One minute later at 8:01pm. One lighthouse will flash 3 times (at 20, 40 and 60 seconds)...the other will flash twice (at 30 and 60 seconds). So they will both flash 60 seconds later, at 8:01
Answer:
In order for the appropriate answer to be given, you need to include the original measurements as well.
2(4)+6
8+6
=14
you’re welcome :)
Answer:
around 4.1
Step-by-step explanation:
Two.
b1 = - 4 + sqrt(19), b2 = - 4 - sqrt(19)
