X equals 6
hope this helps just plug in the y value int the equation and solve
Answer:
∠2=121°
Step-by-step explanation:
Ok, firts know that supplementary angles add up to 180 degrees, it means that ∠1+∠2=180°, and we are told that ∠1=4y+7 and ∠2=9y+4. <u>We need ∠2</u>.
∠1+∠2=180°
(4y+7)+(9y+4)=180 Solve the equation, finding y.
13y+11 = 180
y = (180-11)/13
y = 169/13
y = 13
Now we know y, ∠2=9(13)+4=121°
Suppose

has two roots, reciprocals of one another. Call them

, with

.
Let's divide through

by

for now. By the fundamental theorem of algebra, we can factorize

as

Expand the RHS to get

so we must have


The first equation says

and

occur in a ratio of the negative sum of the roots of

, while the third equation says that the first and last coefficients

must be the same.
Answer:
the initial statement is
y
∝
x
to convert to an equation multiply by k the constant
of variation
⇒
y
=
k
x
to find k use the given condition
y
=
3
when
x
=
2
y
=
k
x
⇒
k
=
y
x
=
3
2
equation is
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
∣
∣
∣
2
2
y
=
3
2
x
2
2
∣
∣
∣
−−−−−−−−−−−−
when
x
=
8
then
y
=
3
2
1
×
8
4
=
3
×
4
=
12
Step-by-step explanation:
Answer:
b and c
Step-by-step explanation: