Answer: 4 (assuming the number 4 at the end of the equation IS NOT under the radical
Step-by-step explanation:
Plug 21 in for x:
2squareroot (21-5) + 4
2squareroot 16 + 4
2(4) + 4= 12
Answer:
x=3
Step-by-step explanation:
firstly this equation isn't possible without it equaling to something. I set it equal to zero and got x=3.
EX:
(x-3)^(3)=0
Step-by-step explanation:
56,000÷7=8000
56,000÷70=800
56,000÷700=80
56,000÷7000=8