∠ACE is formed by two secants intersecting outside of a circle. If minor arc BD = 28°, minor arc AB = 112°, and minor arc DE = 1
2 answers:
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<h2>Change of the distance between the observer and the airplane when X = 5 miles is 348.84 mph</h2>
Step-by-step explanation:
We have by Pythagoras theorem
Distance between the observer and the airplane² = Horizontal distance² + Altitude²
d² = h² + a²
Here we have
h = X = 5 miles
a = 7 miles
d² = 5² + 7² = 74
d =8.60 miles
Differentiating d² = h² + a² with respect to time
Change of the distance between the observer and the airplane when X = 5 miles is 348.84 mph
Answer:
The distance from Simon's house to the beach is 137.5 miles
Step-by-step explanation:
we know that
The speed is equal to the ratio of the distance and the time
Let
s ----> the speed in mph
x ----> the distance in miles
y ---> the time in hours
we have
substitute in the formula and solve for x