Jacobezequiellorillaviz
Answered

carlos travelled a distance of 8x^2-2x-1 kilometers at a arte of 4x +1 kph. Write a polynomial that presents the number of hours traveled

Sagot :

Aquinomark0955630190viz

Answer:

2x-1

Step-by-step explanation:

Formula: r=d/t

t=?

derive the formula leaving t alone

t=d/r

t= (8x²-2x-1)/(4x+1)

factor out 8x²-2x-1 to see what we can cancel out

t= [(2x-1)(4x+1)]/(4x+1)

we can cancel 4x+1 leaving (2x-1)

t= (2x-1) hours