Austin should pay $75 the first month, and 37.50 for the remaining of the 2 months
Answer:
The distance of the plane from the base of the tower is 25.5 foot.
Step-by-step explanation:
As given
Max is in a control tower at a small airport.
He is located 50 feet above the ground when he spots a small plane on the runway at an angle of depression of 27°.
Now by using the trigonometric identity.
![tan\theta = \frac{Perpendicular}{Base}](https://tex.z-dn.net/?f=tan%5Ctheta%20%3D%20%5Cfrac%7BPerpendicular%7D%7BBase%7D)
As shown in the figure given below
Perpendicular = CB
Base = AC = 50 feet
![\theta = 27^{\circ}](https://tex.z-dn.net/?f=%5Ctheta%20%3D%2027%5E%7B%5Ccirc%7D)
Put in the identity.
![tan\ 27^{\circ} = \frac{CB}{AC}](https://tex.z-dn.net/?f=tan%5C%2027%5E%7B%5Ccirc%7D%20%3D%20%5Cfrac%7BCB%7D%7BAC%7D)
![tan\ 27^{\circ} = \frac{CB}{50}](https://tex.z-dn.net/?f=tan%5C%2027%5E%7B%5Ccirc%7D%20%3D%20%5Cfrac%7BCB%7D%7B50%7D)
![tan\ 27^{\circ} = 0.51\ (Approx)](https://tex.z-dn.net/?f=tan%5C%2027%5E%7B%5Ccirc%7D%20%3D%200.51%5C%20%28Approx%29)
Put in the above
![0.51 = \frac{CB}{50}](https://tex.z-dn.net/?f=0.51%20%3D%20%5Cfrac%7BCB%7D%7B50%7D)
CB = 0.51 × 50
CB = 25.5 foot
Therefore the distance of the plane from the base of the tower is 25.5 foot.
Answer:
The point-slope formula states:
(
y
−
y
1
)
=
m
(
x
−
x
1
)
Where
m
is the slope and
(
x
1
y
1
)
is a point the line passes through.
Substituting the slope and values from the point in the problem gives:
(
y
−
−
1
)
=
3
5
(
x
−
−
3
)
(
y
+
1
)
=
3
5
(
x
+
3
)
If you want the equation in the somewhat more familiar slope-intercept form we can solve this equation for
y
. The slope-intercept form of a linear equation is:
y
=
m
x
+
b
Where
m
is the slope and
b
is the y-intercept value.
y
+
1
=
(
3
5
⋅
x
)
+
(
3
5
⋅
3
)
y
+
1
=
3
5
x
+
9
5
y
+
1
−
1
=
3
5
x
+
9
5
−
1
y
+
0
=
3
5
x
+
9
5
−
5
5
y
=
3
5
x
+
4
5
The point-slope formula states:
(
y
−
y
1
)
=
m
(
x
−
x
1
)
Where
m
is the slope and
(
x
1
y
1
)
is a point the line passes through.
Substituting the slope and values from the point in the problem gives:
(
y
−
−
1
)
=
3
5
(
x
−
−
3
)
(
y
+
1
)
=
3
5
(
x
+
3
)
If you want the equation in the somewhat more familiar slope-intercept form we can solve this equation for
y
. The slope-intercept form of a linear equation is:
y
=
m
x
+
b
Where
m
is the slope and
b
is the y-intercept value.
y
+
1
=
(
3
5
⋅
x
)
+
(
3
5
⋅
3
)
y
+
1
=
3
5
x
+
9
5
y
+
1
−
1
=
3
5
x
+
9
5
−
1
y
+
0
=
3
5
x
+
9
5
−
5
5
y
=
3
5
x
+
4
5
Step-by-step explanation:
The ratio of the triangle is 55/1.1, which is 50/1.
This means that the building is 50/1 = x/5
x = 250
The office building is 250 m tall.