2 times the cube root of 8x+9=5
divide both sides by 2
cube root of 8x+9=2.5
cube everybody (put to 3rd power)
8x+9=2.5^3
8x+9=15.625
minus 9 both sides
8x=6.625
divie both sides by 8
x=0.828125
He gets 7.80 an hour so you multiply 7.8 by 5.25 hours
I would say 200,00 because if you see it like a roller coaster
down 1234
up 6789
Hope I helped ;-)
Answer:
the common ratio between the triangles is 2.5
Step-by-step explanation:
its easy g
