Answer:
No this is not arithmetic this is geometric
Step-by-step explanation:
10 to 15 is a increase of 5
15 to 21 is a increase of 6
21 to 28 is a increase of 7 arithmetic have to have steady increases
Answer:
-122.5
Step-by-step explanation:
Difference = 7 - 4 = 3 terms; 8.75 - (-70) = 78.75
1 term → 78.75/3 = 26.25
therefore, u2 = - 70 - 2(26.25) = -122.5
Topic: Patterns + Common difference
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Answer:
The sum of three consecutive even integers is 96
31+32+33=96
Answer:
1/2,5
Step-by-step explanation:
If you factor you get (2x-1)(x-5) so
x=5,1/2
Answer:
Step-by-step explanation:
For 8th term (n=8)
