A girl 1.54m girl, is 30m away from tower whose height is 53.5m. determine the angel of angle of elevation from her eye to the t
2 answers:
Answer:
reference attached
Step-by-step explanation:
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<h3><u>Given </u><u>:</u><u>-</u></h3>
- The height of the girl is 1.54m
- The girl is 30m away from the tower
- Height of the tower is 53.5m
- We have to determine the angle of elevation from her eyes to the top of the tower
Refer the attachment
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Answer:
First option:
Second option:
Fourth option:
Step-by-step explanation:
Rewrite each equation in the form and then use the Discriminant formula for each equation. This is:
1) For :
Then:
Since this equation has no real solutions, but has two complex solutions.
2) For :
Then:
Since this equation has no real solutions, but has two complex solutions.
3) For :
Then:
Since this equation has one real solution.
4) For :
Then:
Since , this equation has no real solutions, but has two complex solutions.