Answer:
81cm
Step-by-step explanation:
15cm + 20cm + 21cm + 25cm = 81cm
Answer:
5 km
Step-by-step explanation:
to convert m to km you have to divide by 1000.
5000/1000=5
hope this helps!
Answer:
Step-by-step explanation:
x + 4 = 2x + 1
-x -x
4 = 1x + 1
-1 -1
3 = 1x
-- --
1 1
3 = x
Check:
3 + 4 = 2(3) + 1
7 = 6 + 1
7 = 7
Answer:
6i
Step-by-step explanation:
First, I think you mean square root 18 and square root 2. (Let me know if thats right.)
Thus we have square root -36, which is simplified to 6i (we have to use imaginary numbers)
Answer:
Yes he is
Step-by-step explanation:
he is saying 1/4 and 2/8 of the coins are dimes 2/8 simplified is 1/4
let me know if this helps
