In system A, the first equation multiply by 4
8x - 4y = 12 (1st)
3x + 4y = 10 (2nd)
--------------------add
11x = 22
So answer is B.
Answer:
For the reasons mentioned in the explanation section, it is indeed a weak generalization:
Step-by-step explanation:
- No, there is not enough data provided on certain subjects' age, socioeconomic status, etc. that may have influenced the investing decision.
- No, the survey isn't random, the study is irregular because each has a fair probability of expressing their true beliefs, here in this query it's written they've been told individuals are given actual medication, which may have contributed to the Hawthorne studies giving incorrect outcomes.
- No, the amount isn't sufficient mostly on the premise of 28 subject areas with be provided oxytocin, and therefore only one test being performed should we not be able to determine the results to implement for certain persons including billions of populace, it would be a hurried generalization.
i think this answer would be C that would be my choice :)
Answer:
I am very confused by this
Step-by-step explanation:
so I'ma say yes
Yes.The second factor is the difference of 2 squares,
so the second factor alone becomes
(x² - 4) = (x + 2) (x - 2)