Answer:
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Step-by-step explanation:
Given

Required
Determine 
We know that:

This gives:


Collect like terms


Take square roots


By tan identity


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If you round 75 to the nearest tenth it would be 80
Answer:
210 miles in 1 hour
Step-by-step explanation:
steps are in picture
Answer: The population will be 536,250 people
Step-by-step explanation: