A lighthouse flashes a beam of light once every 3/5 of a minute. How many times does it flash a beam of light in half an hour?
1 answer:
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Answer:
Step-by-step explanation:
We can add the two equations to eliminate and solve for
.
Now, we can find for by using substitution:
(given)
Hope this helps :)
Answer:
in the pics
Step-by-step explanation:
In case you are wondering, I used the pythagorean theorem. If you want to learn how to use it I suggest you google it, there are plenty of sites that explain how to use it.
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below :)
