First you expand the brackets, so
36 + 6y = 9 - 3y
Then you get all the y's on one side
+ 3y
36 + 9y = 9
- 36
9y = 9
Then you divide by 9 to get y by itself
y = 1
Answer:$66
Step-by-step explanation:
To create the perpendicular of a given slope, you use the negative of the slope's reciprocal.
The negative reciprocal of 3 is -1/3.
Therefore, the new slope would be -1/3.
Answer:8 hours
Step-by-step explanation: There are 250 samples, but there are only actually 200, since 50 need to be on display. That means that they will last 200/25=8 hours.
Answer:
y
=
a
(
x
−
h
)
2
+
k
We want to make the equation like this.
y
=
4
x
2
−
8
x
+
9
=
y
=
4
(
x
2
−
2
x
)
+
9
=
4
(
x
2
−
2
x
+
1
)
−
4
+
9
(when you add one inside the parenthesis, you subtract
4
on the outside, as
a
is
4
).
=
4
(
x
−
1
)
2
+
5
Step-by-step explanation: ni can i get to kno u
