Answer:
-3 plus/minus square root 17 over 4
Step-by-step explanation:
2x squared = -3x + 1 is the same as 2x squared + 3x -1
a=2 b=3 c=-1
sub those into the formula and you get -3 plus/minus square root of 9 + 8 over 2×2
and then you simplify
1212 km in 3 min
3min • 20= 60 min = 1 hour
1212km • 20 = 24, 240km
Answer:
10
Step-by-step explanation:
I can't really explain this well but, when you double 4 you get 8 (which is how many she did), so since you doubled 4 you also have to double 1 which would be 2. Then add 8 and 2 and you get 10
Answer:
4
Step-by-step explanation:
