583 to the nearest 10 is 580. First you got to find which number is in the tens place. Well in this case 8 is in the tens place. You then look at the number next to it which is 3. 3 is less than 5 so it won't round up it will round down, to a 0.
So..583 to the nearest 10 is 580.
23 plus 7 is 30 and 30 plus 5 is 35
Answer:Around 10 hours
Step-by-step explanation:
4x-y= -36
Distribute the 4: y-12=4x+24
Add 12 to both sides: y=4x+36
Move the y to the other side: 0=4x-y+36
Subtract 36 from both sides: 4x-y= -36