Answer:
a=-2
Step-by-step explanation:
Let me know if you need the steps tho.
Answer:
wheres the picture?
Step-by-step explanation:
Hello! To find any number in the arithmetic sequence we can use a formula!
It is given by

The geometric sequence formula goes by

So for this we notice that there's a start of 5 and is being added 3 to get 8.
and then each time it is added by 2 more to get the next time
5
5+ 3 = 8
8 + 5 = 13
13 + 7 = 20
20 + 9 = 29
29 + 11 = 41
41 + 13 = 54
54 + 15 = 69
69 + 17 = 83
Your formula is

Where n starts at 2 not 1
Answer:
The triangles are the same though, what do i do?
Step-by-step explanation:
4x/15 = 60/x
4x^2 = 900
x^2 = 225
x = 15