How many telephone numbers are there in the 509 area code? Telephone numbers may not start with the number 0 or 1. They also mus
1 answer:
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Answer:
<em>0° and 18°</em>
Step-by-step explanation:
3tan²β - tanβ = 0
tanβ(3tanβ - 1) = 0
tan β = 0 ⇒ <em>= 0°</em>
3tan β - 1 = 0 ⇒ tan β = ⇒
= arctan (
) ≈<em> 18°</em>
The average is pretty simple to find. Add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
The answer to this specific question can be modeled as . After simplifying everything, you would get x
77, so Justin has to get at least a 77 to get a 75 average.
