E^2x - e^x -56 =0
(E^x - 8) (e^x + 7) = 0
E^x - 8 = 0
E^x +7 = 0
X = ln8 or x = 2.07944154...
John dana and douglas painted a room
they have combined effort so
john+dana+douglas=total room
total room=100%=1/1=1
so 1 whole=8/8 so
2/8 is painted by john so they don't need to paint that so
so
2/8+dana+douglas=8/8
subtract 2/8 frm both sides
dana+dogluas=(8-2)/8=6/8
dana+douglas=6/8
dana painted same as douglas so divide by 2
dana=douglas=3/8
so A is 6/8 or 3/4
B is 2/8+3/8+3/8=8/8 or 2/8+dana+douglas=8/8
The answer is b 120 . you add the angles
Answer:
2
Step-by-step explanation:
Answer:
11%
Step-by-step explanation:
To find the percentage of books to total cost, divide 253/2300. You get .11
Move the decimal 2 places to the right and that's the percentage.
11%
hope this was good enough
