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Lana71 [14]
2 years ago
9

What is the slope of a line parallel to the line with equation 2x−5y=9?

Mathematics
1 answer:
katrin2010 [14]2 years ago
4 0

Answer:

For this one the parallel slope is going to be 2/5

Step-by-step explanation:

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3 years ago
The time taken to prepare the envelopes to mail a weekly report to all executives in a company has a normal distribution, with a
telo118 [61]

Answer:

Mailing preparation takes 38.29 min max time to prepare the mails.

Step-by-step explanation:

Given:

Mean:35 min

standard deviation:2 min

and 95%  confidence interval.

To Find:

In normal distribution mailing preparation time  taken less than.

i.eP(t<x)=?

Solution:

Here t -time and x -required time

mean time 35 min

5 % will not have true mean value . with 95 % confidence.

Question is asked as ,preparation takes less than  time means what is max time that preparation will take to prepare mails.

No mail take more time than that time .

by Z-score or by confidence interval is

Z=(X-mean)/standard deviation.

Z=1.96 at  95 % confidence interval.

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or

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=35±3.92

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And by observation we can also conclude the max time from options as 38.29 min.

4 0
3 years ago
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