Let angle ladder makes with the ground be x degrees.
sin x = 11.8/12
x = sin^-1(11.8/12)
x = 79.5 degrees (3 s.f.)
yes it is possible
It would be 56 mph. you need to divide 224 from 4 to get the unit rate
I'm pretty sure this is correct if so hope it helped:)
Answer:
The greatest common factor is 17.
Step-by-step explanation:
Both 51 and 85 have only two common factors, 1 and 17. Since, 17 is greater than 1, 17 is the greatest common factor.
Answer:
1.) 120 mph
2.) 30 mph
Step-by-step explanation:
Given that a man flies a small airplane from Fargo to Bismarck, North Dakota- a distance of 180 miles. Because he is flying into a head wind, the trip takes him 2 hours. On the way back, the wind is still blowing at the same speed, so the return trip takes only 1.2 hours. What is the planes speed in still air, and how fast is the wind blowing?
Let the wind speed = w
and the plane speed = p
From the first sentence,
P - w = 180/ 2
P - w = 90 ....... ( 1 )
From the second statement,
P + w = 180/1.2
P+ w = 150 ...... ( 2 )
Solve equation 1 and 2 simultaneously
P + w = 150
P - w = 90
Add the two equations
2P = 240
P = 120 mph
Substitute p in equation 1
W = 150 - 120
W = 30
Therefore, the wind speed is 30 mph and the plane speed is 120 mph
