A person stands meters from the base of a building and measures the angle of elevation from his sight line to the top of the building as 48. How tall is the building ? Please use as your variable . First equation used : ( as your variable ) Height of the building : meters ( rounded to the nearest tenth )

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.

let y equal to

the total fare and x is the mile of taxi ride. so the equation is

y = 0.55x + 1.75

since susie has

$10 to spend for a taxi cab, so he can have

10 = 0.55x +

1.75

x = 15 miles of

taxi ride

so the system of

inequality is

10 < 0.55x +

1.75

x > 2

answer: a.12cm

step-by-step explanation: