7 because 3 is less than five
What do we need to understand
5x+3y=-6 ...(1)
2x-3y=27 ...(2)
We can add equations (1) and (2) to eliminate y . So,
7x+0=21
7x=21
Divide each sides by 21 to isolate x.
So, x= 3
Now plug in x=3 in equation (1) to get the value of y.
So, 5(3)+3y=-6
15 +3y= -6
15+3y-15=-6-15
3y= -21
So, y=-7.
Hence, x=3 and y=7.
Answer:
1st pic: (4,1)
2nd pic: (,2)
3rd pic: (-7.7,-1.3)
4th: second
5th: first option
Step-by-step explanation:
Hope that helps ;)
Answer:
answerr is This is a geometric sequence since there is a common ratio between each term. In this case, multiplying the previous term in the sequence by
1
2
gives the next term. In other words,
a
n
=
a
1
⋅
r
n
−
1
.
Geometric Sequence:
r
=
1
2
This is the form of a geometric sequence.
a
n
=
a
1
r
n
−
1
Substitute in the values of
a
1
=
200
and
r
=
1
2
.
a
n
=
(
200
)
⋅
(
1
2
)
n
−
1
Simplify the expression.
Tap for more steps...
a
n
=
200
⋅
1
2
n
−
1
Combine
200
and
1
2
n
−
1
.
a
n
=
200
2
n
−
1