A building is 190 feet tall and has a shadow that is also 190 feet. Determine the angle of elevation from the tip of the shadow
to the top of the building.
A) 15°
B) 30°
C) 45°
D) 60°
A) 15°
B) 30°
C) 45°
D) 60°
1 answer:
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Answer:
Step-by-step explanation:
we know that
A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form or
In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin
Let
x ----> the number of acres
y ---> total operating costs
we have the ordered pair (20,551,520)
For x=20 acres, y=$551,520
<em>Find the value of the constant of proportionality k</em>
substitute the values of x and y
The linear equation is equal to
Find out how many acres are on a farm with a total operating cost of $441,216
so
For y=$441,216
substitute in the linear equation the value of y and solve for x