Answer:
w=3 9\17
Step-by-step explanation:
7y - 8 = 6y + 1 With a detailed step by step solution please! :)
Answer:
Step-by-step explanation:
You have the following information given in the problem:
- She works as a tutor for $8 an hour and a waitress for $9 an hour.
- The total hours she worked at her two jobs is 100 hours.
Therefore, have:
( is the total of hours she worked at his job as a waitress)
( is the total dollar amount she earned this month)
Substitute into the and simplify. Then, the expression asked is:
Answer:
It would take 12 hours for his associate to do the complete work alone.
Step-by-step explanation:
Let 'x' be the hours taken by his associate working alone.
Given:
Time to paint the office by Dave is 4 hours.
Time to paint the office together is 3 hours.
Therefore, the part of work completed by Dave alone in 1 hour is
Part of work completed by an associate in 1 hour is
Now part of work completed by both in 1 hour is
Therefore,
Therefore, it would take 12 hours for his associate to do the complete work alone.
Answer:
See below
Step-by-step explanation:
2x+4 / x^2-x-6
= 2(x+2)/(x-3)(x+2)
= 2/(x-3)
So the 2 expressions are equivalent
The values of x which make the expressions undefined are those values which make the denominators 0
For 2x+4/ x^2-x-6 they are X=3 and x= -2.
For 2/x-3 they are x =3.