Step-by-step explanation:
1/3 + 3²+3³
=1/3+9+27
=(9+3+1)/27
=13/27
Answer:
Step-by-step explanation:
5/7
Sum of a geometric series is a/(1-r) = 1/(1-(-2/5)) = 5/7
Answer:
100m^2
Step-by-step explanation:
All sides of a square are equal so 10m x 10m = 100m. The answer is 100m^2 because it is a 2D figure.
Answer:
i think it's f=x2−x−10
Step-by-step explanation: