Answer:
100r^4 + 400r^3 + 600r^2 + 400r + 100
Step-by-step explanation:
Expanding ( r + 1 )^4 gives :-
r^4 + 4r^3 + 6r^2 + 4r + 1
So multiplying 100 with r^4 + 4r^3 + 6r^2 + 4r + 1 gives :-
100r^4 + 400r^3 + 600r^2 + 400r + 100
Answer:
it took isabella to complete each race in 12.7, 12.807, 12.78, 12.08, and 12.087 seconds
Step-by-step explanation:
Answer:
115934
Step-by-step explanation:
calculator
You are trying to isolate x, so you would first subtract the y and get ax-bx= z-y
then you would divide by a-b
giving you A as the answer
How are you? Ok so It probably B but I’m not sure so just wait a few minutes till someone else answers because I’m not sure
