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lubasha [3.4K]
3 years ago
10

Solar energy is considered by many to be the energy of the future. A recent survey was taken to compare the cost of solar energy

to the cost of gas or electric energy. Results of the survey revealed that the distribution of the amount of the monthly utility bill of a 3-bedroom house using gas or electric energy had a mean of $120 and a standard deviation of $11. If the distribution can be considered bell shaped, what percentage of homes will have a monthly utility bill of more than $109? Group of answer choices approximately 16% approximately 32% approximately 84% approximately 95%
Mathematics
1 answer:
ycow [4]3 years ago
8 0

Answer:

The answer is 132

Step-by-step explanation:

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Aleksandr [31]

Answer:

Step-by-step explanation:

7 0
3 years ago
Which graph represents a proportional relationship?
Vadim26 [7]

Answer:

The one shown in the photo

Step-by-step explanation:

A proportional relationship is one in which the relationship increases steadily, which looks like a straight line when graphed. Also, the line should pass through the <em>origin</em>, which is the point (0, 0) on a graph.

The graph shown increases steadily (it's a straight line), and passes through the origin (point 0,0) as well. So, it's proportional. Hopefully that's helpful! :)

7 0
3 years ago
Compute the sales tax on the following transactions. An article retails for $37.50. The city sales tax is 6%, and the federal ex
ratelena [41]
First you must find the rate of both taxes. Since its 8% and 6%, you must add them both together, then divide them by 100. 

14/100 = .14

Then for both rates you must add 1 because it is a tax increase.

1 + .14 = 1.14

Finally times 37.50 with 1.14

37.50(1.14) = <span>42.75
</span>
<span>$42.75 is the answer.</span>

 
7 0
3 years ago
Read 2 more answers
PLEASEEEE
Jobisdone [24]
<h3>Answer:  9.4 feet</h3>

Work Shown:

sin(angle) = opposite/hypotenuse

sin(22) = x/25

x = 25*sin(22)

x = 9.3651648353978

x = 9.4

Your calculator needs to be in degree mode. One way to check is to compute sin(30) and you should get 0.5 or 1/2.

3 0
2 years ago
Ur getting paid $360 per day.....get sick and leave after 1/5 of the day
zheka24 [161]

Answer:

You would earn $72 that day.

Step-by-step explanation:

$360 / 5 = $72

$72 * 5 = $360

Hope this helps!

8 0
3 years ago
Read 2 more answers
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