Answer:
a+b=6.....(1)
a-b=2.......(2)
Adding equiation (1)&(2), we get
2a=8
a=4
putting value of a in equiation (1), we get
4+b=6
b=6-4=2
therefore a=4 and b=2
X²-9x+20=0
(x-4)(x-5)=0
x₁=4
x₂=5
Answer: x₁=4, x₂=5
Answer:
D. 1024
Step-by-step explanation:
Each question can be answered 4 ways.
4 * 4 * 4 * 4 * 4 = 1024
D. 1024
8x^2 + 9 - 6x^2 - 2x - 2
= 2x^2 - 2x + 7
answer is B
2x^2 - 2x + 7
Answer:
D for every input there is one output