Which equation is not equivalent to the formula m = ca?

c equals m over a
a equals c over m
a equals m over c
m = ac
@iGreen. im stuck

Question

Which equation is not equivalent to the formula m = ca?

 c equals m over a
 a equals c over m
 a equals m over c
 m = ac
@iGreen. im stuck

anonymous · Answer

D you can cross out

anonymous · Answer

D is equivalent to m = ca..

'ca' and 'ac' are the same thing..

anonymous · Answer

So D isn't your answer.

anonymous · Answer

i know i said you can cross it out

anonymous · Answer

You can solve this equation 2 ways. By dividing 'c' or 'a' to both sides.

Let's do 'c'.

Divide 'c' to both sides:

$m = ca$

$\dfrac{m}{c} = a$

So we know that a = m/c..so what's your answer going to be?

anonymous · Answer

c

anonymous · Answer

No..a = m/c, that means it's EQUIVALENT to it, and we're looking for one that ISN'T equivalent.

anonymous · Answer

ohhh so uhm i tihnk its B

anonymous · Answer

Yep, you got it.

Since $a = \dfrac{m}{c}$, it can't equal $\sf \dfrac{c}{m}$.