Answer:
Sometimes
Step-by-step explanation:
I’ll give you an example so you can understand:
Let’s say x is 4. So plug 4 into the problem:
|4|=4 → This is a very true statement, where the absolute value of 4 is equal to 4.
Now, let’s say x is -7. So plug -7 into the problem:
|-7|=-7 → This is a false statement because it’s saying that the absolute value of -7 is -7 which is very untrue.
So |x|=x only works for positive numbers, but not negative numbers. Therefore, |x|=x is the absolute value of x <u>sometimes.</u>
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Hope this helps and answers your question! :)
Answer:
$9,840
Step-by-step explanation:
Let the money earned from college be 'x'.
Given:
Total money earned from the two jobs = $50,450
Money earned at the store = 1250 + 4(Money earned at college)
∴ Money earned at the store = 
Now, total money earned by Erica is the sum of money earned at store and college. Therefore,
Total money = Money at store + Money at college
Therefore, the money earned by Erica from her job at the college is $9,840.
Answer:
Step-by-step explanation:
since we know that 
in this expansion is 
thus 
Hope that helps!
Answer:
32/13
Step-by-step explanation:
Please include the instructions when you post a problem.
Let's assume you re to simplify this expression.
We get:
-4+2(-2+5)^2 -4 + 2(3)^2 -4 + 36
__________ = ------------------- = ----------------- = 32/13
5-(2-4)^3 5 - (-2)^3 5 + 8
