Answer:
18x^4+288x^3+1
Step-by-step explanation:
HOPE THIS HELPS<3
The sum(9) of half of the first number(1/2a) and one third of the second number(+1/3b)
That is correct
Answer:
this is your answer look it once.
After 45 minutes you will have painted 4*45=180 square feet.
so the total number of painted area, y, is:
y=180+x*(3+4) after the 45 minutes
where x is the number of minutes AFTER THE 45 minutes:
if y is 1000 then
1000=180+x*7
820=x*7
x=117.14
so 117 minutes, or one hour and 57 minutes.
