If the sol'ns are -9 and 9, then we can use this to form our eq'n:
(x - 9)(x + 9) = 0
x^2 - 81 = 0
so...
x^2 + z - 103 = x^2 -81
z - 103 = -81
z = -81 + 103
z = 22
Answer:
piggy back ride yay
Step-by-step explanation:
You have 30 more cds than your friend
So it would be your friends CDs + 11 = your CDs, which is 30
n + 11 = 30
Answer:
$484.97.
Step-by-step explanation:
For a minimum amount of wall/fencing the garden has to be a square.
That would make each side of the garden = √48 dollars.
So the smallest amount would be √48 * 3 * 20 +√48 * 10
= $484.97.
6. Just type into a calculator 2/3 the \n hit the multiply button then put 9. Then your answer will come out 6