Surely not;
5a+a-9b-6b
6a-15b
So,
5a-9b+a-6b=6a-15b
It's not equal to 6a-15
Answer:
see explanation
Step-by-step explanation:
The terms form a geometric sequence with n th term
= a 
where a is the first term and r the common ratio
r =
=
= ......
r =
=
= - 2 and a = 3, hence
= 3
← explicit formula
Answer:
58 in^2.
Step-by-step explanation:
This is the sum of the area of 4 small rectangles + the area of the 2 larger rectangles
= 2*4*1 + 2*5*1 + 2*4*5
= 8 + 10 + 40
= 58 in^2
Answer: 9 weeks
Step-by-step explanation: Subtract 126(final amount) by 45(starting amount) and you will get 81(amount of money made of # of weeks). Divide 81 by 9(money made per week) and you will get 9. (# of weeks)