
subtract the numbers:


subtract 9 from both sides

simplify

divide both sides by 6


decimal

Hope this helps :)
Step-by-step explanation:
8x-11=629
8x=629+11
8x=640
x=80
The coefficient of b is h/2. Multiply the equation by the reciprocal of that.
(2/h)A = (2/h)·(h/2)·b
b = 2A/h . . . . . simplify
Answer:
0.491
Step-by-step explanation:
4 significant figures. All figures are significant because the zeros are in between two significant digits