is equal to the population proportion. </em>

Confidence interval gives an interval estimate, not an equality

B. <em>There is a 90​% chance that the true value of the population proportion will fall between the lower bound and the upper bound. </em>

<em>Ture. </em>

<em>C.</em><em> One has 90​% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion. </em>

Also true but <em>One has 90​% confidence is not good interpretation. </em>

<em>D</em><em>. 90​% of sample proportions will fall between the lower bound and the upper bound.</em>

<em>Lower bound and upper bound is given to estimate population proportion. </em>

4 0
3 years ago
George bought 6 gallons of gasoine for $20.34.
Kryger [21]

Answer:

Step-by-step explanation:

Divide 20.34 by 6 and you should get 3.39

5 0
3 years ago
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