Can someone help me on this?
1 answer:
Answer:
381.05 ft
Step-by-step explanation:
A right triangle can be formed with the bottom of the tree, the top of the tree, and you. In a right triangle, for any angle θ, tanθ=opposite/adjacent.
Let represent the height of the tree. The angle 60° has opposite side
Set up the following equation;
tan(60°)=h/220
Multiply both sides by 220:
h=220tan(60°)≈381.05 ft (rounded to the nearest hundredth, ans)
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Answer:
B
Step-by-step explanation:
An arithmetic sequence there will be a constant difference between terms.
Option A: this sequence is not an arithmetic sequence as the difference between the 1st term and the 2nd term is ×, but the difference between the 3rd term to the 4th term is ×
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Option B: this sequence is an arithmetic sequence as the differences between every two consecutive terms are +5.
Option C: this sequence is not an arithmetic sequence as the difference between the 1st term and the 2nd term is -8, but in the difference between the 2nd term and the 3rd is +8.
Option D: this sequence is a typical fibonacci sequence, and clearly we can see that the differences are different in every two consecutive terms.
I hope this helps, ask me any question if you do not understand :)