Answer:
x ≈ 14.5
Step-by-step explanation:
A = x²√(25+10√5)/4
A = 1.72a²
x² = A/1.72
= 363.27/1.72
≈ 211
x = √211
≈ 14.5
9514 1404 393
Answer:
f(g(x)) = 2/(x^2 +4x)
Step-by-step explanation:

Answer:
26 hours
Step-by-step explanation:
speed = distance/time
s = d/t
st = d
t = d/s
t = (13 km)/(0.5 km/h)
t = 26 h
Answer: 26 hours
Answer:
B) y - 5 = 2(x - 10)
Step-by-step explanation:
Slop = (5+7)/(10-4) = 12/6 = 2
Point slope form:
y - 5 = 2(x - 10)
or
y + 7 = 2(x - 4)