Answer:
no
Step-by-step explanation:
because each sides needs to be equal together if you want a perfect triangle but it is still a troangle but not exactly so hope this helps
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Using correlation coefficients, it is found that a coefficient of -1 represents a strong negative correlation.
<h3>What is a correlation coefficient?</h3>
- It is an index that measures correlation between two variables, assuming values between -1 and 1.
- If it is positive, the relation is positive, that is, they are direct proportional. If it is negative, they are inverse proportional.
- If the absolute value of the correlation coefficient is greater than 0.6, the relationship is strong.
For this problem, we have a correlation coefficient of -1, hence it means that:
- The relation is negative, as -1 is a negative number.
- The relation is strong, as the absolute value of the coefficient is of 1, which is greater than 0.6.
More can be learned about correlation coefficients at brainly.com/question/25815006
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Answer:
![S_ {12} = 192](https://tex.z-dn.net/?f=S_%20%7B12%7D%20%3D%20192)
Step-by-step explanation:
The nth term of the given arithmetic sequence is
![U_n = 3 + 2n](https://tex.z-dn.net/?f=U_n%20%3D%203%20%2B%202n)
The first term of this series is:
![U_1 = 3 + 2(1) = 5](https://tex.z-dn.net/?f=U_1%20%3D%203%20%2B%202%281%29%20%3D%205)
The last term of this series is when
![n = 12](https://tex.z-dn.net/?f=n%20%3D%2012)
![U_ {12}= 3 + 2(12)](https://tex.z-dn.net/?f=U_%20%7B12%7D%3D%203%20%2B%202%2812%29)
![U_ {12}= 3 + 24 = 27](https://tex.z-dn.net/?f=U_%20%7B12%7D%3D%203%20%2B%2024%20%3D%2027)
The sum of the first n terms of an arithmetic series when the first an last term is known is given by:
![S_n = \frac{n}{2}(a + l)](https://tex.z-dn.net/?f=S_n%20%3D%20%20%5Cfrac%7Bn%7D%7B2%7D%28a%20%2B%20l%29)
Where a=5 is the first term and l=27 is the last term.
![S_ {12} = \frac{12}{2}(5 + 27)](https://tex.z-dn.net/?f=S_%20%7B12%7D%20%3D%20%20%5Cfrac%7B12%7D%7B2%7D%285%20%2B%2027%29)
![S_ {12} =6(32) =19 2](https://tex.z-dn.net/?f=S_%20%7B12%7D%20%3D6%2832%29%20%3D19%202)