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antoniya [11.8K]
3 years ago
6

In one region, the September energy consumption levels for single-family homes are found to be normally distributed with a mean

of 1050 kWh and a standard deviation of 218 kWh. Find P45, which is the consumption level separating the bottom 45% from the top 55%.
1021.7


1148.1


1087.8


1078.3
Mathematics
1 answer:
Vinil7 [7]3 years ago
4 0

Answer:

1021.7

Step-by-step explanation:

lol i guess im sry if im wrong

if i right can i have brainliest?

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3 years ago
What is the slope of the line that is perpendicular to the line that goes through the two points (-8, 3) and (4, 27)?
Mademuasel [1]

Answer:

-1/2 or -0.5

negative half

Step-by-step explanation:

slope of regular line= (y1-y2) / (x1-x2)

(27-3) / (4 - -8)

24 / (4+8)

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the slope of a perpendicular line is the negative reciprocal

the negative reciprocal of positive 2/1 (2 as a fraction) is:

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2 years ago
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Ira Lisetskai [31]

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Step-by-step explanation:

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7 0
3 years ago
Which of the following equations have no solution? Check all that apply.
Vinil7 [7]

Answer:

A and E

Step-by-step explanation:

6 0
3 years ago
A crane lifts a 425 kg steel beam vertically a distance of 66 m. How much work does the crane do on the beam if the beam acceler
Fiesta28 [93]
<span>The solution to the problem is as follows:

W=Fd=mad=425*1.8*66 =50490 J

Therefore, it takes </span><span>50490 J of work the crane will do to accelerate the beam upward at 1.8 m/s^2.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

</span>
6 0
3 years ago
Read 2 more answers
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