I don't understand this question, can you maybe reword it or make it easier to understand? There's no grammar so I can't understand.
Answer:
a) distance = 0.5m
b) acceleration = -1.25m/s²
Step-by-step explanation:
v = d/t
d = vt
d = 10/20
= 0.5
a = v/t
= -10/8
= -1.25
a is negative because in the last 8s the care decelerate
Answer:
Not proportional.
Step-by-step explanation:
A proportional relationship has a constant of proportional which can be formed by a ratio between any y and x values of the function. The constant will be the same every time.
The ratio y/x is 25/1, 40/2, 55/3, 70/4, and 85/5. These simplify to 25, 20, 13.33, etc. These are not the same values. This is not proportional.
10-3=7 3-10=7 if u need help with anything else u can ask
Answer:
3/4
Step-by-step explanation: