Answer:
A) 7x + 3y = -8
B) -4x - y = 6 Multiplying B) by 3
B) -12x -3y = 18 then we add A)
A) 7x + 3y = -8
-5x = 10
x = 2
y = -2
Answer is the first one (2, -2)
Step-by-step explanation:
Answer:
496
Step-by-step explanation:
236+260=496
Please Brainliest!!!
It takes 10 workers 5 days to complete a road repair when working 2 hours a day.
So, this becomes :
man hours required to finish the work.
Given is, if 2 people work for 5 hours a day, then let the number of days to finish the road be = d
So, total man hours = 
Now,
or 
Hence, it will take 10 days for 2 people working 5 hours daily, to complete the work.
Answer:
What are we supposed to simplify? 8/81?
Step-by-step explanation:
The tank IS more than half full
after 3.5 hours the hank will have used up 5.075 gallons leaving 6.525 left