Answer:
<u>Diagram is not so perfect</u>
<u>OR = distance travelled by the jet plane</u><u>.</u>
Step-by-step explanation:
Let point J be the jet plane and OJ be the constant height at jet plane is flying and OR be the distance jet plane is travelling.
h =

Now,
From the figure i drew (1st)
taking 60 as reference angle,
tan60° = p/b
or,


so, b = 1700m
inital distance = 1.7km(OR)
now,
tan 30 = p/b

so, b = 5100 m
so, final distance = 5.1 km(OR)
Now,
distance travelled = final distance - initial distance
distance travelled = 5.1 km - 1.7km
distance travlled = 3.4 km
Now,
time = 17 seconds
= 0.00472 hour.
Now,
speed = d/t
or, speed = 3.4/0.00472
so, speed = 720.3389km/hr
so, speed = 720 km/hr approximately
Answer:
x=22.5
Step-by-step explanation:
90=4x
x=22.5
Hope this helps!
Hey!
So what you can do is:
1 x 1.5 = 1.5(2nd term)
1.5 x 1.5=2.25(3rd term) x 1.5=3.375(4th term) x 1.5 = 5.0625(5th term)
5.0625 x 1.5=7.59375(6th term)x1.5=<span> 11.390625
</span>11.390625 x1.5= 17.0859375(8th term)x1.5=<span> 25.62890625</span>(9th term)
The answer is D!
Hope this helps!
D. Nothing, since there was no control group.