Answer:
A
Step-by-step explanation:
x + 4 = ± 2
x = -2
x = -6
Answer:
80 km/hr
Step-by-step explanation:
0.5 hour = 30 min
40 km in 30 min
80km in 60 min
Answer:
3/2
Step-by-step explanation:
(3/4)/2
3/4*2
3/2
First you have to isolate one of the equations for y=mx+b.
Then substitute the equation is made into the first equation
2/3 / 1/6
When dividing by a fraction, flip the second fraction over and change divide to multiply:
2/3 x 6/1 = (2 x6) / (3 x 1) = 12/3 = 4
The answer is 4
