Substitute -3 to x
(-3)^2 + 4(-3) + 1
9 - 12 + 1
= -2
I believe the answer is 2. i hope this helps
Answer:
801/1000
Step-by-step explanation:
Just divide -30 m/s (the change in velocity) by 12 seconds (the time required for the car to come to a stop):
-30 m/s
----------- = - 2,5 m / (sec)^2 (answer)
12 sec
Answer:
x = 22, y = 22/7
Step-by-step explanation:
solve for y using first equation:
-2 + 3y = 20
3y = 22
y = 22/7
substitute 22/7 into second equation:
7y = x
7(22/7) = x
x = 22
