1. 3/-1x + 4y
2. 3/-2x + 5y
3. 3x+2y
4. 3x+1y
I think :)
Answer:
84n-27
Step-by-step explanation:
-9(1-10n)-2(3n+9)
-9+90n-6n-18
-27+84n
262
Step-by-step explanation:
Step 1:
To find the nth term of a sequence the basic formula is
Sn = (n*d) + (a-d)
Whereas
Sn= nth Term
n= Term to be found
d= Difference between the terms in the sequence
a= First term in the sequence
Step 2:
Sn = (130*2) +(4-2)
= 260+2
Sn= 262
The nth term for the given problem is 262
I think this is the answer :)
Answer:
D
Step-by-step explanation:
First of, let's make a table for y = cos(x)
(x , y): (0 , 1) (π/2 , 0) (π , -1) (3π/2 , 0) (2π , 1)
Now, making a table for y = 2cos(x) is simple. We just have to multiply all the y-values from the previous table by 2.
(x , y): (0 , 2) (π/2 , 0) (π , -2) (3π/2 , 0) (2π , 2)
Graphing these coordinates, we find that the answer is D.