Answer:
here it is
Step-by-step explanation:
Answer:
I think its x=48
Step-by-step explanation:
Answer:
x = 100
Step-by-step explanation:
(x - 20) + x = 180
2x - 20 = 180
<u> + 20 +20</u>
2x = 200
x = 200/2
x = 100
Answer:
5/4
Step-by-step explanation:
Using coordinates (10,0) and (90,100)
Slope m = (y2-y1)/(x2-x1)
m = (100 - 0)/(90 - 10) = 100/80 = 10/8 = 5/4
400 m in 8 hours
200 m in 4 hours
100 m in 2 hours
50 m in 1 hour
His average speed is 50mph