51. I checked the comments but I still didn't understand it, sorry :/
54.
(43+45+47+49)=184
They are all odd and they are in consecutive order (one after another)
D=rt and we are told d=546 and r=1.3m/s so
1.3t=546 divide both sides by 1.3
t=420 seconds so
420s(min/60s)=7 min
So it takes him 7 minutes to walk to Sara's house.
Step-by-step explanation:
answer is in photo above
Answer:
3 3/2 x1/2
explanation:
download math-way it helps a lot
Answer:
x=2 y=1
Step-by-step explanation:
I solved the system but I dont have any items to match
