Answer:
x
=
6
,
y
=
3
Step-by-step explanation:
x−
2
y
=
0
⇒
x
=
2
y
Substitute x=2y into 4x-3y=15, we get :
4
(
2
y
)
−
3
y
=
15
8
y−
3
y
=
15 5
y
=
15
⇒
y
=
3 x
=
2
y
=
2
×
3
=
6
Answer:
that will be 725.10 im not sure
First use the chain rule; take 
. Then
By the power rule,
By the quotient rule,
So
The missing one on the top row is 28. The one missing on the bottom is 4
Answer:
-1
Step-by-step explanation:
It is negative 1 because the signs for the -3 are the same so you keep the -4, change the - to a +, then flip the negative 3.
Hope this helps!
