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ankoles [38]
3 years ago
9

In the polynomial below. -3 is one of the coefficients.2x2 – 3x + 2​

Mathematics
1 answer:
Juliette [100K]3 years ago
7 0

Not sure what the question is so I'll answer

Answer: TRUE

-3 is the coefficient of the linear term of the polynomial  2x² - 3x + 2

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Identify the type of observational study​ (cross-sectional, retrospective, or​ prospective) described below. A research company
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Answer:

Prospective study

Step-by-step explanation:

<em>A cross-sectional study, also known as transverse study, is a type of observational study that analyzes data from a population at a specific point in time.</em> This kind of observation is used if cases cannot be identified a priori or if the prevalence of the disease or condition needs to be determined.

Cohort studies are when two or more groups of subjects are followed over time to see if they develop some disease or if some event occurs, there are two type of cohort studies, prospective and retrospective. <em>Prospective studies (or follow-up studies) follow subjects with different exposures until some point in time where something happens or the study ends</em>, r<em>etrospective studies use historical data</em> to make comparisons based on risk factors or exposures that occurred before the events.

Considering the information given and the observational study exposed to the question, we can conclude that we are talking about a prospective study because data is collected over the next 10 years.

I hope you find this information useful and interesting! Good luck!

7 0
2 years ago
Two thirds of the families in smithville own their own homes. The total number of home owning families there is 480. How many fa
Leviafan [203]
X- the total number of families in Smithville<span>.
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At the same time, </span> the number of home owning families is 480.

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720 
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8 0
3 years ago
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Keith_Richards [23]

a = v^2 / r

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8 0
3 years ago
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Zinaida [17]

Answer:

x=65

Step-by-step explanation:

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