A) -180m
b) 510-180=+330m
+330/45=7.333m/s
c) total distance = 840m
average speed = 840/105
= 8m/s
Answer:
d. fourteen fortieths
Step-by-step explanation:
i believe this is correct.
Answer:
-0.5 and 5.5
Step-by-step explanation:
removing absolute value will yield two equation: 2.5-y=3 and 2.5-y=-3
solve for y in both case.
Answer:
40%
Step-by-step explanation:
(21-15)/15=0.4
0.4×100=40