Here, we are having a quadratic equation in one variable because the highest degree is 2 and contains only one variable i.e. x
Given, equation:

Now, if we observe the terms used in the polynomial, 81x² and 100 separated by a negative sign, we can analyze and can factorise using the identity:

Consider:
So, let's factorise by using the above identity


Here, a = 9x and b = 10,

Is the factorised form of 81x² - 100
So Correct Option is: Option C
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Explanation:
Answer:
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Explanation:
Hope this helps!
Based on this line graph, the statements that are true include:
- A moderate level of conflict produces the highest level of performance.
- Teams need some conflict to do their best work.
<h3>What is a conflict?</h3>
A conflict can be defined as any form of disagreement, misunderstanding or struggle that arises between two or more parties such as members of a team, as a result of any one of the following;
In this scenario, the number of ships (performance) that were built by a team in the United States of America during each year of the war were graphically represented.
Based on the line graph, we can deduce the following statements:
- The highest level of performance was produced by a moderate level of conflict.
- In order for the teams to do their best work or demonstrate the highest level of performance, they need some conflict.
Read more on conflict here: brainly.com/question/24769299
Answer:
(b) 31.85
Explanation:
First, we need to know the z-score for a one-sided confidence interval with 95% coverage. Looking at a z-score table, this value is 1.645. Then:
