2+34=4(x+5)
distribute
2+34 = 4x+20
combine like terms
36 = 4x+20
subtract 20 from each side
16 = 4x
divide by 4
4 = x
Answer: x=4
You can plug them each of them into a graphing calculator into y= and then check the table and compare which one is correct. Hope this helps
Answer:
32.5 feet
Step-by-step explanation:
Since 1 inch = 5 feet, we can muliply the measure of the living room by 5 to get our answer.
6.5 x 5 = 32.5
Expand it
-(x+3)^2-1
-(x+3)(x+3)-1
-1(x^2+3x+3x+9)-1
-1(x^2+6x+9)-1
-x^2-9x-9-1
-x^2-9x-10
f(x)=-x^2-9x-10
Answer:
The sale price of a $90 item after a 50% discount is $45.