Answer:
-1
Step-by-step explanation:
Square both sides of the equation. (That is what is meant by "use the inverse relationship.")
Answer:
140 minutes
Step-by-step explanation:
60/3 is 20.
20*7 is 140 minutes.
Answer:
x=1 and y=-3
Step-by-step explanation:
hope this helped :)
Answer:
[x+6y+2z][x²+(6y)²+(2z)²-6xy-12yz-2xz]
Step-by-step explanation:
x³+216y³+8z³-36xyz
x³+(6y)³+(2z)³-3×6×2×xyz
As we know
a³+b³+c³-3abc=(a+b+c)(a²+b²+c²-ab-bc-ca)
Let a=x
b=6y
c=2z
Now.
[x+6y+2z][(x²+(6y)²+(2z)²-x×6y-6y×2z-x×2z]
[x+6y+2z][x²+(6y)²+(2z)²-6xy-12yz-2xz]