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cluponka [151]
2 years ago
14

Ronnie wants to lower his utility bills to save money on his monthly expenses. He discovers that if he replaces his water heater

with a solar water heater his monthly utility bills can decrease around 50% to 85%. At the end of the year ronnie wants to calculate the percentage his new solar water heater saved him in the utility bills compared to last year. Ronnie's total utility expenses for this year are $862. 40 and last year the utility expenses were $1935. 67. What percentage did ronnie save on his utlility bills by switching to a solar water heater?.
SAT
1 answer:
mote1985 [20]2 years ago
6 0
Answer:55.4%
I Hope This Helps
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Given that the manager wants to know the type of vegetarian dishes that the people prefer, the sample that is going to provide him with the most accurate data is:

  • a random group of 40 people on the street

The reason for this is because this sample has the most number and the people that are used for the sampling were chosen randomly.

A random sampling is very good because it provides an opportunity for every member of a population to be selected.

Read more on random sampling here:

brainly.com/question/24466382

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2 years ago
A 400-kg box is lifted vertically upward with constant velocity by means of two cables pulling at 40. 0° on either side of the v
amm1812

Answer:

2558 N.

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3 years ago
Identify the correct way to cite the O*NET "Motorcycle Mechanics" web page.
Ilia_Sergeevich [38]

Answer:

D is the correct answer , if im wrong sorry. hope it helps

Explanation:

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Tech a says that analog signals are continuously variable signals. Tech b says that digital signals are direct on/off signals wi
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The person that is correct based on the two statements made by Tech A and Tech B is;

Both of them.

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Now, in the real world examples of Analog signals are; current, voltage, temperature, pressure, light intensity etc.

Meanwhile, the digital signals are those that contain the digital values which are usually converted at specific instances from the analog signal.

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Read more about analogue and digital signals at; brainly.com/question/15084481

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3 years ago
Dr. smithe is designing a study to investigate whether aggressive preschoolers are likely to become aggressive adolescents. dr.
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According to the research, Dr. Smithe should use naturalistic observation to investigate aggressive preschoolers.

<h3>What are naturalistic observations?</h3>

It is a method used in research and whose basis is to observe the subjects in the place where they live, without the researcher being disturbed in the least.

This allows detailing the behavior of the subjects that we record is what, in fact, the behavior that should happen in their habitat, under those conditions, obtaining real results, without any type of alteration.

Therefore, we can conclude that according to the research, Dr. Smithe should use naturalistic observation to investigate aggressive preschoolers.

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