Answer:
80 minutes
Step-by-step explanation:
(3/4)/30=2/x
cross product
30*2=(3/4)x
60=3/4x
x=60/(3/4)
x=(60/1)(4/3)
x=240/3
x=80
The slope of the line is 3/2
The answer is 18.
If you multiple 3 x 3 x 2 you get 18 different ways to arrange the books
Answer: (1,-1)
Step-by-step explanation:
- You can multiply the first equation by -1
- Add the equations.
- Solve for x, as following:

- Substitute the value of x into any of the original equations and then you must solve for y:

Therefore, the solution is: (1,-1)
Answer:
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