I think it’s b not positive but I think that’s it
Answer:
46 F.
Step-by-step explanation:
As we go down the mountain from the summit the temperature increases by 3.6 F for every 1000 feet.
So the temperature at 4000 feet
= - 8 + (19 - 4) * 3.6
= 46 F.
Answer:
You only have four terms so n can only be 1, 2, 3 or 4!
I think you mean: What is the nth term of the sequence 15, 12, 9, 6, …?
The ellipsis (…) tells us that the sequence continues.
This is an arithmetic sequence, where the general term is: a+bn
n=1:a+b=15 [Eq. 1]
n=2:a+2b=12 [Eq. 2]
Subtracting Eq. 1 from Eq.2: b=−3
Substituting this into Eq. 1: a−3=15⇒a=18
Thus the nth term is: 18−3n
Step-by-step explanation:
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Answer:
-60
Step-by-step explanation:
