20x^2+50 = -40x^2+110x [ Taking x as the unknown positive integer ]
Answer:
7)
Step-by-step explanation:
The pattern is: add two more than you did before: starting from 2.
It would be:
1, 3, 7, 13, 21, 31, 43, 57
+2 +4 +6 +8 +10 +12 +14
Now use this to answer the questions.
Hope this helped!
Have a nice day!
(it would be nice if you gave me brainliest)
Thx :)
Answer:
False
Step-by-step explanation:
1/3^4=3^4
0.012346≠81
False