A traintravels 200 kilometers in 2.5 hours. whatis the trains average speed per hour
1 answer:
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Answer:
Step-by-step explanation:
Because vertical angles are always equal, we want to solve .
We can add 10 to both sides to get .
We can subtract from both sides to get
.
Lastly, we divide both sides by 20 to get .
So, and we're done!
The check is left as an exercise to the reader.
Answer:
=
with T₁ = 5000
Step-by-step explanation:
There is a common ratio r between consecutive terms in the sequence, that is
r = =
=
=
This indicates the sequence is geometric with recursive rule
= r
Here tr = , thus
=
, T₁ = 5000