Good evening ,
Answer:
Is his formula correct and how do you know : <em>Yes</em>
Is it an explicit or recursive formula : <em>explicit </em>
Step-by-step explanation:
an = a1 + (n-1)r
a1 = 5
r = 8-5 = 3
Then an = 5 + 3(n-1).
:)
Answer:
t≈17
Step-by-step explanation:
Angle y is the same as 85 degrees
Make the y as the subject like y= 3x + 1
the slope was next to the x
so the slope is 3
i am a mathematics teacher. if anything to ask please pm me
