9514 1404 393
Answer:
BE = 5 cm
Step-by-step explanation:
Your problem statement asks for the length of BC. There is no segment BC. Points B and C are in different triangles.
The length of segment BE can be found from the proportion ...
BE/DE = AB/CD
BE = DE·AB/CD = (4 cm)(10/8)
BE = 5 cm
Xp + yp = z....for p
p(x + y) = z
p = z / (x + y)
a = b + cp.....for p
a - b = cp
(a - b) / c = p
Because it can't be simplified.
There aren't like terms and there isn't fractions.
1 km = 1000 m
12 km = 12,000 m
Each day, she runs 10 * 400 m = 4000 m
12,000 m / 4000 m = 3
It will take 3 days.