Expand the following: a) 3(x + 5) b) 4(x-4) c) 2(5x + 1) d) 7(x-9y)
2 answers:
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Answer:
<h2>X =Step-by-step explanation:
We need to find the translation for which, (-3, 1) becomes (1, 5).
-3 will become 1, if it is divided by -3.
Hence, the translation for x axis is X = .
1 will become 5, when it is multiplied by 5.
Hence, The translation for y axis is Y = 5y.
Solution :
The monthly average salary and the standard deviation of the salaries of five different countries are provided. A person is interested in the relationship between the job performance, job satisfaction and the job compensation of the five different countries and try to compare them.
She calculated the z scores for accounting that makes $ ,500 per month as :
Country z-score for salary $ 1,500
Brazil
US
China
Slovakia
Kuwait
From above it is clear that an account from China getting z score of 53.83 will ne more pleased than other countries because the salary of $1,500 in one month for this particular country corresponds to the highest z score.