The initial deceleration is 4 m/s^2, so this means that considering the first line segment,
.
The total distance traveled is 4 km, which is equal to 4000 meters. This is equal to the area under the graph, so
.

Answer:
111
Step-by-step explanation:
The sum for a 7-sided interior polygon is 900
126+158+120+125+121+139=789
900-789=111
Answer:
x=-6
Step-by-step explanation:
We have that
x²<span>-20x
</span><span>Group
terms that contain the same variable
</span>(x²-20x)
Complete
the square
(x²-20x+10²)------> (x-10)²
the answer is
the number must be 100