You deposit $600 in a savings account. The account earns 10% simple interest per year. a. What is the interest earned after 10 y
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The answer is 4.191786247582 see attached
Answer:
width of the river is 60.16 m
Step-by-step explanation:
Refer the attached figure
AB = width of river
We are required to find the width of river .
Since we are given that . Trigonomos spotted a tree across the river and marked the spot directly across from it.
Then he walked to the another point 15 meters down the river .i.e. BC = 15 m
He also found the angle between his side of the river and the line connecting him to the tree i.e. ∠ACB = 76°
So, now to calculate the width of river i.e. AB , we will use trigonometric ratio
Thus the width of the river is 60.16 m
