Hello,



==> 1+r=5==>r=4
3+3r+3r²+3r^3+...+3r^6=3(1+r+r²+...+r^6)=3*(r^7-1)/(r-1)=4^7-1=16383
About 750 different permutations
32 is the answer to the problem
Answer:
9
Step-by-step explanation:
- [X-2]+3=10
- [X-2]=10-3
- X=7+2
- X=9
Answer:
should be 66% of children and 1650 children in the town
Step-by-step explanation: