Felicia has 96 coins because 30+20+30= 80.And 80+6=86. 86+10=96.
I hope I helped! :)
time 2nd 5/5 it become 35/5x-20
2/5x-20+35/5x-20
=37/5x-20
Answer:
x=-1.30068.......
Step-by-step explanation:
x( 3x^2 - 2) = -4
Distribute
3x^3 - 2x = -4
Add 4 to each side
3x^3 - 2x +4 = 0
Plot using a graphing calculator
x=-1.30068.......
U^2 - u -30
Hope it helps.