Answer:
x=9
Step-by-step explanation:
81 is the product of -9 & -9. -9-9=-18. Therefore, (x-9)^2=0, and you get that x=9.
Answer:
D. -2
Step-by-step explanation:
The zero of a function is always along the x-axis and in this case that's -2.
Hope this helps :)
Hi there!
4/10 = (4*10)/(10*10) = 40/100
40/100 + 28/100 = 68/100
68/100 = 34/50 = 17/25
Hope this helps!
7) -5-x=0
x=-5
8) 4x-36=0
4(x-9)=0
x-9=0
x=9
Answer:
36
Step-by-step explanation:
To find percent, turn the percent into a fraction (turn 40% into .40) then multiply it by the total number (90).
