Recursive formula= a(n)=a(1)(n-1)+d
a(n)= 9(n-1)+2
explicit formula= a(n)= a(1)+(n-1)d
a(n)= 9+(n-1)2
12th row= a(12)=9+(12-1)2
a(12)=9+11(2)
a(12)=9+22
a(12)=31
A) Yes, 6 * .75 = 4.5kilowatts if greater than 89 percent then it is worth the money
B)yes, refer to A
C)yes, refer to A
D)no, refer to A
Answer:
I need a picture or sum so I can help-
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
Swap the sides so that all the terms of the variables are on the left side
x2+3=y
Subtract 3 from both sides
x2=y-3