An=a1+(n-1)d
A15=6+(15-1)2
A15=6+(14)2
A15=6+28
A15=34
Answer=34
Answer:
Its either 2(A+7=5) or 2(A+7) =5
Answer:
x = 23 , y = 21
Step-by-step explanation:
-6x + 7y = 9 -- (1)
2x - 2y = 4 -- (2)
(2) x 3 : 6x - 6y = 12 -- (2)'
(1) + (2)' : y = 21 -- (3)
Subtituting (3) into (2),
2x - 42 = 4
2x = 46
x = 23 -- (4)
According (3) and (4),
x = 23 , y = 21
If this helps you, please give brainliest!
The prime factorization of 225 = 3^2•5^2
Answer: I think the answer is 4x^2/(4x+3) (x-1)