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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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The perimeter of a rectangle is 72 in. The base is 3 times the height. Find the area of the rectangle
Ulleksa [173]

Answer:

243 inches squared

Step-by-step explanation:

1) The total perimeter for each part is 8x.

2) 72 divided by 8 = 9

3) height = 9 base = 27

4) 9 x 27 = 243 inches squared

8 0
3 years ago
5 − (x + 5) > −2(x + 4) will give brainliest
kodGreya [7K]

Answer:

x>-8

Step-by-step explanation:

5 − (x + 5) > −2(x + 4)

Distribute the minus sign and the -2

5 - x -5 > -2x-8

-x > -2x-8

Add 2x to each side

-x+2x > -2x+2x-8

x>-8

6 0
3 years ago
The table shows the amount of sugar needed to make lemonade. Are the quantities proportional? Explain which method you used and
melomori [17]

Answer:

Yes, the quantities are proportional.

Step-by-step explanation:

To determine whether they were proportional or not, I compared the ratio of grams of sugar to servings in each pair of data points. 4/2, 6/3, 8/4, and 10/5 were the four points. All of them can be simplified to 2/1, which tells us that each serving of sugar is 2 grams, no matter how many servings are counted. This means that the amount of sugar grows in direct proportion to the number of servings.

8 0
2 years ago
Someone please help!!! <br> What is the volume of the container?
stellarik [79]
I think its the second one
3 0
2 years ago
Divide.
slavikrds [6]

Answer:

(24y^3x-20y^5x^2)/(-3y^5x^2)

= y^3x(24-20y^2x))/(-3y^5x^2)

=(24-20y^2x)/(-3y^2x)

=(24/(-3y^2x))-((20y^2x)/(-3y^2x))

=(-8/y^2x)-(-20/3)

=-8/y^2x + 20/3

7 0
2 years ago
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