Answer:
The height of the rock formation is
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
solve for h
If the triangles are similar, which must be true?
1 answer:
Answer:
B. RY/RS=RX/RT=XY/TS
Step-by-step explanation:
In the picture attached, △RST and △RYX (which are similar) are shown
The options are:
- A. RY/YS=RX/XT=XY/TS
- B.RY/RS=RX/RT=XY/TS
- C.RY/RS=RX/RT=RS/RY
- D.RY/RX=RS/RT=XY/TS
Given that the triangles are similar, then their sides are proportional. Then, there is some constant k, which satisfies:
k*RS = RY
k*RT = RX
k*TS = XY
This can be rewritten as:
k = RY/RS = RX/RT = XY/TS
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Given:
The arithmetic sequence is −15, −33, −51, −69.
To find:
The nth term of the arithmetic sequence.
Solution:
We have,
−15, −33, −51, −69
Here,
First term: a = -15
Common difference is
Now, nth term of an arithmetic sequence is
Substitute a=-15 and d=-18.
Therefore, the nth term of the given arithmetic sequence is .