Answer:
-2x+4
Step-by-step explanation:
-2(x-3)-2
-2x+6-2
-2x+4
It would take them 8.5 hours.
Explanation:
Since they are painting the room together, they would basically each paint half of the room. So if they were painting half of the room each, it would take them half of the time that it would
normally take each of them. Half of Sally's time is 3.5 hours. And half of John's time is 5 hours. When you add them together, you get 8.5 hours.
Hope this helps!
- Simplify the expression ⇨ 4(3z+9)-(5z+7)
Use the distributive property to multiply 4 by 3z+9.
Remove the brackets of 5z + 7 & put the subtraction symbol (minus) accordingly.
Combine 12z and -5z to get 7z.
Subtract 7 from 36 to get 29.
Answer:
The fence will constantly move until the wall is finished.
Step-by-step explanation:
Since you build sections of a wall for the prison, you move the fence to the area. You have to budget rent for the fence and labor to move it as the wall evolves.
Do you have a specific on in mind? It depends on the quadratic equation