Answer:
(x+x)^2=4-x
Step-by-step explanation:
I think, don't be mad if I'm wrong!
Answer:
- Variable x in first equation
Step-by-step explanation:
<u>Given system</u>
Variables in this system are x and y.
Isolating a variable means rearranging the equation so that a variable of our interest is on its own in one side of the equal sign.
We see <u>variable x is isolated </u>in the first equation.
In the second equation both of the variables are on the same side so they are not isolated.
Vol=area x Height
length= 3
breadth= X
Height = 2
area must = half of 42 because to get the volume of 42cm cubed, you had to times the area by 2 so
42 devided by 2 is 21 so to find the length you myst do 21 devided by 3 which is 7
so the missing length is 7cm
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