A tunnel is constructed with a semielliptical arch. The width of the tunnel is 80 feet, and the maximum height at the center of

Question

3 years ago

5

A tunnel is constructed with a semielliptical arch. The width of the tunnel is 80 feet, and the maximum height at the center of

the tunnel is 30 feet. What is the height of the tunnel 4 feet from the edge? Round your answer to the hundredths place.
4.01 feet
9.37 feet
13.08 feet
29.85 feet

Mathematics

2 answers:

slavikrds [6] · Answer 1 · 2022-07-12T01:02:59+03:00

slavikrds [6]3 years ago

7 0

Answer:

Step-by-step explanation:

Example Equation of an ellipse with horizontal major axis with center at (0,0):

x%5E2%2Fa%5E2%2By%5E2%2Fb%5E2=1

For given problem:

b=20

b^2=400

a=30

a^2=900

equation: x%5E2%2F900%2By%5E2%2F400=1

y%5E2%2F400=1-x%5E2%2F900

Vlada [557] · Answer 2 · 2022-07-12T03:31:15+03:00

Vlada [557]3 years ago

7 0

Answer:

4.01 _feet

=29.850

Step-by-step explanation:

Espero averte ayudado :-)