Answer:
60 degrees
Step-by-step explanation:
Since the angle 120° is in the second quadrant, the reference angle formula is Ar=180°−Ac A r = 180 ° - A c . The reference angle is Ar=60° A r = 60 ° .
Please find the attached diagram for a better understanding of the solution provided here.
In the attached diagram, OP is the height of the tree.
Rest of the diagram should be sufficiently self explanatory.
In ,
.........................Equation #1
Again, in ,
.........................Equation #2
Thus, equating the equations Equation #1 and Equation #2, we have:
Evaluating we get:
Thus the height of the tree is approximately 49.26 feet
Answer:
28% increase
Step-by-step explanation:
8 - 6.25 = 1.75
1.75/6.25
0.28
28%
Answer
2x
Step-by-step explanation:
-14=20y-7x,10y+4=2x i think
Answer: y-12
Step-by-step explanation:
-3(y+4)+4y
first distribute teh -3 to the y and the 4, so you get -3y and -12. Then combine like terms. -3y-12+4y, add the -3y and 4y, you get y. So the answer is y-12.