noface220 noface220

23-11-2019
Mathematics

contestada

Solve the equation h = -16t2 + 255 for t, using the quadratic formula to determine the time it takes the rock to reach the canyon floor.

Respuesta :

aliassss0214 aliassss0214

23-11-2019

Answer:

t=4 seconds to reach the cannon floor

Step-by-step explanation:

ax^2+bx+c=0

0=-16t^2+255

-255=-16t^2

t^2=15.9375

t= 3.99

round it up...

t=4 seconds to reach the cannon floor

hope this helps!!! :)

Answer Link

Otras preguntas

What the net is to determine the total surface area

show that 1/12 of the carpet is covered by the rug (photo provided)

is Supercalifragilisticexpialidocious an actual word?

Which of the following transform equals y= x^2 to the graph of y=(x+5)^2? A: a translation 5 units to the right B: a translation 5 units to the left C: a tran

John had 84 dollars, and his brother Fred owed 12 dollars to his friend. John gave his brother some money. Fred paid his debt and now both of them has the same

triple the difference of z and 10

what is 0.5357142857 in degrees

Pls help this makes no sense

what does the Pythagorean theorem say about the relationship between x and y?

__________ is a gesture of respect shown by the president to senators from the home state where a judicial vacancy occurs.