Answer:
First term (a) =8
Common difference (d)= t2-t1
=12-8
=4
Now, sum of first 31th term (tn31) =n/2{2a+(n-1)d}
= 31/2{2×8+(31-1)4}
=31/2{16+(30×4)
=31/2(16+120)
=31/2×126
=31×63
Step-by-step explanation:
Similarly use 19 as (n) for the 19th term
Answer:
2w
Step-by-step explanation:
that is 2 times w if you want a anwser i would need a definition of w
The 10% property tax is written as 10/100 = 0.1
Since this percentage is based on the price of the house "h", therefore 10% property tax is written as 0.1h
Therefore, the expression needed would be adding the price of the house "h" to the 10% property tax as follows:
expression is : h + 0.1h
Answer:
Nvm there right
Step-by-step explanation:
Answer:
1st one is positive 4
2nd one is negitive 19
Step-by-step explanation:
for the first one is going by 2's so it gos -8 -6 -4 -2 0 2 4
for the second one is going by 3's so it is -4 -7 -10 -13 - 16 -19
Hope This Helps