Answer: y = 2x + 5
Step-by-step explanation:
If the number is x, then:
6x+1= (x-1)^2
Now we just need to simplify it
6x+1=(x-1)*(x-1)
6x+1=x^2-2x+1
8x=x^2
8=x
The number is 8.
To check the answer
6*8+1=7^2
49=49
correct :)
Answer: No she'll need atlease 9 dollars
Step-by-step explanation:
48.95 x 18% is 8.811 which is greater than
Easy peasy, this is a representation of differnce of 2 perfect squares
a^2-b^2=(a-b)(a+b)