Answer:
Step-by-step explanation:
-5+-15= -20
4+15= 19
-20+19
-1
To find the x-intercept, substitute in
0
0
for
y
y
and solve for
x
x
. To find the y-intercept, substitute in
0
0
for
x
x
and solve for
y
y
.
x-intercept(s):
(
22.6
,
0
)
(
22.6
,
0
)
y-intercept(s):
(
0
,
18.8
¯
3
)
Length of train : 100
length of bridge : 400
distance covered by the train to cross the bridge : (100 + 400) = 500
time taken by the train to cross : 30
speed = distance / time
speed = 500/30
speed = 16.67 meters per second <===
