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
B. 15 because
-18+x=-3
X= -3 + 18
X = 15
Answer:
It would be 2.17391304348 but you can round it to the nearest tenths or hundreths, whatever you choose
Step-by-step explanation:
If you want to round it to the nearest tenths, then it would be 2.2
If you want to round it to the nearest hundreths, it would be 2.17
Did this help??
Answer:
A= 37 Degrees
C= 106 Degrees
i think this is what you need
Step-by-step explanation:
the triangle can't be formed.....
hence, correct answer is <u>C</u><u>.</u><u> </u>No, the sum of the shortest sides measure is equal to the longest side.