First can you change
2x + y = -12
To have y as the subject
Looks like y = ???
Answer:
135
Step-by-step explanation:
angle 1 and angle 3 are have the same messure so angle 3 equals to 135
Answer:
13
Step-by-step explanation:
We can add 1 to both sides of the second equation and divide by 2 to get
x = (y-1)/2
We can then substitute x in the first equation to get
(y-1)/2 + 7 = 2y
Multiply by 2
y-1 + 14 = 2y
Subtract y and combine like terms
y = 13
Alternate Interior Angles. You’re welcome
Answer:
at least 60 min (1 hour)
Step-by-step explanation:
we know that a lap takes 5 min.
and we know he will run At least 12 laps
that means that the least number of min.he can run is 5x12=60
So, 60min is the answer
