A guess would be d and gauss would not have been consulted because a mean is not necessary in this instance
Is it OK if I explain it before I write down the next term ?
-1 ___ 3 ___ 11 ___ 23 ___ 39 ___ ( )
The first blank is . . . . . " + 4 = " .
The second blank is . . " + 8 = " .
The third blank is . . . . " + 12 = " .
The fourth blank is . . . " + 16 = " .
So the fifth blank is . . . " + 20 = " and the next number is 59 .
125.
16 (10 and 6) divided by 100 is 6.25. Times two is 12.5. (For 200) times 10 for 10 marbles.
14:6, 21:9, 28:12- they’re common multiples
Answer:
x+2y=0
Step-by-step explanation: