Question

Will Fan and Medal

what is the missing step

P=46-sqrt(0.042x+16)
28=46-sqrt(0.042x+16
-18=-sqrt(0.042x+16
?
308=0.042x
7333=x

A 324=0.042x+16
B 324=0.042x+256
C 324=sqrt(0.042x+16)
D 308=0.042x+16

Answer 1

I think A.

Answer 2

is the 16 under the sq rt sign ?

Answer 3

because if we square both sides of this equality:
\[-18=\sqrt{0.042x+16}\]
we will get this:
\[324=0.042x+16\]

Answer 4

yes kelliegirl33

Answer 5

michele_laino is right

Answer 6

ok...then Michele is correct

Answer 7

thank you all!

Answer 8

@Dianie thank you!