6 = k/9 => k = 6 x 9 = 54 N
a = 54/2 = 27 meters per second per second
Answer:B=8
Step-by-step explanation:
Answer: -7/3≤t≤5/3
Step-by-step explanation:
|2t + 2/3|≤4
2t + 2/3≤4
(2t + 2/3≤4)*3
6t+2≤12
6t≤10
t≤10/6
<u>t≤5/3</u>
2t + 2/3>=-4
(2t + 2/3>=-4)*3
6t + 2>=-12
6t>=-14
t>=-14/6
<u>t>=-7/3</u>
-7/3≤t≤5/3
1 km = 0.62137... mile (rounded)
7 km = 4.3296... miles (rounded)