1.4 or 1 4/10. Just subtract.
System of equations to be solved simultaneously
Answer:
The answer is 8 feet.
Step-by-step explanation:
Let x = height where the ladder hits the building
7 squared+x squared=25 squared
49+x squared=625
x squared=576
x=24 feet
Let x = distance from wall:
x^2 + 20^2 = 25^2
x^2 + 400 = 625
x^2 = 225
x = 15 feet
Answer:
B
Step-by-step explanation:
i don't know huhuhuhu......................
Distance = rate*time
time = distance/rate
2.5 hours or 150 minutes