Question

can some one help me with this?

Answer 1

The first term of an arithmetic sequence is -5, and the tenth term is 13. Find the common difference.



8/9
1.8
2

Answer 2

a10 = a+9d
13 = (-5)+9d
13+5 = 9d
18 = 9d
18/9 = d
2 = d

Answer 3

common difference is 2

Answer 4

thank you so much i'am talking and test that can let me pass the next grade

Answer 5

i have aonther ?

Answer 6

just give the question i'll try to solve...

Answer 7

okey here it is Find the 31st term of the following sequence.



9, 15, 21, ...



186
189
195

Answer 8

a31 = a+30d
here a=9 & d=6
therefore,
a31 = 9+30x6
a31 = 9+180
a31=189